| Pinaceae | Abies grandis | Sapin de Vancouver | Reuzenzilverden | | |
| Geometridae | Abraxas sylvata | Zérène de l'orme | Porceleinvlinder | | |
| Noctuidae | Abrostola triplasia Abrostola trigemina | Noctuelle de l'Ortie | Donker brandnetelkapje | Dark Spectacle | Dunkelgraue Nessel-Höckereule |
| Eriophyidae | Acalitus brevitarsus Aceria brevitarsa brevitarsa | Galle des plaques feutrées de l’aulne | | | |
| Eriophyidae | Acalitus stenaspis Aceria stenaspis | | | | |
| Acanthosomatidae | Acanthosoma haemorrhoidale | Punaise des bois, punaise à bouclier | Meidoornschildwants | Hawthorn Shield Bug | Stachelwanze |
| Accipitridae | Accipiter nisus | Epervier d'europe | Sperwer | Eurasian Sparrowhawk | |
| Aceraceae | Acer campestre | Erable champêtre | Spaanse aak | | |
| Aceraceae | Acer platanoides | Erable plane | Noorse esdoorn | | |
| Aceraceae | Acer pseudoplatanus | Erable sycomore | Gewone esdoorn | | |
| Aceraceae | Acer saccharum | Erable argenté | Witte esdoorn | | |
| Eriophyidae | Aceria aceriscampestris Aceria macrorhyncha cephalonea | | | | |
| Eriophyidae | Aceria erinea Eriophyes erineus | Phytopte du noyer | Okkernootviltmijten | Walnut blister mite | |
| Eriophyidae | Aceria fraxinivora | Acarien du Frêne | Esbloemklompjes | | |
| Eriophyidae | Aceria macrochela Aceria macrochela macrochela | | Spaanse puistjesgal | | |
| Eriophyidae | Aceria macrorhyncha | Galle de l'Erable | Rode puistjesgal | | |
| Eriophyidae | Aceria pseudoplatani Eriophyes macrochelus | | Haarmatjesgal, Bruine viltgal | Pouch gall, Felt gall | |
| Eriophyidae | Aceria tenellus | | | | |
| Eriophyidae | Aceria tristriata | | | | |
| Eriophyidae | Aceria ulmicola Eriophyes ulmicola | | Iepenpuistje | | |
| Cicadellidae | Acericerus sp | | | | |
| Theridiidae | Achaearanea lunata | | Prachtkogelspin | | |
| Theridiidae | Achaearanea sp | | | | |
| Asteraceae | Achillea millefollium | Achillée millefeuille | Gewoon duizendblad | | |
| Pyralidae | Achroia grisella | Petite fausse teigne | | | |
| Tortricidae | Acleris forsskaleana | | | | |
| Sylviidae | Acrocephalus palustris | Rousserolle verderolle | Bosrietzanger | | |
| Sylviidae | Acrocephalus scirpaceus | Rousserolle effarvatte | Kleine karekiet | | |
| Acrolepiidae | Acrolepia autumnitella | | | | |
| Noctuidae | Acronicta sp | | Drietand, Psi-uil | Grey Dagger , Dark Dagger | |
| Staphylinidae | Acrotona aterrima | | | | |
| Staphylinidae | Acrotona muscorum | | | | |
| Staphylinidae | Acrotona obfuscata | | | | |
| Staphylinidae | Acrotona parens | | | | |
| Staphylinidae | Acrotona pygmaea | | | | |
| Ptiliidae | Acrotrichis sp | | | | |
| Scolopacidae | Actitis hypoleucos | Chevalier guignette | Oeverloper | | |
| Eriophyidae | Aculus tetanothrix Vasates tetranothrix | | | | |
| Coccinellidae | Adalia bipunctata | Adalie à deux points | 2-stippeliglieveheersbeestje | | |
| Coccinellidae | Adalia decempunctata | Adalie à dix points | 10-stippeliglieveheersbeestje | 10 spot ladybird | Zehnpunkt |
| Adelidae | Adela reaumurella Adela viridella | Adèle verte | Langsprietmot | | |
| Miridae | Adelphocoris lineolatus | Capside des légumineuses | | | Gemeine Zierwanze |
| Miridae | Adelphocoris quadripunctatus | | | | |
| Miridae | Adelphocoris seticornis | | | | Gelbsaum-Zierwanze |
| Adoxaceae | Adoxa moschatellina | Moscatelline | Muskuskruid | | |
| Elateridae | Adrastus sp | | | | |
| Aegithalidae | Aegithalos caudatus | Mésange à longue queue | Staartmees | | |
| Oxychilidae | Aegopinella nitidula | | Bruine Glansslak | | |
| Apiaceae | Aegopodium podagraria | Herbe aux goutteux, Podagraire | Zevenblad | | |
| Aeolothripidae | Aeolothrips fasciatus Coleothrips trifasciatus | | | Banded thrips | |
| Hippocastanaceae | Aesculus hippocastanum | Marronnier commun | Witte paardekastanje | | |
| Aeschnidae | Aeshna cyanea | Aeshne bleue | Blauwe glazenmaker | Southern Hawker | Blaugrüne Mosaikjungfer |
| Aeschnidae | Aeshna mixta | Aeshne mixte | Paardenbijter | | |
| Apiaceae | Aethusa cynapium cynapium | Petite Ciguë | Hondspeterselie | | |
| Dytiscidae | Agabus sturmii | | | | |
| Cerambycidae | Agapanthia villosoviridescens | Saperde | Distelbok | | |
| Tortricidae | Agapeta hamana | Euxhantie du chardon | | | |
| Agaricus augustus | Agaric impérial | Reuzenchampignon | | |
| Agaricus bisporus | Champignon de Paris | Gekweekte champignon | | |
| Agaricus bitorquis | Psalliote, Agaric des trottoirs | Straatchampignon | | |
| Agaricus campestris | Rosé des prés, Agaric champêtre | Weidechampignon | | |
| Agaricus praeclaresquamosus | Agaric pintade | Parelhoenchampignon | | |
| Chrysomelidae | Agelastica alni | Chrysomèle de l'aulne | Elzenhaantje | Alder Leaf Beetle | |
| Agelenidae | Agelena labyrinthica | | Gewone labyrinthspin | | |
| Nymphalidae | Aglais urticae | Petite Tortue | Kleine Vos | | Kleiner Fuchs |
| Tenthredinidae | Aglaostigma fulvipes | | | | |
| Miridae | Agnocoris reclairei | | | | |
| Carabidae | Agonum thoreyi | | | | |
| Buprestidae | Agrilus sinuatus Buprestis, A. chryseis, mendax | Bupreste du poirier | Perenprachtkever, Perenringworm | Hawthorn Jewel Beetle | Birnprachtkäfer, Blitzwurm |
| Rosaceae | Agrimonia eupatoria | Aigremoine eupatoire | Gewone Agrimonie | | |
| Rosaceae | Agrimonia x wirtgenii | Hybride de Aigremoine eupatoire et A.odorante | Hybride van Gewone Agrimonie en Welriekende A. | | |
| Geometridae | Agriopis sp Agriopis aprilina | Hibernie | | | |
| Crambidae | Agriphila geniculea Alisa | | | | |
| Crambidae | Agriphila straminella Alisa, A. culmella | | | | |
| Crambidae | Agriphila tristella Alisa | Crambus des tiges | | | |
| Noctuidae | Agrochola circellaris A. ferruginea, Sunira | La fauvette | Bruine Herfstuil | The Brick | |
| Agrocybe praecox | Agrocybe précoce | Vroege Leemhoed | | |
| Agromyzidae | Agromyza abiens | | | | |
| Agromyzidae | Agromyza anthracina | Mineuse de l'Ortie | | | |
| Agromyzidae | Agromyza ferruginosa | | | | |
| Agromyzidae | Agromyza igniceps | | | | |
| Agromyzidae | Agromyza pseudoreptans | | | | |
| Caryophyllaceae | Agrostemma githago | Nielle des blés | Bolderik | | |
| Poaceae | Agrostis canina | Agrostis des chiens | Moerasstruisgras | | |
| Poaceae | Agrostis capillaris | Agrostis capillaire | Gewoon struisgras | | |
| Poaceae | Agrostis gigantea | Agrostis géante | Hoogstruisgras | | |
| Poaceae | Agrostis stolonifera | Agrostis stolonifère | Fioringras | | |
| Noctuidae | Agrotis exclamationis | Point d'exclamation | Gewone Worteluil | | |
| Noctuidae | Agrotis segetum Powellinia | Moissonneuse | Gewone Velduil | Turnip Moth | |
| Elateridae | Agrypnus murinus | Lacon souris | Muisgrijze Kniptor | Mousegrey click beetle | Mausgrauer Schnellkäfer |
| Anatidae | Aix galericulata | Canard mandarin | Mandarijneend | | |
| Lamiaceae | Ajuga reptans | Bugle rampante | Kruipend zenegroen | | |
| Alaudidae | Alauda arvensis | Alouette des champs | Veldleeuwerik | | |
| Albugo candida | Rouille blanche des Brassicacées | Witte roest | White blister rust | |
| Alcedinidae | Alcedo atthis | Martin-pêcheur | Ijsvogel | | |
| Rosaceae | Alchemilla sp | Alchémille | Vrouwenmantel | | |
| Staphylinidae | Aleochara bipustulata | | | | |
| Staphylinidae | Aleochara lanuginosa | | | | |
| Aleyrodidae | Aleyrodes proletella | Aleurode du chou | Koolwittevlieg | Cabbage whitefly | |
| Alismataceae | Alisma plantago-aquatica | Plantain d'eau commun | Grote waterweegbree | | |
| Tenthredinidae | Allantus sp | | | | |
| Brassicaceae | Alliaria petiolata | Alliaire | Look-zonder-look | | |
| Alliaceae | Allium cepa | Oignon | Ui, Ajuin | | |
| Alliaceae | Allium fistulosum | Ciboule | Grove bieslook, Stengelajuin, Pijplook | Welsh onion | |
| Alliaceae | Allium porrum | Poireau | Prei | Leek | |
| Alliaceae | Allium sativum | Ail | Look | | |
| Alliaceae | Allium scalonicum | Echalotte | Echalotte | | |
| Alliaceae | Allium schoenoprasum | Ciboulette | Bieslook | | |
| Amaryllidaceae | Allium sphaerocephalon | Ail à tête-ronde | Kogellook | | |
| Alliaceae | Allium ursinum | Ail des ours | Daslook | | |
| Alliaceae | Allium vineale | Ail des vignes | Kraailook | | |
| Cicadellidae | Allygus mixtus | | | | |
| Cicadellidae | Allygus modestus | | | | |
| Cicadellidae | Alnetoidia alneti | | | | |
| Alnicola sp | | Zompzwam | | |
| Betulaceae | Alnus glutinosa | Aulne noir, glutineux | Zwarte els | | |
| Betulaceae | Alnus incana | Aulne blanc | Witte els | | |
| Staphylinidae | Aloconota gregaria | | | | |
| Staphylinidae | Aloconota sulcifrons | | | | |
| Poaceae | Alopecurus geniculatus | Vulpin genouillé | Geknikte vosemstaart | | |
| Poaceae | Alopecurus pratensis | Vulpin des prés | Grote vossenstaart | | |
| Anatidae | Alopochen aegyptiacus | Ouette d'égypte | Nijlgans | | |
| Malvaceae | Althaea officinalis | Guimauve oficinale | Echte Heemst | | |
| Malvaceae | Althaea rosea | Rose trémière | Stokroos | | |
| Chrysomelidae | Altica brevicollis | | | | |
| Chrysomelidae | Altica sp | Altise | | | |
| Amanita vaginata | Amanite vaginée, Grisette | Grijze sklanke amaniet | | |
| Carabidae | Amara aulica | | | | Prächtiger Kanalkäfer |
| Carabidae | Amara bifrons | | | | |
| Amaurobiidae | Amaurobius fenestralis | | Huiskaardespin | Window spider | Fensterspinne |
| Agromyzidae | Amauromyza flavifrons Dizygomyza, Phytobia | | | | |
| Pterophoridae | Amblyptilia acanthadactyla A. calaminthae | | | | |
| Amblystegium humile | | Pluisdraadmos | | |
| Amblystegium serpens | | Gewoon pluisdraadmos | | |
| Ichneumonidae | Amblyteles armatorius A. bidentorius | | | | |
| Asteraceae | Ambrosia artemisiifolia | Ambroisie | Alsemambrosia | | |
| Staphylinidae | Amischa analis | | | | |
| Staphylinidae | Amischa forcipata | | | | |
| Staphylinidae | Amischa minima | | | | |
| Staphylinidae | Amischa soror | | | | |
| Scarabaeidae | Amphimallon solstitialis | Hanneton de la Saint-Jean | Junikever | | Junikäfer |
| Noctuidae | Amphipyra pyramidea | Noctuelle du Noyer, La pyramide, Noctuelle cuivrée | Piramidevlinder | Copper Underwing | |
| Hydrophilidae | Anacaena lutescens | | | | |
| Primulaceae | Anagallis arvensis | Mouron rouge | Rood guichelheil | | |
| Crambidae | Anania verbascalis | | | | |
| Anatidae | Anas bahamensis | Canard des Bahamas | Bahamapijlstaart | | |
| Anatidae | Anas crecca | Sarcelle d'hiver | Wintertaling | | |
| Anatidae | Anas platyrhynchos | Canard colvert | Wilde eend | | |
| Anatidae | Anas sp | Canard domestique, Canard cayuga | Soepeend | | |
| Syrphidae | Anasimyia lineata | | Snuit-waterzwever | | |
| Scraptiidae | Anaspis frontalis | | | | |
| Scraptiidae | Anaspis maculata | | | | Gefleckter Scheinstachelkäfer |
| Aeschnidae | Anax imperator | Anax empereur | Grote Keizerlibel | | |
| Carabidae | Anchomenus dorsalis | Anchomène des champs | | | |
| Vespidae | Ancistrocerus sp | Eumène | Muurwesp | | Lehmwespen |
| Andrenidae | Andrena florea | | Heggerankbij | | |
| Andrenidae | Andrena fulva Andrena armata | Andrène rousse | Vosje | Tawny mining bee | Goldbiene |
| Andrenidae | Andrena minutula | | Gewone dwergzandbij | | |
| Andrenidae | Andrena nitida | | Viltvlekzandbij | | |
| Andrenidae | Andrena sp | Andrène | Zandbij | | |
| Andrenidae | Andrena vaga | Andrène vagabonde | Grijze zandbij | | |
| Cynipidae | Andricus anthracina Andricus ostrea(us) | | Oestergalletje | Oyster-gall | |
| Cynipidae | Andricus foecundatrix | | | | |
| Cynipidae | Andricus kollari | Noix de galle | | | |
| Cynipidae | Andricus lignicola | | | Cola nut gall | |
| Trichoniscidae | Androniscus dentiger | Cloporte rosâtre | Juweeltje | Pink woodlouse | |
| Ranunculaceae | Anemone blanda | Anémone blanda | Anemoon blanda | | |
| Ranunculaceae | Anemone coronaria | Anémone de Caen | Anemoon 'Enkele van Caen' | | |
| Ranunculaceae | Anemone nemorosa | Anémone sylvie | Bosanemoon | | |
| Apiaceae | Angelica sylvestris | Angélique sauvage | Gewone engelwortel | | |
| Anguillidae | Anguilla anguilla | Anguille | Europese palling | | |
| Coccinellidae | Anisosticta novemdecimpunctata | Coccinelle des roseaux | Negentienpuntlieveheersbeestje | | |
| Planorbidae | Anisus vortex | | | | |
| Unionidae | Anodonta anatina | | Vijvermossel | | |
| Staphylinidae | Anomognathus cuspidatus | | | | |
| Tephritidae | Anomoia purmunda | | | | |
| Staphylinidae | Anopleta corvina | | | | |
| Cicadellidae | Anoscopus sp | | | | |
| Staphylinidae | Anotylus complanatus | | | | |
| Staphylinidae | Anotylus rugosus | | | | |
| Staphylinidae | Anotylus sculpturatus | | | | |
| Staphylinidae | Anotylus tetracarinatus | | | | |
| Anatidae | Anser anser | Oie cendrée | Grauwe gans | | |
| Buprestidae | Anthaxia nitidula | | Bloemenprachtkever | | Zierlicher Prachtkäfer |
| Asteraceae | Anthemis arvensis | Fausse camomille | Valse kamille | | |
| Megachilidae | Anthidium manicatum | Anthidie à manchettes | Grote Wolbij | | Wollbiene |
| Megachilidae | Anthidium sp | | Wolharsbij | | |
| Staphylinidae | Anthobium atrocephalum | | | | |
| Staphylinidae | Anthobium unicolor | | | | |
| Pieridae | Anthocharis cardamines | Aurore | Oranjetipje | | Aurorafalter |
| Malachiidae | Anthocomus fasciatus | | Dubbelgevlekte basterdweekschild | | Gebaenderter Warzenkaefer |
| Malachiidae | Anthocomus rufus Anthocomus coccineus | Malachie rousse | | | |
| Anthocoridae | Anthocoris amplicollis | | | | |
| Anthocoridae | Anthocoris nemorum | La Punaise des peupliers | Gewone bloemenwants | Common flower bug | |
| Anthocoridae | Anthocoris simulans | | | | |
| Anthomyiidae | Anthomyia pluvialis Chelisia, Craspedochoeta | Anthomyie pluviale | Regenvlieg | | Blumenfliege |
| Curculionidae | Anthonomus pomorum | Anthonome du pommier | Appelbloesemkever | Apple blossom weevil | Apfelblütenstecher |
| Curculionidae | Anthonomus rubi | Anthonome du framboisier | | | |
| Choreutidae | Anthophila fabriciana | | | | |
| Apidae | Anthophora plumipes | | Gewone Sachembij | Hairy Footed Flower Bee | Pelzbiene |
| Poaceae | Anthoxantum odoratum | Flouve odorante | Gewoon reukgras | | |
| Bombyliidae | Anthrax anthrax | | | | |
| Dermestidae | Anthrenus pimpinellae | | Museumkevertje | Birdnest Carpet Beetle | |
| Dermestidae | Anthrenus verbasci | Anthréne des tapis | Gewone Tapijtkever | | Wollkrautblütenkäfer |
| Apiaceae | Anthriscus sylvestris | Cerfeuil sauvage | Fluitenkruid | | |
| Motacillidae | Anthus pratensis | Pipit farlouse | Graspieper | | |
| Motacillidae | Anthus trivialis | Pipit des arbres | Boompieper | | |
| Anyphaenidae | Anyphaena accentuata | | Struikspin | | Zartspinne |
| Noctuidae | Apamea monoglypha | Monoglyphe | Graswortelvlinder | | |
| Noctuidae | Apamea sordens Noctua basilinea | la Noctuelle basilaire | Kweekgrasuil | Rustic Shoulder-knot | |
| Poaceae | Apera spica-venti | Jouet du vent | Grote windhalm | | |
| Psyllidae | Aphalara freji | | | | |
| Rosaceae | Aphanes arvensis | Aphane des champs | Akkerleeuwklauw | | Acker-Sinau |
| Nymphalidae | Aphantopus hyperantus | Tristan | Koevinkje | | Brauner Waldvogel |
| Coccinellidae | Aphidecta obliterata | Coccinelle brune, Coccinelle de l'épicéa | Bruin Lieveheersbeestje | Larch ladybird | Nadelbaum-Marienkäfer |
| Aphididae | Aphis fabae | | | | |
| Aphididae | Aphis schneideri | Puceron vert du groseillier | | | Grüne Johannisbeerblattlaus |
| Pyralidae | Aphomia sociella A. colonella , A. eritrella | | Hommelmot | Bee Moth | Hummelnestmotte |
| Cicadellidae | Aphrodes sp | | | | |
| Cercopidae | Aphrophora alni | | | Alder spittlebug | Erlenschaumzikade |
| Cercopidae | Aphrophora salicina | Aphrophore du saule | Seljeskumsikade, Wilgenschuimcicade | Willow froghopper | Weidenschaumzikade |
| Apionidae | Apion frumentarium A. miniatum | | Menierode spitssnuittor | Red apion weevil | Mennigrotes spitzmäuschen |
| Apidae | Apis mellifera | Abeille domestique | Honingbij | | |
| Apiaceae | Apium graveolens cv dulce | Céleri vert | Selderij, Groene selder | | |
| Apiaceae | Apium nodiflorum | Ache faux-cresson | Groot moerasscherm | | |
| Geometridae | Aplocera plagiata | Triple Raie | Streepblokspanner | Treble-bar | |
| Muridae | Apodemus sylvaticus | Mulot sylvestre | Bosmuis | | |
| Attelabidae | Apoderus coryli | Apodère du noisetier | Hazelaarbladrolkever | Hazel Leaf Roller | Haselblattroller |
| Miridae | Apolygus lucorum | | | | |
| Apodidae | Apus apus | Martinet noir | Gierzwaluw | | |
| Ranunculaceae | Aquilegia vulgaris cv | Ancolie vulgaire | Wilde akelei | | |
| Brassicaceae | Arabidopsis thaliana | Arabette de Thalius | Zandraket | | |
| Araneidae | Araneus diadematus | Epeire diadème | Kruisspin | Cross spider | Kreuzspinne |
| Araneidae | Araneus quadratus | Epeire carrée | Viervlekwielwebspin | | Vierfleck-Kreuzspinne |
| Araneidae | Araniella cucurbitina | Épeire-concombre | gewone komkommerspin | | Kürbisspinne |
| Nymphalidae | Araschnia levana | Carte géographique | Landkaartje | | |
| Geometridae | Archiearis parthenias | Intruse | Oranje berkenspanner | | |
| Arctiidae | Arctia caja | Ecaille martre | Grote Beer | | |
| Asteraceae | Arctium minus | Petite bardane | Kleine klit | | |
| Asteraceae | Arctium minus | Petite bardane | Middelste klit | | |
| Ardeidae | Ardea cinerea | Héron cendré | Blauwe reiger | | |
| Caryophyllaceae | Arenaria serpyllifolia | Sabline à feuilles de serpolet | Gewone zandmuur | | |
| Argidae | Arge cyanocrocea A. syriaca | | Bramenbladwesp | Bramble Sawfly | Himbeerbuersthornblattwespe |
| Argidae | Arge pagana | Tenthrède du rosier | Rozenbladwesp | Rose sawfly | |
| Argidae | Arge sp | | | | |
| Araneidae | Argiope bruennichi | Argiope fasciée | Tijgerspin | | Wespenspinne |
| Argulidae | Argulus foliaceus | Pou du poisson | Karperluis | | |
| Yponomeutidae | Argyresthia pruniella A. ephippella | Teigne des fleurs de cerisier | Kersenbloesemmot | Cherry Fruit Moth, Cherry blossom tineid | Kirschblütenmotte |
| Tortricidae | Argyrotaenia ljungiana | | | Grape tortrix | |
| Arionidae | Arion distinctus | | Donkere Wegslak | | |
| Arionidae | Arion hortensis | | Zwarte Wegslak | | |
| Arionidae | Arion lusitanicus | | Spaanse Wegslak | | |
| Pentatomidae | Arma custos | | Snuitkeverwants | | |
| Armadillidiidae | Armadillidium vulgare | Armadille vulgaire | Oprolpissebed | | |
| Armillaria lutea | Armillaire bulbeuse | Knolhoningzwam | | |
| Armillaria mellea | Armillaire couleur de miel | Echte honingzwam | | |
| Brassicaceae | Armoracia rusticana | Raifort | Mierikswortel | | |
| Cerambycidae | Aromia moschata | Aromie musquée, Capricorne musqué | Muskusboktor | Musk Beetle | Moschusbock |
| Poaceae | Arrhenaterum elatius | Fromental | Glanshaver | | |
| Asteraceae | Artemisia abrotanum | Aurone | Citroenkruid | | |
| Asteraceae | Artemisia absinthium | Absinthe commune | Absintalsem | | |
| Asteraceae | Artemisia dracunculus sativa | Estragon français | Franse dragon | | |
| Asteraceae | Artemisia vulgaris | Armoise commune | Bijvoet | | |
| Cicadellidae | Arthaldeus pascuellus | | | | |
| Araceae | Arum maculatum | Gouet tacheté | Gevlekte aronskelk | | |
| Muridae | Arvicola terrestris | Campagnol terrestre | Woelrat | Water vole | |
| Ascocoryne sarcoides | | Paarse knoopzwam | | |
| Ascocoryne sp | | Knoopzwam | | |
| Asellidae | Asellus aquaticus | Aselle aquatique | Waterpissebed | | Wasserassel |
| Liliaceae | Asparagus officinalis | Asperge | Asperge | | |
| Rubiaceae | Asperula odorata | Aspérule odorante | Lievevrouwbedstro | | |
| Apionidae | Aspidapion radiolus | | | | |
| Aspleniaceae | Asplenium ruta-muraria | Doradille rue-de-muraille | Muurvaren | | |
| Aspleniaceae | Asplenium scolopendrium | Langue-de-cerf, Scolopendre | Tongvaren | | |
| Sphecidae | Astata sp | Astate | Wantsendoder | | |
| Asteraceae | Aster novae-angliae | Aster de la Nouvelle-Angleterre | Nieuwe-Engelse aster | | |
| Asteraceae | Aster novi-belgii | Aster de Virginie | Nieuwe-Nederlandse aster | | |
| Fabaceae | Astragalus glycyphyllos | Réglisse sauvage | Wilde hokjespeul | | |
| Yponomeutidae | Atemelia torquatella | Mineuse de l'Orme | | | |
| Tenthredinidae | Athalia rosae Athalia colibri | Tenthrède de la rave | Knollenbladwesp | | Rübsenblattwespe |
| Tenthredinidae | Athalia sp | | | | |
| Strigidae | Athene noctua | Chouette chevêche | Steenuil | | |
| Staphylinidae | Atheta aeneicollis | | | | |
| Staphylinidae | Atheta aquatica | | | | |
| Staphylinidae | Atheta britanniae | | | | |
| Staphylinidae | Atheta castanoptera | | | | |
| Staphylinidae | Atheta coriaria | | | | |
| Staphylinidae | Atheta crassicornis | | | | |
| Staphylinidae | Atheta laticollis | | | | |
| Staphylinidae | Atheta paracrassicornis | | | | |
| Staphylinidae | Atheta ravilla | | | | |
| Staphylinidae | Atheta triangulum | | | | |
| Staphylinidae | Atheta xanthopus | | | | |
| Elateridae | Athous haemorrhoidalis | Taupin | Kniptor | | Schnellkäfer |
| Athyriaceae | Athyrium filix-femina | Fougère femelle | Wijfjesvaren | | |
| Atrichum undulatum | | Gewoon rimpelmos | | |
| Chenopodiaceae | Atriplex hortensis | Arroche des jardins | Tuinmelde | | |
| Chenopodiaceae | Atriplex patula | Arroche hastée | Uitstaande melde | | |
| Chenopodiaceae | Atriplex prostrata | Arroche hastée | Spiesmelde | | |
| Aulacomnium androgynum | | Gewoon knopjesmos | | |
| Aulicidae | Aulacus striatus | | | | |
| Pompilidae | Auplopus carbonarius | Agénie charbonnière | Glasvleugelspinnendoder | | Tönnchenwespe |
| Auricularia mesenterica | Auriculaire mésentérique | Viltig Judasoor | | |
| Auriculariopsis ampla | | Vals judasoor | | |
| Staphylinidae | Autalia impressa | | | | |
| Staphylinidae | Autalia rivularis | | | | |
| Noctuidae | Autographa gamma | Lambda | Gamma-Uil | | |
| Poaceae | Avena fatua | Avoine folle | Oot | | |
| Poaceae | Avena sativa | Avoine | Haver | | |
| Malachiidae | Axinotarsus marginalis | | | | |
| Carabidae | Badister bullatus Badister bipustulatus | | | | |
| Carabidae | Badister lacertosus | | | | |
| Carabidae | Badister sodalis | | | | |
| Baetidae | Baetidae sp | Ephémère | | | |
| Cicadellidae | Balclutha sp | | | | |
| Clausiliidae | Balea biplicata | | Grote Regenslak | | Gemeine Schließmundschnecke |
| Lamiaceae | Ballota nigra | Ballote fètide | Stinkende ballote | | |
| Brassicaceae | Barbarea verna | Barbarée printanière | Vroeg barbarakruid | | Frühes barbarakraut |
| Brassicaceae | Barbarea vulgaris | Barbarée commune | Gewoon barbarakruid | | |
| Barbula convoluta | | Gewoon smaragdsteeltje | | |
| Barbula unguiculata | | Klei-smaragdsteeltje | | |
| Planorbidae | Bathyomphalus contortus | Planorbe contourné | | | Riementellerschnecke |
| Bedelliidae | Bedellia somnulentella B. convolvulella | | | | |
| Asteraceae | Bellis perennis | Pâquerette | Madeliefje | | |
| Carabidae | Bembidion tetracolum | | | | |
| Stratiomyidae | Beris chalybata | | | | |
| Stratiomyidae | Beris clavipes | | | | |
| Brassicaceae | Berteroa incana | Alysson blanc | Grijskruid | | |
| Apiaceae | Berula erecta | Petite berle | Kleine watereppe | | |
| Berytidae | Berytinus sp | | | | |
| Staphylinidae | Bessobia divisa | | | | |
| Staphylinidae | Bessobia occulta | | | | |
| Betulaceae | Betula pendula | Bouleau verruqueux | Ruwe berk | | |
| Betulaceae | Betula pubescens Betula alba | Bouleau pubescent | Zachte berk | | Moor-Birke |
| Bibionidae | Bibio marci | Mouche de Saint Marc | Rauwvlieg | Hawthorn Fly | Märzfliege |
| Asteraceae | Bidens tripartita | Bident triparti | Veerdelig tandzand | | |
| Cynipidae | Biorhiza pallida | Galle | Aardappelgalwesp | Oak Apple Gall Wasp | Kartoffelgallwespe |
| Geometridae | Biston betularia | Phalène du bouleau | Peper-En-Zoutvlinder | | |
| Bithyniidae | Bithynia leachii | | | | |
| Bithyniidae | Bithynia tentaculata | | | | |
| Bjerkandera adusta | Polypore brûlé | Grijze buisjeszwam | | |
| Blaniulidae | Blaniulus guttulatus | Blaniule mouchetée | Roodtip | Spotted snake millipede | Getüpfelter Tausendfuß |
| Staphylinidae | Bledius gallicus | | | | |
| Miridae | Blepharidopterus angulatus | | Zwarte kniewants | | |
| Bolbitius titubans titubans B.vitellinus (Pers.:Fr) Fr. | Bolbitie vitelline | Dooiergele mestzwam | | |
| Apidae | Bombus bohemicus Bombus bohemicus | Bourdon | Tweekleurige koekoekshommel | | Umherstreifende Kuckuckshummel |
| Apidae | Bombus hypnorum | Bourdon des mousses | Boomhommel | | |
| Apidae | Bombus lapidarius | Bourdon des pierres | Steenhommel | | |
| Apidae | Bombus lucorum | Bourdon des bois | Veldhommel | | |
| Apidae | Bombus pascuorum | Bourdon des champs | Akkerhommel | | Ackerhummel |
| Apidae | Bombus pascuorum | Bourdon des champs | Akkerhommel | | Ackerhummel |
| Apidae | Bombus pratorum | Bourdon des prés | Weidehommel | | |
| Apidae | Bombus terrestris | Bourdon terrestre | Aardhommel | | |
| Bombycillidae | Bombycilla garrulus | Jaseur boréal | Pestvogel | Waxtale | |
| Bombyliidae | Bombylius major | Bombyle | Grote wolzwever, Hommelvlieg | Bee fly | |
| Boraginaceae | Borago officinalis | Bourrache | Bernagie | | |
| Aphididae | Brachycaudus tragopogonis | | | | |
| Poaceae | Brachypodium sylvaticum | Brachypode des bois | Boskortsteel | | |
| Brachythecium albicans | | Bleek dikkopmos | | |
| Brachythecium rivulare | | Beekdikkopmos | | |
| Brachythecium rutabulum | | Gewoon dikkopmos | | |
| Brachythecium velutinum | | Zacht dikkopmos | | |
| Braconidae | Braconidae sp | | | | |
| Anatidae | Branta canadensis | Bernache du Canada | Canadese gans | | |
| Brassicaceae | Brassica nigra | Moutarde noire | Zwarte mosterd | | |
| Brassicaceae | Brassica oleracea cv | Chou sauvage | Wilde kool | | |
| Brassicaceae | Brassica rapa | Navette d'été | Raapzaad | | |
| Brassicaceae | Brassica rapa | Navet potager | Witte raap | | |
| Chrysomelidae | Bromius obscurus Adoxus, Eumolpus, japonicus | Eumolpe de la vigne, Gribouri, Écrivain | | Western grape rootworm | Weinlaub-Fallkäfer |
| Poaceae | Bromus carinatus | Brome caréné | Gekielde dravik | | |
| Poaceae | Bromus hordeaceus | Brome mou | Zachte dravik | | |
| Poaceae | Bromus sterilis | Brome stérile | Ijle dravik | | |
| Poaceae | Bromus tectorum | Brome des toits | Zwenkdravig | | |
| Chrysomelidae | Bruchidius ater | | | | |
| Chrysomelidae | Bruchus atomarius | Bruche | | | |
| Chrysomelidae | Bruchus sp | Bruche | Erwtenkever | Pea weevil | Erbsenkäfer |
| Cucurbitaceae | Bryonia dioica | Bryone commune | Heggenrank | | |
| Bryum argenteum | | Zilvermos | | |
| Bryum barnesii | | Geel korreltjes-knikmos | | |
| Bryum capillare | | Gedraaid knikmos | | |
| Bryum dichotomum Bryum bicolor | | Grof korreltjes-knikmos | | |
| Bryum rubens | | Rood knolletjes-knikmos | | |
| Buddlejaceae | Buddleja davidii | Buddléa, Arbre aux papillons | Vlinderstruik | | |
| Buellia punctata | | Vliegenstrontjesmos | | |
| Bufonidae | Bufo bufo | Crapaud commun | Gewone pad | | |
| Accipitridae | Buteo buteo | Buse variable | Buizerd | | |
| Buxaceae | Buxus sempervirens | Buis | Palmboompje | | |
| Buxaceae | Buxus sp | Buis | Buxus, Palmboompje | | |
| Rhynchitidae | Byctiscus betulae | Rhynchite du bouleau | | | |
| Rhynchitidae | Byctiscus populi | | | | |
| Byturidae | Byturus tomentosus | Ver des framboises | Frambozenkever | | Himbeerkaefer |
| Geometridae | Cabera exanthemata | Cabère pustulée | Bruine Grijsbandspanner | | |
| Geometridae | Cabera pusaria | Délicate, Virginale | Witte Grijsbandspanner | Common white wave | |
| Tortricidae | Cacoecimorpha pronubana | | | | |
| Psyllidae | Cacopsylla peregrina | | | | |
| Drosophilidae | Cacoxenus indagator | | | | |
| Anatidae | Cairina moschata | Canard de Barbarie, Canard musqué | Barbarijse eend | | |
| Poaceae | Calamagrostis epigejos | Calamagrostis commune | Gewoon stuisriet | | |
| Asteraceae | Calendula officinalis | Souci officinal | Tuingoudsbloem | | |
| Staphylinidae | Callicerus obscurus | | | | |
| Calliergonella cuspidata | | Gewoon puntmos | | |
| Callitrichaceae | Callitriche stagnalis | Callitriche des eaux stagnantes | Gevleugeld sterrenkoos | | |
| Micropezidae | Calobata sp | | | | |
| Miridae | Calocoris affinis | | | | Grüne Distelwanze |
| Miridae | Calocoris sp | Capside | | | |
| Calocybe gambosa | Tricholome de la Saint-Georges | Voorjaarspronkridder | | |
| Caloplaca citrina | | Citroenkorst | | |
| Caloplaca decipiens | | | | |
| Caloplaca lithophila | | Kleine citroenkorst | | |
| Caloplaca tegularis | | | | |
| Calopterygidae | Calopteryx splendens | Caloptéryx éclatant | Weidebeekjuffer | | Gebänderte Prachtlibelle |
| Gracillariidae | Caloptilia falconipennella | | | | |
| Ranunculaceae | Caltha palustris | Populage des marais | Dotterbloem | | |
| Coccinellidae | Calvia decemguttata | Coccinelle à 10 points blancs | 10-vleklieveheersbeestje | | Zehnpunkt-Marienkäfer |
| Coccinellidae | Calvia quatuordecimguttata | Coccinelle à 14 points | Roomvleklieveheersbeestje | Cream-spot ladybird | Blattfloh-Marienkäfer |
| Convolvulaceae | Calystegia sepium | Liseron des haies | Haagwinde | | |
| Gracillariidae | Cameraria ohridella | Teigne du marronnier | Paardenkastanjemineermot | | Rosskastanien-Miniermotte |
| Geometridae | Campaea margaritaria C. margaritata | Le Céladon | Appeltak, Groen- en witbandspanner | Light Emerald | Perlglanzspanner |
| Campanulaceae | Campanula rapunculus | Campanule raiponce | Rapunzelklokje | | |
| Campanulaceae | Campanula trachelium | Campanule gantelée | Ruig Klokje | | |
| Tephritidae | Campiglossa misella | | | | |
| Campodeidae | Campodea sp | | | | |
| Geometridae | Camptogramma bilineata | La Brocatelle d'or | Gestreepte goudspanner | Yellow Shell | Ockergelber blattspanner, Brennesselspanner |
| Miridae | Campyloneura virgula | | | | Zwergweichwanze |
| Campylopus introflexus | | Grijs-kronkelsteeltje | | |
| Candelariella aurella | | Kleine geelkorst | | |
| Hygromiidae | Candidula intersecta | | Grofgeribde grasslak | | |
| Cannabaceae | Cannabis sativa | Chanvre | Hennep, Kempzaad | | |
| Cantharidae | Cantharis cf cryptica | Cantharide | | | |
| Cantharidae | Cantharis decipiens Oripa, Telephorus, ... | | | | Gelbschwarzer Weichkaefer |
| Cantharidae | Cantharis fusca Telephorus, Silotrachelus | Téléphore sombre | Zwartpootsoldaatje | | Gemeiner Weichkäfer |
| Cantharidae | Cantharis lateralis | | | | |
| Cantharidae | Cantharis livida | Téléphore livide | Geel soldaatje | | |
| Cantharidae | Cantharis obscura | | Zwartpoot soldaatje | | |
| Cantharidae | Cantharis paludosa | | | | |
| Cantharidae | Cantharis pellucida | | Zwart soldaatje | Sailor Beetles | |
| Cantharidae | Cantharis rustica | | Zwart soldaatje | | |
| Cantharidae | Cantharis sp | | | | |
| Brassicaceae | Capsella bursa-pastoris | Bourse-à-pasteur commune | Gewoon herderstasje | | |
| Cyprinidae | Carassius auratus | Poisson rouge | Goudvis | | |
| Brassicaceae | Cardamine amara | Cardamine amère | Bittere veldkers | | |
| Brassicaceae | Cardamine flexuosa | Cardamine des bois | Bosveldkers | | |
| Brassicaceae | Cardamine hirsuta | Cardamine hérissée | Kleine veldkers | | |
| Brassicaceae | Cardamine impatiens | La Cardamine impatiente | Springzaadveldkers | | Spring-Schaumkrant |
| Brassicaceae | Cardamine pratensis | Cardamine des prés | Pinksterbloem | | |
| Brassicaceae | Cardaria draba | Cardaire drave | Pijlkruidkers | | Pfeilkresse |
| Fringillidae | Carduelis cannabina | Linotte mélodieuse | Kneu | | |
| Fringillidae | Carduelis carduelis Fringilla | Chardonneret élégant | Putter / Distelvink | | Stieglitz |
| Fringillidae | Carduelis chloris | Verdier d'europe | Groenling | | |
| Fringillidae | Carduelis flammea | Sizerin flammé | Kleine barmsijs | | |
| Fringillidae | Carduelis spinus | Tarin des aulnes | Sijs | | |
| Asteraceae | Carduus acanthoides | Chardon faux-acanthe | Langstekelige distel | | |
| Asteraceae | Carduus crispus | Chardon crépu | Kruldistel | | |
| Cyperaceae | Carex acuta | Laîche aigue | Scherpe zegge | | |
| Cyperaceae | Carex acutiformis | Laîche des marais | Moeraszegge | | |
| Cyperaceae | Carex disticha | Laîche distique | Tweerijge zegge | | |
| Cyperaceae | Carex flacca | Laîche glauque | Zeegroene zegge | | |
| Cyperaceae | Carex hirta | Laîche hérissée | Ruige zegge | | |
| Cyperaceae | Carex ovalis | Laîche des lièvres | Hazezegge | | |
| Cyperaceae | Carex pendula | Laîche pendante | Hangende zegge | | |
| Cyperaceae | Carex remota | Laîche espacée | Ijle zegge | | Winkel-Segge |
| Cyperaceae | Carex rostrata | Laîche à bec | Snavelzegge | | |
| Cyperaceae | Carex spicata | Laîche en épi | Gewone bermzegge | | |
| Staphylinidae | Carpelimus bilineatus | | | | |
| Staphylinidae | Carpelimus corticinus | | | | |
| Staphylinidae | Carpelimus elongatulus | | | | |
| Staphylinidae | Carpelimus pusillus | | | | |
| Staphylinidae | Carpelimus rivularis | | | | |
| Betulaceae | Carpinus betulus | Charme | Haagbeuk | | |
| Carychiidae | Carychium minimum | | Plompe dwergslak | | |
| Carychiidae | Carychium tridentatum | | Slanke Dwergslak | | |
| Chrysomelidae | Cassida murraea | Casside coccinelle | | Fleabane Tortoise Beetle | |
| Chrysomelidae | Cassida rubiginosa | | Schildpadkever | | |
| Chrysomelidae | Cassida vibex | | Schildpadkever | | |
| Chrysomelidae | Cassida viridis | | | | |
| Fagaceae | Castanea sativa | Châtaigner | Tamme kastanje | | |
| Poaceae | Catabrosa aquatica | Catabrose | Watergras | | |
| Crambidae | Cataclysta lemnata | | Kroosvlindertje, Kroosmotje, Leliemotje | Small China-mark | |
| Noctuidae | Catocala nupta Mormonia | Lichénée mariée | Rood Weeskind | Red Underwing | Rotes Ordensband |
| Eriophyidae | Cecidophyes galii | | | | |
| Pinaceae | Cedrus atlantica | Cèdre atlas | Atlasceder | | |
| Lycaenidae | Celastrina argiolus | Azuré des nerpruns, Argus à bande noire | Boomblauwtje | | |
| Tortricidae | Celypha lacunana | | | | |
| Tortricidae | Celypha striana Phiaris | | | | |
| Asteraceae | Centaurea cyanus | Bleuet des champs | Korenbloem | | |
| Asteraceae | Centaurea jacea | Centaurée jacée | Knoopkruid | | |
| Asteraceae | Centaurea thuillieri | Centaurée des prés | Echt knoopkruid | | |
| Gentianaceae | Centaurium erythraea | Erythrée petite centaurée | Echt duizendguldenkruid | | |
| Helicidae | Cepaea hortensis | Escargot des jardins | Witgerande Tuinslak | | |
| Helicidae | Cepaea nemoralis | Escargot des bois | Gewone Tuinslak | | Schwarzmündige Bänderschnecke |
| Cerambycidae | Cerambyx sp | Capricorne | | | |
| Caryophyllaceae | Cerastium fontanum vulgare | Céraiste commun | Gewone hoornbloem | | |
| Caryophyllaceae | Cerastium glomeratum | Céraiste aggloméré | Kluwenhoornbloem | | |
| Caryophyllaceae | Cerastium pumilum | Céraiste nain | Steenhoornbloem, Kleine hoornbloem | | |
| Caryophyllaceae | Cerastium semidecandrum | Céraiste scarieux | Zandhoornbloem | | |
| Ceratodon purpureus | | Purpersteeltje | | |
| Ceratophyllaceae | Ceratophyllum demersum | Cornifle émergé | Grof hoornblad | | |
| Sphecidae | Cerceris rybyensis | | Groefbijdoder - Gewone graafbijendoder | | Knotenwespe |
| Sphecidae | Cerceris sp | | Graafwesp | | Knotenwespe |
| Cercopidae | Cercopis vulnerata Triecphora | Cercope sanguin | Bloedcicade | Black & red froghopper | Blutzikade |
| Agromyzidae | Cerodontha ireos | | | | |
| Certhiidae | Certhia brachydactyla | Grimpereau des jardins | Boomkruiper | | |
| Scrophulariaceae | Chaenorrhinum minus | Petite linaire | Kleine leeuwenbek | | |
| Apiaceae | Chaerophyllum temulum | Cerfeuil penché | Dolle kervel | | |
| Staphylinidae | Chaetida longicornis | | | | |
| Chaetosphaerella phaeostroma | | | | |
| Tephritidae | Chaetostomella cylindrica | | | | |
| Chaoboridae | Chaoborus sp Corethra sp | Mouche fantôme | Pluimmug | Phantom midge | Büschelmücken |
| Charadriidae | Charadrius dubius | Petit gravelot | Kleine plevier | | |
| Saldidae | Chartoscirta cocksii | | | | |
| Syrphidae | Cheilosia canicularis | | Laat Hoefbladgitje | | Korbblütler-Erzschwebfliege |
| Syrphidae | Cheilosia illustrata | | Wollig gitje | | |
| Syrphidae | Cheilosia pagana | | Kervel-gitje | | |
| Syrphidae | Cheilosia vernalis | | Kust-gitje | | |
| Miturgidae | Cheiracanthium erraticum | | Heidespoorspin | | |
| Miturgidae | Cheiracanthium sp Chiracanthium | | Gele zakspin | | |
| Papaveraceae | Chelidonium majus | Chélidoine | Stinkende gouwe | | |
| Megachilidae | Chelostoma florisomne | | Ranonkelbij | | |
| Megachilidae | Chelostoma rapunculi | | Grote klokjesbij | | Scherenbienen |
| Chenopodiaceae | Chenopodium album | Chénopode blanc | Melganzenvoet | | |
| Chenopodiaceae | Chenopodium ficifoliium | Chénopode à feuilles de figuier | Stippelganzenvoet | | |
| Chenopodiaceae | Chenopodium glaucum | Chénopode glauque | Zeegroene ganzenvoet | | |
| Chenopodiaceae | Chenopodium polyspermum | Chénopode polysperme | Korrelganzenvoet | | |
| Chenopodiaceae | Chenopodium rubrum | Chénopode rouge | Rode ganzenvoet | | |
| Tephritidae | Chetostoma curvinerve | | | | |
| Geometridae | Chiasmia clathrata Semiothisa , Godonela | Géomètre à barreaux | Klaverspanner | | Kleespanner |
| Coccinellidae | Chilocorus renipustulatus | Coccinelle des saules | Wilgenlieveheersbeestje | Kidney-spot ladybird | Rundfleckiger Schildlaus-Marienkäfer |
| Chironomidae | Chironomus sp | Chironome | Dansmug | | |
| Noctuidae | Chloantha hyperici | | Sint-janskruiduil | | |
| Delphacidae | Chloriona cf unicolor | | | | |
| Geometridae | Chloroclysta truncata | Cidarie roussâtre | Schimmelspanner | Common Marbled Carpet | |
| Stratiomyidae | Chloromyia formosa | Chloromie agréable | Prachtwapenvlieg | Green soldier fly | |
| Curculionidae | Chlorophanus viridis | | Groene snuitkever | | Gelbrand-Rüssler |
| Chondrostereum purpureum | Stérée pourpre | Paarse korstzwam | | |
| Stratiomyidae | Chorisops nagatomii | | | | |
| Acrididae | Chorthippus biguttulus | Criquet mélodieux | Ratelaar | | |
| Acrididae | Chorthippus brunneus | Criquet duettiste | Bruine sprinkhaan | | |
| Acrididae | Chorthippus parallelus | Criquet des pâtures | Krasser | | |
| Acrididae | Chorthippus sp | | | | |
| Agromyzidae | Chromatomyia syngenesiae C. chrysanthemi, C. atricornis | | Chrysantenmineervlieg | | |
| Chrysididae | Chrysis ignita | Guêpe-Coucou | Gewone Goudwesp | | Feuer-Goldwespe |
| Syrphidae | Chrysogaster solstitialis | Chrysogastre estivale | Donker doflijfje | | |
| Chrysomelidae | Chrysolina coerulans | Chrysomèle | | | |
| Chrysomelidae | Chrysolina fastuosa Oreina fastuosa | Chrysomèle fastueuse | Veelkleurig goudhaantje | | Ovaläugiger-Blattkäfer |
| Chrysomelidae | Chrysolina haemoptera | | Munthaantje | Plantain leaf beetle | |
| Chrysomelidae | Chrysolina hyperici | Chrysomèle du Millepertuis | Grote hertshooigoudhaan | | |
| Chrysomelidae | Chrysolina oricalcia | Chrysomèle couleur de laiton | | | Brauner Blattkäfer |
| Chrysomelidae | Chrysolina polita | Chrysomèle polie | | | |
| Chrysomelidae | Chrysomela vigintipunctata Melasoma vigintipunctata | | Gevlekt wilgehaantje | | Gefleckter Weidenblattkäfer |
| Chrysopidae | Chrysopa pallens Chrysopa septempunctata | Chrysope | | | |
| Chrysopidae | Chrysopa perla | Chrysope, Lion des pucerons | Goudooggaasvlieg | | Ameisenlöwe |
| Chrysopidae | Chrysopa phyllochroma | | | | |
| Chrysopidae | Chrysoperla carnea | | Goudoogje | Green Lacewing | |
| Rhagionidae | Chrysopilus cristatus | | | | |
| Crambidae | Chrysoteuchia culmella Chrysoteuchia hortuella | | | | |
| Syrphidae | Chrysotoxum bicinctum | Chrysotoxine | Donkere fopwesp | | |
| Syrphidae | Chrysotoxum cautum | Chrysotoxine | Grote fopwesp | | |
| Syrphidae | Chrysotoxum festivum | Chrysotoxine | Stip-fopwesp | | |
| Cicadellidae | Cicadella viridis arundinis, concolor, | Cicadelle verte | Groene cicade | | Grüne zwergzikade |
| Cicadellidae | Cicadula flori | | | | |
| Cicadellidae | Cicadula quadrinotata | | | | |
| Asteraceae | Cichorium intybus | Chicon | Witloof | | |
| Asteraceae | Cichorium intybus | Chicorée sauvage | Wilde cichorei | | |
| Ciconiidae | Ciconia ciconia | Cigogne blanche | Ooievaar | | |
| Curculionidae | Cionus tuberculosus | | | | |
| Onagraceae | Circaea lutetiana | Circée de Paris | Groot heksenkruid | | |
| Accipitridae | Circus cyaneus | Busard Saint-Martin | Blauwe kiekendief | | |
| Cirriphyllum piliferum | | Gewoon haarspitsmos | | |
| Asteraceae | Cirsium arvense arvense | Cirse des champs | Akkerdistel | | |
| Asteraceae | Cirsium arvense vestitum | Cirse des champs | Akkerdistel | | |
| Asteraceae | Cirsium arvense horridum | Cirse des champs | Akkerdistel | | |
| Asteraceae | Cirsium oleraceum | Cirse maraîcher | Moesdistel | | |
| Asteraceae | Cirsium palustre | Cirse des marais | Kale jonker | | |
| Asteraceae | Cirsium vulgare | Cirse commun | Speerdistel | | |
| Cixiidae | Cixius sp | | | | Glasflügelzikade |
| Cladonia coniocraea | | Smal bekermos | | |
| Cladonia fimbriata | | Kopjes-bekermos | | |
| Clausiliidae | Clausilia bidentata | | | | |
| Portulaceae | Claytonia perfoliata | Claytonie perfoliée | Witte winterpostelein | | |
| Ranunculaceae | Clematis vitalba | Clématite des haies | Bosrank | | |
| Tortricidae | Clepsis consimilana Tortrix unifasciana | | | | |
| Muridae | Clethrionomys glareolus | Campagnol roussâtre | Rosse Woelmuis | | |
| Clitocybe gibba | Clitocybe en entonnoir | Slanke trekterzwam | | |
| Clitocybe nebularis | Clitocybe nébuleux | Nevelzwam | | |
| Clitocybe phyllophila | Clitocybe des feuilles | Grote bostrechterzwam | | |
| Clitocybe rivulosa Clitocybe dealbata | Clitocybe blanchi | Giftige weidetrechterzwam | | |
| Baetidae | Cloeon dipterum | | Eendagsvlieg | | |
| Notodontidae | Clostera anachoreta | | Kleine Wapendrager | Scarce Chocolate-tip | |
| Clubionidae | Clubiona reclusa | | Zompzakspin | | |
| Clubionidae | Clubiona sp | | Struikzakspinnen | | |
| Cerambycidae | Clytus arietis | Clyte guêpe | Kleine Wespebok | | Der Widderbock |
| Coccinellidae | Coccidula rufa Strongylus, C. conferta | Coccidule des marais | Ongevlekt rietkapoentje | | Glänzender Schlankmarienkäfer |
| Coccinellidae | Coccidula scutellata | Coccidule tachée | Gevlekt rietkapoentje | | Gefleckter Schilf-Marienkäfer |
| Coccinellidae | Coccinella quinquepunctata | Coccinelle à cinq points | Vijfstippelig lieveheersbeestje | 5 spot ladybird | Fünfpunkt |
| Coccinellidae | Coccinella septempunctata | Coccinelle à sept points | 7-stippeliglieveheersbeestje | | |
| Fringillidae | Coccothraustes coccothraustes | Gros-bec casse-noyaux | Appelvink | | |
| Cochlicopidae | Cochlicopa lubrica Cionella lubrica | | Glanzende Agaathoren | | |
| Megachilidae | Coelioxys sp | | Kegelbij | | |
| Coenagrionidae | Coenagrion puella | Agrion jouvencelle | Azuurwaterjuffer | | |
| Nymphalidae | Coenonympha pamphilus | Procris | Hooibeestje | Small heath | Kleiner Heufalter |
| Liliaceae | Colchicum autumnale | Colchique d'automne | Herfsttijloos | | |
| Coleophoridae | Coleophora sp | | | | |
| Coleophoridae | Coleophora trochilella | Porte-case | | | |
| Colletidae | Colletes daviesanus | | Wormkruidbij | | Gemeine Seidenbiene |
| Collybia butyracea | Collybie beurrée | Botercollybia | | |
| Noctuidae | Colocasia coryli | Noctuelle du noisetier | Hazelaaruil | | |
| Geometridae | Colotois pennaria | Himère-plume | Gepluimde Spanner | | |
| Coltricia perennis | Coltricie | Echte tolzwam | | |
| Columbidae | Columba oenas | Pigeon colombin | Holenduif | | |
| Columbidae | Columba palumbus | Pigeon ramier | Houtduif | | |
| Columbidae | Columbia livia | Pigeon domestique | Stadsduif | | |
| Dytiscidae | Colymbetes sp | | Duiker | | |
| Rosaceae | Comarum palustre | Comaret | Wateraardbei | | |
| Tettigoniidae | Conocephalus discolor | Conocéphale bigarré | Zuidelijk spitskopje | | |
| Tettigoniidae | Conocephalus dorsalis | Conocéphale des roseaux | Rietsprinkhaan, Gewoon spitskopje | | |
| Conocybe tenera | Conocybe délicat | Kaneelkleurig breeksteeltje | | |
| Cicadellidae | Conosanus obsoletus | | | | |
| Cecidomyiidae | Contarinia acerplicans | | | | |
| Liliaceae | Convallaria majalis | Muguet | Lelietje-van-dalen | | |
| Convolvulaceae | Convolvulus arvensis | Liseron des champs | Akkerwinde | | |
| Asteraceae | Conyza canadensis | Vergerette du Canada | Canadese fijnstraal | | |
| Coprinus atramentarius | Coprin noir d'encre | Kale inktzwam | | |
| Coprinus comatus | Coprin chevelu | Geschubde inktzwam | | |
| Coprinus disseminatus | Coprin disséminé | Zwerminktzwam | | |
| Coprinus lagopus | Coprin pied de lièvre | Hazepootje | | |
| Coprinus micaceus | Coprin micacé | Gewone glimmerinktzwam | | |
| Coprinus plicatilis | Coprin plissé | Plooirokje | | |
| Tischeriidae | Coptotriche angusticollella | | | | |
| Staphylinidae | Cordalia obscura | | | | |
| Calopterygidae | Cordulia aenea | Cordulie bronzée | Smaragdlibel | Downy Emerald | Gemeine Smaragdlibelle |
| Sciomyzidae | Coremacera marginata Statinia | | Slakkendodervlieg | Snail-killing fly | Melierte schneckenfliege |
| Coreidae | Coreus marginatus | Punaise brune | Zuringwant | | Lederwanze, Randwanze |
| Apiaceae | Coriandrum sativum | Coriandre | Koriander | | |
| Corixidae | Corixa sp | Corise | | | |
| Rhopalidae | Corizus hyoscyami | | Kaneelwants | | Zimtwanze |
| Helicidae | Cornu aspersum | Petit-gris | Segrijnslak / Kleine wijngaardslak | | |
| Cornaceae | Cornus alba | Cornouiller blanc, C. de Sibérie | Witte kornoelje | | |
| Cornaceae | Cornus mas | Cornouiller mâle | Gele kornoelje | | |
| Cornaceae | Cornus sanguinea | Cornouiller sanguin | Rode kornoelje | | |
| Cornaceae | Cornus sp | Cornouiller | Kornoelje | | |
| Brassicaceae | Coronopus didymus | Corne de cerf didyme | Kleine varkenskers | | |
| Brassicaceae | Coronopus squamatus | Corne de cerf commune | Varkenskers | | Gemeiner Krähenfuss |
| Cortinarius hemitrichus | Cortinaire semi-poilu | Witschubbige gordijnzwam | | |
| Cortinarius paleaceus | Cortinaire pailleté | Gewone pelargoniumgordijnzwam | | |
| Corvidae | Corvus corone | Corneille noire | Zwarte kraai | | Rabenkrähe |
| Corvidae | Corvus frugilegus | Corbeau freux | Roek | | Saatkrähe |
| Corvidae | Corvus monedula | Choucas des tours | Kauw | | Dohle |
| Fumariaceae | Corydalis solida | Corydale solide | Vingerhelmbloem | | |
| Betulaceae | Corylus avellana | Noisetier, Coudrier | Hazelaar | | |
| Cerambycidae | Corymbia fulva | Lepture fauve | Gele boktor | | |
| Cosmopterigidae | Cosmopterix zieglerella | | | | |
| Geometridae | Cosmorhoe ocellata Cidaria ocellata | Cidarie | Blauwbandspanner | | |
| Malaceae | Cotoneaster horizontalis | Cotonéaster horizontal | Vlakke dwergmispel | | |
| Malaceae | Cotoneaster sp | Cotonéaster | Dwergmispel | | |
| Phasianidae | Coturnix coturnix | Caille des blés | Kwartel | | |
| Crambidae | Crambus pascuella | Crambe des pâturages | | Grass-veneer Moth | |
| Noctuidae | Craniophora ligustri | | Schedeldrager | The Coronet | |
| Malaceae | Crataegus laevigata rubra plena | Aubépine à fleurs rouges | Tweestijlige meidoorn | | |
| Malaceae | Crataegus monogyna | Aubépine à un style | Eenstijlige meidoorn | | |
| Malaceae | Crataegus x lavallei | | Meidoorn | | |
| Ichneumonidae | Cratichneumon albiscuta | | | | |
| Cratoneuron filicinum | | Gewoon diknerfmos | | |
| Braconidae | Cremnops desertor | | | | |
| Chrysomelidae | Crepidodera aurata | Altise dorée | | Willow Flea Beetle | |
| Chrysomelidae | Crepidodera fulvicornis Chalcoides fulvicornis | | | | |
| Crepidotus variabilis | Crépidote variable | Wit oorzwammetje | | |
| Asteraceae | Crepis biennis | Crépis des prés | Groot streepzaad | | |
| Asteraceae | Crepis capillaris | Crépis à tige capillaire | Klein streepzaad | | |
| Asteraceae | Crepis paludosa | Crépis des marais | Moerasstreepzaad | | |
| Asteraceae | Crepis setosa | Crépis hérissée | Borstelstreepzaad | | |
| Chrysomelidae | Crioceris asparagi | Criocère de l'Asperge | Blauwe aspergekever | | |
| Chrysomelidae | Crioceris duodecimpunctata | Criocère à douze points | Aspergehaantje | | |
| Soricidae | Crocidura russula | Musaraigne musette | Huisspitsmuis | | |
| Iridaceae | Crocus sativus | Safran | Safraancrocus | | |
| Cronartium ribicola | Rouille | Zwarte bessenroest | | |
| Rubiaceae | Cruciata laevipes | Gaillet croisette | Kruidbladwalstro | | |
| Crucibulum crucibuliforme Crucibulum laeve | Crucibule lisse | Geel nestzwammetje | | |
| Chrysomelidae | Cryptocephalus moraei | | | | Querbindiger Fallkäfer |
| Chrysomelidae | Cryptocephalus ocellatus Burlinius | | | | |
| Aphididae | Cryptosiphum artemisiae | | | | Beifuß-Blattlaus |
| Dipsocoridae | Cryptostemma waltli Pachycoleus rufescens | | | | |
| Ichneumonidae | Ctenichneumon panzeri | | | | |
| Ichneumonidae | Ctenichneumon sp | Ichneumon | | | |
| Cuculidae | Cuculus canorus | Coucou gris | Koekoek | | |
| Cucurbitaceae | Cucumis sativus | Concombre, cornichon | Komkommer, augurk | | |
| Cucurbitaceae | Cucurbita pepo | Courge, pépon | Sierpompoen | | |
| Culicidae | Culex sp | Moustique | Mug | Mosquito | Moskito |
| Cyathus olla | Cyathe en vase | Bleek nestzwammetje | | |
| Cyclopidae | Cyclops sp | Cyplope | Eenoogkreeftje | | |
| Araneidae | Cyclosa sp | | Kegelspin | | Radnetzspinne |
| Tortricidae | Cydia pomonella | | | | |
| Malaceae | Cydonia oblonga | Cognassier | Kwee | | Quitte |
| Anatidae | Cygnus atratus | Cygne noir | Zwarte zwaan | | |
| Anatidae | Cygnus olor | Cygne tuberculé | Knobbelzwaan | | |
| Scrophulariaceae | Cymbalaria muralis | Cymbalaire | Muurleeuwenbek | | |
| Lygaeidae | Cymus aurescens | | | | |
| Lygaeidae | Cymus melanocephalus | | | | |
| Cynipidae | Cynips divisa | | | Pea Gall | |
| Cynipidae | Cynips quercusfolii | Galle cerise du Chêne | Gewone eikengalwesp | Common oak gallfly | Gemeine Eichengallwespe |
| Poaceae | Cynosurus cristatus | Crételle | Beemdkamgras | | |
| Staphylinidae | Cypha discoidea | | | | |
| Staphylinidae | Cypha longicornis | | | | |
| Acanthosomatidae | Cyphostethus tristriatus | | Jeneverbesschildwants | | Buntrock |
| Cyprinidae | Cyprinus carpio | Carpe Koï | Karper | | |
| Fabaceae | Cytisus scoparius | Genêt à balais commun | Gewone brem | | |
| Dacrymyces stillatus | | Oranje druppelzwam | | |
| Poaceae | Dactylis glomerata | Dactyle commun | Gewone kropaar | | |
| Orchidaceae | Dactylorhiza fuchsii | Orchis de Fuchs | Bosorchis | | |
| Orchidaceae | Dactylorhiza praetermissa | Orchis négligé | Rietorchis | | Übersehenes Knabenkraut |
| Daedalopsis confragosa | | Roodporiehoutzwam | | |
| Daphniidae | Daphnia sp | Daphnie, Puce d'eau | Watervlo | | Bachfloh |
| Cecidomyiidae | Dasineura bistortae | | | | |
| Cecidomyiidae | Dasineura fraxini | | | | |
| Cecidomyiidae | Dasineura irregularis | | | | |
| Cecidomyiidae | Dasineura pustulans | | | | |
| Cecidomyiidae | Dasineura pyri | Cécidomyie des feuilles du poirier | | | |
| Cecidomyiidae | Dasineura tortilis Dasineura alni (Löw) | | | | |
| Cecidomyiidae | Dasineura ulmaria | | | | |
| Cecidomyiidae | Dasineura urticae | Galle de l'Ortie | | | |
| Melittidae | Dasypoda hirtipes | | Pluimvoetbij | | |
| Syrphidae | Dasysyrphus albostriatus | | Bretel-wimperzwever | | |
| Syrphidae | Dasysyrphus tricinctus | | Geelband-wimperzwever | | |
| Melyridae | Dasytes plumbeus | | | | Bleischwarzer Haarkäfer |
| Staphylinidae | Datomicra celata | | | | |
| Staphylinidae | Datomicra dadopora | | | | |
| Staphylinidae | Datomicra nigra | | | | |
| Staphylinidae | Datomicra sordidula | | | | |
| Solanaceae | Datura stramonium | Stramoine | Doornappel | | |
| Apiaceae | Daucus carota | Carotte | Peen | | |
| Sphingidae | Deilephila elpenor | Sphinx de la vigne | Groot Avondrood | | Mittlerer Weinschwärmer |
| Delicatula integrella | | Plooiplaatzwammetje | | |
| Hirundinidae | Delichon urbica | Hirondelle de fenêtre | Huiszwaluw | | |
| Delphacidae | Delphacodes capnodes | | | | |
| Delphacidae | Delphacodes venosus | | | | |
| Cicadellidae | Deltocephalus pulicaris | | | | |
| Noctuidae | Deltote bankiana Eustrotia bankiana | Ancre | Zilverstreep | | |
| Carabidae | Demetrias monostigma | | | Single-spotted Demetrias | |
| Dendrocoelidae | Dendrocoelum lacteum | Planaire | Melkwitte platworm | | |
| Picidae | Dendrocopos major | Pic épeiche | Grote bonte specht | | |
| Picidae | Dendrocopos minor | Pic épeichette | Kleine bonte specht | | |
| Elateridae | Denticollis linearis | | | | Zahnhalsiger Schnellkäfer |
| Miridae | Deraeocoris lutescens | | | | |
| Miridae | Deraeocoris ruber | | | | Rote Weichwanze |
| Dermestidae | Dermestidae sp | Dermeste | | | |
| Agriolimacidae | Deroceras reticulatum | Limace réticulée, petite Limace grise | Gevlekte Akkerslak | | |
| Staphylinidae | Deubelia picina | | | | |
| Tenebrionidae | Diaclina fagi | | | | |
| Arctiidae | Diacrisia sannio | Ecaille roussette | Roodbandbeer | | |
| Thomisidae | Diaea dorsata | | Groene krabspin | Green Crab Spider | Grüne Krabbenspinne |
| Caryophyllaceae | Dianthus armeria | Oeillet velu | Ruige Anjer | | |
| Arctiidae | Diaphora mendica | Ecaille mendiante | Mendicabeer | | |
| Sciomyzidae | Dichetophora finlandica D. obliterata | | | | |
| Tortricidae | Dichrorampha obscuratana | | | | |
| Tortricidae | Dichrorampha petiverella | Tordeuse de Petiver | | | |
| Dicranella heteromalla | | Gewoon pluisjesmos | | |
| Dicranella staphylina | | Knolletjes-greppelmos | | |
| Dicranoweisia cirrata | | Gewoon sikkelsterretje | Common pincushion | Lockiges Gabelzahnperlmoos |
| Dicranum scoparium | Dicrane à balai | Gewoon gaffeltandmos | | Besenmoos |
| Tingidae | Dictyla humuli | | | | |
| Dictynidae | Dictyna latens | | Zwart Kaardertje | | |
| Dictynidae | Dictyna uncinata | | Struikkaardertje | | |
| Miridae | Dicyphus epilobii | | | | |
| Miridae | Dicyphus errans | | | | |
| Dicyrtomidae | Dicyrtomina saundersi | | | | |
| Didymodon fallax | | Klei-dubbeltandmos | | |
| Didymodon luridus | | Breedbladig dubbeltandmos | | |
| Didymodon rigidulus | | Broedknop-dubbeltandmos | | |
| Didymodon tophaceus | | Tuf-dubbeltandmos | | |
| Didymodon vinealis | | Muur-dubbeltandmos | | |
| Scrophulariaceae | Digitalis purpurea | Digitale pourpre | Gewoon Vingerhoedskruid | | |
| Bibionidae | Dilophus febrilis Philia, vulgaris | | Gewone Rouwvlieg, Koortsvlieg | | Strahlenmücke |
| Staphylinidae | Dimetrota atramentaria | | | | |
| Staphylinidae | Dimetrota nigripes | | | | |
| Staphylinidae | Dinaraea aequata | | | | |
| Staphylinidae | Dinaraea linearis | | | | |
| Tephritidae | Dioxyna bidentis | | | | |
| Cynipidae | Diplolepis eglanteriae | Cynips du Rosier | Gladde rozenerwtgal | Smooth pea gall | Galle ronde du Rosier |
| Cynipidae | Diplolepis nervosa | | | Spiked pea gall | |
| Cynipidae | Diplolepis rosae Rhodites rosae | Cynips du bédéguar | Bedeguaargal / Hondsrozenspons / Slaapappel | Robin's pin cushion / Bedeguar | Schlafapfel |
| Brassicaceae | Diplotaxis tenuifolia | Diplotaxe vulgare | Grote zandkool | | |
| Dipsacaceae | Dipsacus fullonum | Cardère, Cabaret des oiseaux | Grote Kaardebol | | |
| Patulidae | Discus rotundatus | Hélice bouton | Boerenknoopje | | |
| Tenthredinidae | Dolerus aeneus | | | | |
| Tenthredinidae | Dolerus bimaculatus | | | | |
| Tenthredinidae | Dolerus germanicus | | | | |
| Tenthredinidae | Dolerus haematodes | | | | |
| Tenthredinidae | Dolerus sp | | | | |
| Dolichopodidae | Dolichopus sp | | | | |
| Vespidae | Dolichovespula media Boreo-, Meta-, Pseudovespula | Guêpe moyenne | Middelste wesp | Median Wasp | Kleinen Hornisse, Mittlere Wespe |
| Pentatomidae | Dolycoris baccarum | Punaise des baies | Bessenwants | Sloe bug | Beerenwanze |
| Lucanidae | Dorcus parallelopipedus | Petite biche | Klein Vliegend Hert | Lesser Stag beetle | Balkenschröter |
| Curculionidae | Dorytomus longimanus | | Langsprietpopuliersnuittor | | |
| Gnaphosidae | Drassodes sp | | | | |
| Drepanocladus aduncus | | Gewoon sikkelmos | | |
| Drilidae | Drilus concolor | Drile | Donkere slakkenvreter | | Schneckenhauskäfer |
| Drilidae | Drilus flavescens | Drile jaunâtre | Slakkenvreter | | |
| Carabidae | Dromius quadrimaculatus | | Schorsloopkever | | Vierfleckiger Rennläufer |
| Drosophilidae | Drosophila sp | Mouche du vinaigre | Fruitvlieg | | |
| Staphylinidae | Drusilla canaliculata | | | | |
| Picidae | Dryocopus martius | Pic noir | Zwarte specht | | |
| Dryopidae | Dryops sp | Dryopide | Beekkever | | |
| Dryopteridaceae | Dryopteris carthusiana | Dryoptéris des chartreux | Smalle stekelvaren | | |
| Dryopteridaceae | Dryopteris dilatata | Dryoptéris dilaté | Brede stekelvaren | | |
| Dryopteridaceae | Dryopteris filix-mas | Fougère mâle | Mannetjesvaren | | |
| Rosaceae | Duchesnea indica | Fraisier des Indes | Schijnaardbei | | |
| Planariidae | Dugesia sp Planaria sp | Planaire | Gemarmerde platworm | | |
| Noctuidae | Dypterygia scabriuscula | Hérissée | Vogelwiekje | | |
| Pentatomidae | Dyroderes umbraculatus | | | | |
| Aphididae | Dysaphis crataegi | | Meidoorn-bloedblaarluis | | |
| Dysderidae | Dysdera crocata D. inaequuscapillata | | Roodwitte celspin | Woodlouse Spider | |
| Dytiscidae | Dytiscus marginalis | Dytique bordé | Geelgerande waterkever | | |
| Poaceae | Echinochloa crus-galli | Pied-de-coq commun | Europese hanenpoot | | |
| Boraginaceae | Echium vulgare | Vipérine | Slangekruid | | |
| Sphecidae | Ectemnius sp | | Blokhoofdwesp | Square-headed wasp | |
| Cicadellidae | Edwardsiana rosae | | | | |
| Elaeagnaceae | Elaeagnus angustifolia | Chalef | Olijfwilg | | |
| Carabidae | Elaphrus riparius | Elaphre des rives | | | gemeiner Raschkäfer |
| Acanthosomatidae | Elasmostethus interstinctus | | Berkenschildwants | Birch shieldbug | |
| Acanthosomatidae | Elasmucha grisea | Punaise grise ou grisâtre | Berkenwants | Parent Bug | Fleckige Brutwanze |
| Cyperaceae | Eleocharis palustris | Scirpe des marais | gewone waterbies | | |
| Cyperaceae | Eleocharis sp | | Waterbies | | |
| Gliridae | Eliomys quercinus | Lérot | Eikelmuis | | |
| Hydrocharitaceae | Elodea canadensis | Elodée du Canada | Brede waterpest | | |
| Staphylinidae | Elonium minutum | | | | |
| Poaceae | Elymus caninus | Chiendent canin | Hondstarwegras | | |
| Poaceae | Elymus repens | Chiendent commun | Kweek | | |
| Geometridae | Ematurga atomaria | Phalène picotée | Gewone Heispanner | | |
| Emberizidae | Emberiza schoeniclus | Bruant des roseaux | Rietgors | | |
| Noctuidae | Emmelia trabealis | Arlequinette jaune | Panteruiltje | Spotted Sulphur | Ackerwinden-Bunteulchen |
| Pterophoridae | Emmelina monodactyla bidactyla | | | | |
| Empididae | Empis tessellata | Empis marqueté | Grote dansvlieg | | |
| Cicadellidae | Empoasca sp | | | | |
| Coenagrionidae | Enallagma cyathigerum | Agrion porte-coupe | Watersnuffel | | |
| Tortricidae | Enarmonia formosana E. woeberiana | | Schorsrups | Cherrybark tortrix | |
| Pyralidae | Endotricha flammealis | | | | |
| Theridiidae | Enoplognatha ovata | | Gewone Tandkaak | | |
| Theridiidae | Enoplognatha sp | | | | |
| Tephritidae | Ensina sonchi | | | | |
| Entoloma rhodopolium | | Grauwe bossatijnzwam | | |
| Entoloma sericeum | Entolome soyeux | Bruine satijnzwam | | |
| Entomobryidae | Entomobrya nivalis | | | | |
| Entomophtora sp | | | | |
| Pyralidae | Ephestia sp | | | | |
| Coccinellidae | Epilachna argus | Coccinelle des melons | Heggeranklieveheersbeestje | | |
| Onagraceae | Epilobium angustifolium Chamerion angustifolium | Epilobe en épi | Gewoon wilgenroosje | | |
| Onagraceae | Epilobium ciliatum | Epilobe cilié | Beklierde basterdwederik | | |
| Onagraceae | Epilobium hirsutum | Epilobe hérissée | Harig wilgenroosje | | |
| Onagraceae | Epilobium montanum | Epilobe des montagnes | Bergbasterdwederik | | |
| Onagraceae | Epilobium parviflorum | Epilobe à petites fleurs | Viltige basterdwederik | | |
| Onagraceae | Epilobium roseum | Epilobe rosé | Bleke basterdwederik | | |
| Onagraceae | Epilobium tetragonum | Epilobe à tige carrée | Kantige basterdwederik | | |
| Geometridae | Epione repandaria | | Puntige Zoomspanner | Bordered Beauty | |
| Orchidaceae | Epipactis helleborine | Epipactis à larges feuilles | Brede wespeorchis | | |
| Geometridae | Epirrhoe alternata E. islandica, E. sociata | Phalène triste, Mélanippe de l'Alchémille | Gewone Bandspanner | Common Carpet | Graubinden-Labkrautspanner |
| Syrphidae | Epistrophe eligans E. bifasciata, E. trifasciata | | Enkele-bandzwever | | |
| Syrphidae | Epistrophe grossulariae | | Zwartspriet-bandzwever | | |
| Syrphidae | Epistrophe nitidicollis | | Zwarthaar-bandzwever | | |
| Syrphidae | Episyrphus auricollis | | | | |
| Syrphidae | Episyrphus balteatus Syrphus cretensis | Syrphe à ceintures | Pyjamazweefvlieg | | Hain-Schwebfliege |
| Syrphidae | Episyrphus cinctellus | | | | |
| Eriophyidae | Epitrimerus trilobus | | | | |
| Vespertilionidae | Eptesicus serotinus | Sérotine commune | Laatvlieger | | |
| Nitidulidae | Epuraea aestiva Epuraea depressa | | Glanskever | | |
| Nitidulidae | Epuraea ocularis E. bisignata | | | | |
| Equisetaceae | Equisetum arvense | Prêle des champs | Heermoes | | |
| Equisetaceae | Equisetum fluviatile | Prêle des eaux | Holpijp | | |
| Equisetaceae | Equisetum palustre | Prêle des marais | Lidrus | | |
| Equisetaceae | Equisetum telmateia | Grande prêle | Reuzenpaardenstaart | | |
| Poaceae | Eragrostis minor | Eragrostis faux-pâturin | Klein liefdegras | | Kleines Liebesgras |
| Geometridae | Erannis defoliaria | Hibernie défeuillante | Grote Wintervlinder | Mottled Umber | Großer Frostspanner |
| Asteraceae | Erigeron acer | Erigeron âcre | Scherpe fijnstraal | | |
| Linyphiidae | Erigone atra | | Storingsdwergspin | | |
| Erinaceidae | Erinaceus europaeus | Hérisson d'Europe | Egel | | |
| Lasiocampidae | Eriogaster lanestris | La laineuse du Cerisier ou Bombyx laineux | | Small Eggar | Wollafter |
| Eriophyidae | Eriophyes crataegi | | | | |
| Eriophyidae | Eriophyes inangulis | | Elzennerfpuistje | Vein angle gall | |
| Eriophyidae | Eriophyes laevis Eriophyes laevis laevis | Galle sur feuille d'Aulne | Elzenpuistje | | |
| Eriophyidae | Eriophyes pyri Phytoptus pyri | Eriopyide à galle du poirier | | | |
| Eriophyidae | Eriophyes sorbi E. aucupariae, E. variolatus | | | | |
| Eriophyidae | Eriophyes tiliae | Galle du Tilleul | Linde galmijt | | |
| Aphididae | Eriosoma ulmi | Puceron de l'orme et du groseillier | Bessebloedluis, Bessenwortelluis | Elm leaf aphid | Ulmen-Blattrollenlaus |
| Syrphidae | Eristalinus aeneus | | | | |
| Syrphidae | Eristalinus sepulchralis | | Weidevlekoog | | |
| Syrphidae | Eristalis arbustorum | Eristale des arbustes | Kleine bijvlieg | | |
| Syrphidae | Eristalis horticola | | Bos-bijvlieg | | |
| Syrphidae | Eristalis hortorum | | | | |
| Syrphidae | Eristalis interrupta Eristalis nemorum | | | | |
| Syrphidae | Eristalis intricaria E. intricarius | Eristale brouillée | Hommel-bijvlieg | | Hummel-Keilfleckschwebfliegen |
| Syrphidae | Eristalis pertinax | Eristale opiniâtre | Kegelbijvlieg | | |
| Syrphidae | Eristalis tenax | Eristale gluante | Blinde bij | | |
| Muscicapidae | Erithacus rubecula | Rouge-gorge | Roodborst | | |
| Mimetidae | Ero aphana | | Vierspitsspinneneter | | |
| Mimetidae | Ero furcata | | Gevorkte spinneneter | | |
| Geraniaceae | Erodium cicutarium | Bec de cigogne commun | Gewone reigerbek | | |
| Brassicaceae | Erophila verna | Drave printanière | Vroegeling | | |
| Erpobdellidae | Erpobdella octoculata | Sangsue | Achtogige bloedzuiger | | Rollegel |
| Brassicaceae | Erysimum cheiri | Giroflée des murailles | Muurbloem | | |
| Erysiphe adunca | | | | |
| Erysiphe cichoracearum | | | | |
| Erysiphe convolvuli | | | | |
| Erysiphe heraclei | | | | |
| Erysiphe prunastri | | | | |
| Erysiphe urticae | | | | |
| Coenagrionidae | Erythromma najas | Agrion à yeux rouges | Grote roodoogjuffer | | |
| Esocidae | Esox lucius | Brochet | Snoek | | |
| Oecophoridae | Esperia sulphurella | | | | |
| Noctuidae | Euclidia glyphica | Doublure jaune | Bruine Daguil | Burnet Companion | Braune Tageule |
| Euconulidae | Euconulus fulvus | | Gladde tolslak | | |
| Tortricidae | Eucosma cana | | | | |
| Eudarluca caricis | | | | |
| Crambidae | Eudonia mercurella Dipleurina, frequentella | | | | |
| Delphacidae | Euides basilinea | | | | |
| Tephritidae | Euleia heraclei | Mouche du Céleri | | | |
| Geometridae | Eulithis prunata | | Wortelhoutspanner | Phoenix | |
| Vespidae | Eumenes sp | Guepe maçonne | Urntjeswesp | Potterwasp | Pillenwespe |
| Celastraceae | Euonymus europaeus | Fusain d'Europe | Wilde kardinaalsmuts | | |
| Asteraceae | Eupatorium cannabinum | Eupatoire chanvrine | Koninginnenkruid | | |
| Syrphidae | Eupeodes corollae Metasyrphus | Syrphe des corolles | Terrasjes-kommazwever | | Gemeine feldschwebfliege |
| Syrphidae | Eupeodes latifasciatus | | Gele-kommazwever | | |
| Euphorbiaceae | Euphorbia cyparissias | Euphorbe petit-cyprès | Cipreswolfsmelk | | |
| Euphorbiaceae | Euphorbia helioscopia | Euphorbe réveil-matin | Kroontjeskruid | | |
| Euphorbiaceae | Euphorbia lathyris | Euphorbe epurge | Kruisbladige wolfsmelk | | |
| Euphorbiaceae | Euphorbia peplus | Euphorbe des jardins | Tuinwolfsmelk | | |
| Geometridae | Eupithecia absinthiata | | Egale dwergspanner | | |
| Geometridae | Eupithecia assimilata Tephroclystia | | Hopdwergspanner | Currant Pug | Hopfen-Blütenspanner |
| Geometridae | Eupithecia centaureata Tephroclystia , E. oblongata | Eupithécie de la centaurée | Zwartvlekdwergspanner | Lime-speck pug | |
| Geometridae | Eupithecia linariata | Eupithécie de la linaire | Vlasbekdwergspanner | | |
| Geometridae | Eupithecia tantillaria | Eupithécie | Fijnspardwergspanner | | |
| Geometridae | Eupithecia vulgata | Eupithécie | Gewone dwergspanner | | |
| Cicadellidae | Eupterycyba jucunda | | | | Bunte Erlen-Blattzikade |
| Cicadellidae | Eupteryx atropunctata | Cigale à tache noire | | | |
| Cicadellidae | Eupteryx aurata festiva, fulva, interrupta | | | | Gold-Blattzikade |
| Cicadellidae | Eupteryx calcarata | | | | |
| Cicadellidae | Eupteryx melissae | | | Tree mallow hopper / Sage leafhopper | Kräuter-Blattzikade |
| Cicadellidae | Eupteryx stachydearum | | | | Nördliche Ziestblattzikade |
| Cicadellidae | Eupteryx thoulessi | | | | |
| Eurhynchium hians | | Klei-snavelmos | | |
| Eurhynchium praelongum | | Fijn laddermos | | |
| Eurhynchium pumilum | | Klein snavelmos | | |
| Eurhynchium speciosum | | Moeras-snavelmos | | |
| Eurhynchium striatum | | Geplooid-snavelmos | | |
| Crambidae | Eurrhypara hortulata E. urticata | Pyrale de l'Ortie | Brandnetelmot | Small magpie | Brennnesselzünsler |
| Pentatomidae | Eurydema dominulus | | | | |
| Pentatomidae | Eurydema oleracea | La punaise du chou | Koolwants | | |
| Scutelleridae | Eurygaster sp | | | | |
| Lasiocampidae | Euthrix potatoria | Buveuse | Rietvink | | |
| Tenthredinidae | Eutomostethus ephippium | | | | |
| Tenthredinidae | Eutomostethus luteiventris | | | | |
| Cicadellidae | Evacanthus interruptus | | | | Wiesenschmuckzikade |
| Crambidae | Evergestis forficalis | Pyrale des crucifères | Late koolmot | Garden Pebble Moth | Kohlzünsler |
| Crambidae | Evergestis limbata Reskovitsia, E.praetextalis | | | | |
| Evernia prunastri | | Eikenmos, Gewoon geweimos | | |
| Exidia plana | Exidie glanduleuse | Trilzwam | | |
| Coccinellidae | Exochomus quadripustulatus | Coccinelle à virgules | Viervleklieveheersbeestje | Pine ladybird | Vierfleckiger Kugelmarienkäfer |
| Pentatomidae | Eysarcoris aeneus | | | New Forest Shieldbug | |
| Pentatomidae | Eysarcoris fabricii | | | | |
| Polygonaceae | Fagopyrum esculentum | Sarrasin commun | Gewone boekweit | | |
| Fagaceae | Fagus sylvatica | Hêtre | Beuk | | |
| Fagaceae | Fagus sylvatica atropunicea | Hêtre pourpre | Rode Beuk | | |
| Staphylinidae | Falagria concinna | | | | |
| Staphylinidae | Falagria sulcatula | | | | |
| Staphylinidae | Falagria thoracica | | | | |
| Falconidae | Falco peregrinus | Faucon pélerin | Slechtvalk | | |
| Falconidae | Falco tinnunculus | Faucon crécerelle | Torenvalk | | |
| Polygonaceae | Fallopia convolvulus convolvulus | Vrillée liseron | Zwaluwtong | | |
| Polygonaceae | Fallopia japonica | Renouée du Japon | Japanse duizendknoop | | |
| Felidae | Felis domestica | Chat haret | Huiskat | | |
| Tenthredinidae | Fenusa dohrnii | | | | |
| Poaceae | Festuca arundinacea | Fétuque roseau | Rietzwenkgras | | |
| Poaceae | Festuca gigantea | Fétuque géante | Reuzenzwenkgras | | |
| Poaceae | Festuca pratensis | Fétuque des prés | Beemdlangbloem | | |
| Poaceae | Festuca rubra | Fétuque rouge | Roodzwenkgras | | |
| Poaceae | Festuca rubra | Fétuque rouge | Rood zwenkgras | | |
| Muscicapidae | Ficedula hypoleuca | Gobemouche noir | Bonte vliegenvanger | | |
| Moraceae | Ficus carica | Figuier | Vijgeboom | | |
| Cicadellidae | Fieberiella florii Fieberia | | | Privet Leafhopper, North American leafhopper | |
| Rosaceae | Filipendula ulmaria | Reine-des-prés, Spirée ulmaire | Moerasspirea | | |
| Fissidens bryoides | | Gezoomd vedermos | | |
| Fissidens crassipes | | Gewoon riviervedermos | | |
| Fissidens dubius | | Kalk-vedermos | | |
| Fissidens gracilifolius | | Kalksteenvedermos | | |
| Fissidens taxifolius | | Klei-vedermos | | |
| Fistulina hepatica | Langue-de-boeuf | Biefstukzwam | | |
| Flammulina velutipes | Collybie à pied velouté | Gewoon fluweelpootje | | |
| Flavoparmelia caperata | | Bosschildmos | | |
| Apiaceae | Foeniculum vulgare cv dulce | Fenouil | Venkel | | |
| Forficulidae | Forficula auricularia | Perce-oreille, Forficule | Europese oorworm | Common earwig | Gemeiner Ohrwurm |
| Formicidae | Formica fusca | | Zwarte renmier | | |
| Rosaceae | Fragaria vesca | Fraisier sauvage | Bosaardbei | | |
| Rosaceae | Fragaria x_ananassa | Fraisier cultivé | Cultuuraardbei | | |
| Rhamnaceae | Frangula alnus | Bourdaine | Sporkehout | | |
| Oleaceae | Fraxinus excelsior | Frêne commun | Gewone es | | |
| Fringillidae | Fringilla coelebs | Pinson des arbres | Vink | | |
| Fringillidae | Fringilla montifringilla | Pinson du nord | Keep | | |
| Frullania dilatata | | Helm-roestmos | | |
| Rallidae | Fulica atra | Foulque macroule | Meerkoet | | |
| Fumariaceae | Fumaria officinalis | Fumeterre officinale | Gewone duivekervel | | |
| Funaria hygrometrica | | Gewoon krulmos | | |
| Curculionidae | Furcipus rectirostris | | | | |
| Staphylinidae | Gabrius nigritulus | | | | |
| Staphylinidae | Gabrius osseticus | | | | |
| Staphylinidae | Gabrius pennatus | | | | |
| Staphylinidae | Gabrius piliger | | | | |
| Staphylinidae | Gabrius splendidulus | | | | |
| Staphylinidae | Gabrius subnigritulus | | | | |
| Staphylinidae | Gabrius trossulus | | | | |
| Staphylinidae | Gabronthus thermarum | | | | |
| Amaryllidaceae | Galanthus nivalis | Perce-neige | Sneeuwklokje | | |
| Lymnaeidae | Galba truncatula Lymnaea truncatula | | | | |
| Lamiaceae | Galeopsis tetrahit | Galéopsis tétrahit | Gewone hennepnetel | | |
| Asteraceae | Galinsoga parviflora | Galinsoga glabre | Kaal knopkruid | | |
| Asteraceae | Galinsoga quadriradiata | Galinsoga velu | Harig knopkruid | | |
| Rubiaceae | Galium aparine | Gaillet gratteron | Kleefkruid | | |
| Rubiaceae | Galium mollugo | Caille-lait blanc | Glad walstro | | Wiesen-Labkraut |
| Rubiaceae | Galium palustre | Gaillet des marais | Moeraswalstro | | |
| Rubiaceae | Galium saxatile | Gaillet du Harz | Liggend walstro | | |
| Rubiaceae | Galium verum | Gaillet jaune | Geel Walstro | | |
| Pyralidae | Galleria mellonella | Teigne de la cire | Wasmot | Wax moth | Wachsmotte |
| Scolopacidae | Gallinago gallinago | Bécassine des marais | Watersnip | | |
| Rallidae | Gallinula chloropus | Gallinule poule-d'eau | Waterhoen | | |
| Gammaridae | Gammarus pulex | Gammare | Beekvlokreeft | | Flohkrebs |
| Ganoderma lipsiense | Ganoderme aplani | Platte tonderzwam | | |
| Ganoderma lucidum | Ganoderme luisant | Gesteelde lakzwam | | |
| Corvidae | Garrulus glandarius | Geai des chênes | Vlaamse gaai | | Eichelhäher |
| Gasterosteidae | Gasterosteus aculeatus | Epinoche à trois épines | Driedoornige stekelbaars | | |
| Gasteruptiidae | Gasteruption sp | | | | |
| Chrysomelidae | Gastrophysa viridula | | Zuringhaantje | | |
| Staphylinidae | Gauropterus fulgidus | | | | |
| Geastrum triplex | Géastre à trois enveloppes | Gekraagde aardster | | |
| Opomyzidae | Geomyza sp | | | | |
| Geraniaceae | Geranium dissectum | Géranium découpé | Slipbladige ooievaarsbek | | |
| Geraniaceae | Geranium molle | Géranium mollet | Zachte ooievaarsbek | | |
| Geraniaceae | Geranium phaeum | Géranium livide | Donkere ooievaarsbek | | |
| Geraniaceae | Geranium pratense | Géranium des prés | Bermdooievaarsbek | | |
| Geraniaceae | Geranium pusillum | Géranium fluet | Kleine ooievaarsbek | | |
| Geraniaceae | Geranium pyrenaicum | Géranium des Pyrénées | Bermooievaarsbek | | |
| Geraniaceae | Geranium robertianum | Géranium herbe à Robert | Gewoon robertskruid | | |
| Gerridae | Gerris lacustris | Gerris lacustre | Schaatsenrijder | Water Strider | Wasserläufer |
| Rosaceae | Geum urbanum | Benoîte commune | Geel nagelkruid | | |
| Pterophoridae | Gillmeria ochrodactyla Platyptilia ochrodactyla | Ptérophore | | | |
| Lamiaceae | Glechoma hederacea | Lierre terrestre | Hondsdraf | | |
| Nitidulidae | Glischrochilus hortensis G. olivieri | | Schorsglanskever | | |
| Nitidulidae | Glischrochilus quadriguttatus G. quadrinotatus (S., 1793) | | | | Viergefleckter Glanzkäfer |
| Glossiphoniidae | Glossiphonia complanata | Sangsue, Clépsine | 6-ogige Clepsine, Egelbloedzuiger | | Bunt-Plattegel, Schneckenegel |
| Poaceae | Glyceria fluitans | Glycérie flottante | Mannagras | | |
| Poaceae | Glyceria maxima | Glycerie aquatique | Liesgras | | |
| Aphididae | Glyphina betulae | Sculpteur du Bouleau | | | |
| Asteraceae | Gnaphalium uliginosum | Gnaphale des mares | Moerasdroogbloem | | |
| Cyprinidae | Gobio gobio | Goujon | Riviergrondel | | |
| Pieridae | Gonepteryx rhamni | Citron | Citroenvlinder | | Zitronenfalter |
| Coreidae | Gonocerus acuteangulatus | Punaise des noisettes | | | |
| Gordiidae | Gordius sp | Ver de Gordius | Haarworm | | |
| Sphecidae | Gorytes sp | | | | |
| Cerambycidae | Grammoptera ruficornis G. atra | | Smalle bloembok | | Rothörniger Blütenbock |
| Cicadellidae | Graphocephala fennahi | Cicadelle du rhododendron | Rododendroncicade | | |
| Muscidae | Graphomya maculata | Graphomyie tachetée | | | |
| Stenopsocidae | Graphopsocus cruciatus | Pou des arbres | | | |
| Pentatomidae | Graphosoma lineatum Graphosoma italicum | Punaise arlequin | Roodzwarte streepwants, Pyjamawants | | Streifenwanze |
| Grimmia pulvinata | | Gewoon muisjesmos | | |
| Gryllotalpidae | Gryllotalpa gryllotalpa | Courtilière | Veenmol | | Maulwurfsgrille |
| Miridae | Grypocoris sexguttatus Calocoris, Lophyromiris | | | | |
| Geometridae | Gymnoscelis rufifasciata | Phalène de l'olivier | Zwartkamdwergspanner | Double-striped Pug | Ölbaumspanner |
| Tachinidae | Gymnosoma sp | Gymnosome | Sluipvlieg | | |
| Gymnosporangium sabinae | Rouille grillagée du poirier | Perenvuur | | |
| Staphylinidae | Gymnusa variegata | | | | |
| Planorbidae | Gyraulus albus | | | | |
| Gyrinidae | Gyrinus sp | | Schrijverke | | |
| Staphylinidae | Gyrohypnus fracticornis | | | | |
| Staphylinidae | Gyrophaena fasciata | | | | |
| Staphylinidae | Habrocerus capillaricornis | | | | |
| Drepanidae | Habrosyne pyritoides | | | | |
| Tabanidae | Haematopota pluvialis | Taon des pluies | Regendaas | Notch-horned Cleg | |
| Hirudinidae | Haemopis sanguisuga | Sangsue | Onechte paardenbloedzuiger | | |
| Limnephilidae | Halesus sp | | | | |
| Halictidae | Halictus tumulorum | | Parkbronsgroefbij | | |
| Haliplidae | Haliplus fluviatilis | | Watertreder | | |
| Coccinellidae | Halyzia sedecimguttata | Grande coccinelle orange | Meeldauwlieveheersbeestje | Orange ladybird | Sechzehnfleckiger Marienkäfer |
| Haplotaxidae | Haplotaxis gordioides | | | | |
| Coccinellidae | Harmonia axyridis | Coccinelle asiatique | Veelkleurig aziatisch lieveheersbeestje | | |
| Coccinellidae | Harmonia quadripunctata | Coccinelle arlequin | Harlekijnlieveheersbeestje | Cream-streaked ladybird | Vierpunktuger Marienkäfer |
| Carabidae | Harpalus affinis | Harpale bronzé | | | Metallfarbener Schnellläufer |
| Oecophoridae | Harpella forficella Orophia, =flavella, =majorella | | | | |
| Miridae | Harpocera thoracica | | | | Eichenwanze |
| Cecidomyiidae | Hartigiola annulipes | Galle du Hêtre | | | |
| Hebeloma crustuliniforme | Hébélome croûte de pain | Radijsvaalhoed | | |
| Hebeloma mesophaeum | Hébélome à centre sombre | Tweekleurige Vaalhoed | | |
| Hebeloma nigellum | | | | |
| Hebeloma pusillum | | Wilgevaalhoed | | |
| Hebridae | Hebrus ruficeps | | | | Zwergwasserläufer |
| Araliaceae | Hedera helix | Lierre grimpant | Klimop | | |
| Tortricidae | Hedya nubiferana | | | | |
| Chrysididae | Hedychrum nobile | Guêpe-coucou | Juweelwesp | | Sand-Goldwespe |
| Asteraceae | Helianthus annuus | Tournesol commun, grand soleil | Gewone zonnebloem | | |
| Asteraceae | Helianthus rigidus | Hélianthe vivace | Stijve aardpeer | | |
| Apiaceae | Helianthus sp | Tournesol | Zonnebloem | | |
| Asteraceae | Helianthus tuberosus | Topinambour | Aardpeer | | |
| Salticidae | Heliophanus sp | | | | |
| Helicidae | Helix pomatia | Escargot de Bourgogne | Wijngaardslak | | Weinbergschnecke |
| Ranunculaceae | Hellebore foetida | Hellébore fétide | Stinkend nieskruid | | |
| Syrphidae | Helophilus pendulus | Hélophile suspendu | Gewone pendelvlieg | Hoverfly | Gemeine Sonnenschwebfliege |
| Syrphidae | Helophilus trivittatus H. parallelus | Hélophile à bandes grises | Citroenpendelvlieg | | |
| Hemerobiidae | Hemerobius humulinus | | Bruine gaasvlieg | | |
| Elateridae | Hemicrepidius niger | Taupin | | | |
| Geometridae | Hemithea aestivaria | Phalène sillonnée | Kleine zomervlinder | | |
| Apiaceae | Heracleum mantegazzianum | Berce du Caucase | Reuzenberenklauw | | |
| Apiaceae | Heracleum sphondylium | Berce commune | Gewone berenklauw | | |
| Megachilidae | Heriades truncorum | | Tronkenbij | | Löcherbiene |
| Lygaeidae | Heterogaster urticae | Punaise des Orties | | Nettle Groundbug | |
| Miridae | Heterotoma planicornis | | Breedsprietwants | | Dickfühlerweichwanze |
| Malvaceae | Hibiscus sp | Hibiscus | Hibiscus, Chinese roos | | |
| Asteraceae | Hieracium aurianticum | Epervière orangée | Oranje havikskruid | | |
| Asteraceae | Hieracium bauhinii | Epervière de Bauhin | Bauhins havikskruid | | Bauhins Habischtskraut |
| Asteraceae | Hieracium lachenalii | Epervière vulgaire | Dicht havikskruid | | |
| Asteraceae | Hieracium laevigatum | Epervière lisse | Stijf havikskruid | | |
| Asteraceae | Hieracium pilosella | Epervière piloselle | Muizeoor | | |
| Asteraceae | Hieracium sabaudum | Epervière de Savoie | Boshavikskruid | | |
| Asteraceae | Hieracium umbellatum | Epervière en ombelle | Schermhavikskruid | | |
| Nabidae | Himacerus apterus | | | | |
| Nabidae | Himacerus major Anaptus major | | | | |
| Nabidae | Himacerus mirmicoides | | Mierenroofwants | | |
| Coccinellidae | Hippodamia variegata | Coccinelle des friches | Ruigtelieveheersbeestje | Adonis' ladybird | Variabeler Flach-Marienkäfer |
| Sylviidae | Hippolais icterina Grand Contrefaisant | Hypolaïs ictérine | Spotvogel | Icterine warbler | Gelbspötter |
| Elaeagnaceae | Hippophae rhamnoides | Argousier | Duindoorn | | |
| Hippuridaceae | Hippuris vulgaris | Pesse d'eau | Lidsteng | | |
| Hirneola auricula-judae Auricularia | Oreille de Judas | Echt judasoor | | |
| Brassicaceae | Hirschfeldia incana | Roquette bâtarde | Grijze mosterd | | |
| Hirundinidae | Hirundo rustica | Hirondelle rustique | Boerenzwaluw | | |
| Chrysomelidae | Hispa atra | | | | Schwarzer stachelkäfer, Igelkäfer |
| Pentatomidae | Holcostethus vernalis H. strictus, Peribalus | | | | |
| Poaceae | Holcus lanatus | Houlque laineuse | Gestreepte witbol | | |
| Poaceae | Holcus mollis | Houlque molle | Gladde Witbol | | |
| Pholcidae | Holocnemus pluchei | Araignée de Pluche | Marmertrilspin | Pholcid, marbled cellar spider | |
| Staphylinidae | Homalota plana | | | | |
| Homalothecium sericeum | | Zijdemos | | |
| Hominidae | Homo sapiens | Membre actif CEBE | Actief MOB-lid | | |
| Scarabaeidae | Hoplia philanthus Decamera farinosa, H. ramburi | Hoplie | Sallandkever, Hopliakever | June beetle | Blatthornkaefer, Silbriger Purzelkäfer |
| Noctuidae | Hoplodrina ambigua plantaginis | | Zuidelijke stofuil | Vine's Rustic | |
| Poaceae | Hordeum distichon | Orge d'été, orge platte | Chevvaliergeest | | |
| Poaceae | Hordeum murinum | Orge queue-de-rat | Kruipertje, Muizengerst | | |
| Poaceae | Hordeum sp | Orge sp. | Kruipertje, Gerst | | |
| Poaceae | Hordeum vulgare | Orge à 6 rangs, escourgeon | Zesrijige gerst | | |
| Cannabaceae | Humulus lupulus | Houblon | Hop | | |
| Liliaceae | Hyacinthoides non-scripta | Jacynthe des bois | Wilde hyacint | | |
| Geometridae | Hydria undulata Rheumaptera undulata | Phalène ondulée | Gegolfde Spanner | | |
| Hydrophilidae | Hydrobius fuscipes | | Roodpootwatertor | | |
| Hydrometridae | Hydrometra stagnorum | Hydromètre | Vijverloper | | |
| Hydrophilidae | Hydrophilus sp | Hydrophile | Watertor | | |
| Hydropsychidae | Hydropsyche sp | | | | |
| Hygrocybe conica | Hygrophore conique | Zwartwordende wasplaat | | |
| Hygrocybe glutinipes glutinipes Hygrocybe aurantioviscida Arn. | | Kleverige wasplaat | | |
| Hygrocybe pratensis | Hygrophore des prés | Weidewasplaat | | |
| Hygrocybe psittacina | Hygrophore perroquet | Papagaizwammetje | | |
| Hygrocybe unguinosa | Hygrophore baveux | Grauwe wasplaat | | |
| Hygrocybe virginea | Hygrophore blanc | Gewoon sneeuwzwammetje | | |
| Staphylinidae | Hygronoma dimidiata | | | | |
| Colletidae | Hylaeus annularis | | Brilmaskerbij | | |
| Colletidae | Hylaeus brevicornis | | Kortsprietmaskerbij | | |
| Colletidae | Hylaeus communis | | Gewone Maskerbij | | |
| Colletidae | Hylaeus confusus | | Poldermaskerbij | | |
| Colletidae | Hylaeus hyalinatus | | Tuinmaskerbij | | |
| Colletidae | Hylaeus pictipes | | Kleine Tuinmaskerbij | | |
| Colletidae | Hylaeus punctulatissimus | | Lookmaskerbij | | |
| Colletidae | Hylaeus signatus H. bipunctatus | Abeille masquée | Resedamaskerbij | | |
| Hymenochaete rubiginosa | | Roestkleurige borstelzwam | | |
| Noctuidae | Hypena proboscidalis | Noctuelle à museau | Bruine snuituil | Snout | Nessel-Schnabeleule |
| Noctuidae | Hypena rostralis | Noctuelle à museau | Hopsnuituil | Buttoned snout | Hopfen-Schnabeleule |
| Hypericaceae | Hypericum cf calycinum | Millepertuis calycinum | Hertshooi, Sint-Janskruid | | |
| Hypericaceae | Hypericum perforatum | Millepertuis perforé | Sint-Janskruid | | |
| Hypericaceae | Hypericum tetrapterum | Millepertuis à 4 ailes | Gevleugeld hertshooi | | |
| Hypholoma fasciculare | Hypholome en touffes | Gewone zwavelkop | | |
| Hypnum cupressiforme | | Gewoon klauwtjesmos | | |
| Asteraceae | Hypochoeris radicata | Porcelle enracinée | Gewoon Biggekruid | | |
| Hypogymnia physodes | | Witkopschorsmos | | |
| Linyphiidae | Hypomma sp | | Moerasknobbelkopje | | |
| Hypoxylon fragiforme | | Roestbruine kogelzwam | | |
| Lamiaceae | Hyssopus officinalis | Hysope | Hyssop | | |
| Cicadellidae | Iassus scutellaris | | | | |
| Ichneumonidae | Ichneumon xanthorius | | | | |
| Geometridae | Idaea aversata griseocorsa, lividata, ... | Ruban ondulé, Impolie | Grijze stipspanner | | |
| Geometridae | Idaea dimidiata scutulata | Phalène écussonnée | Vlekstipspanner | | |
| Geometridae | Idaea inquinata I. herbariata | | Roestige stipspanner | Rusty Wave | Heu-Zwergspanner |
| Geometridae | Idaea muricata | Phalène de l'aurore | Geelpurperen Spanner | | |
| Geometridae | Idaea seriata I. incanata, australis | | Paardenbloemspanner | Small dusty wave | Grauer Zwergspanner |
| Cicadellidae | Idiocerus stigmaticalis I. adustus, I. latifrons | | | | |
| Aquifoliaceae | Ilex aquifolium | Houx | Hulst | Holly | |
| Naucoridae | Ilyocoris cimicoides | Naucore punaise | | | |
| Balsaminaceae | Impatiens parviflora | Balsamine à petites fleurs | Klein springzaad | | |
| Nymphalidae | Inachis io | Paon du jour | Dagpauwoog | | Tagpfauenauge |
| Inocybe geophylla | Inocybe à lames terreuses | Satijnvezelkop | | Erdblättriger Risspilz |
| Inocybe hirtella | | Amandelvezelkop | | |
| Asteraceae | Inula helenium | Grande Inule | Griekse alant | | |
| Iridaceae | Iris pseudacorus | Iris jaune | Gele lis | | |
| Oedemeridae | Ischnomera cyanea Asclera graeca | | | | |
| Coenagrionidae | Ischnura elegans | Agrion élégant | Lantaarntje | Blue-tailed damselfly | Große Pechlibelle |
| Syrphidae | Ischyrosyrphus glaucius | | | | |
| Gelechiidae | Isophrictis striatella I. tanacetella | | | | |
| Issidae | Issus coleoptratus Archissus | Cigale bossue | | | Echte Käferzikade |
| Cecidomyiidae | Iteomyia capreae | | | | |
| Juglandaceae | Juglans regia | Noyer royal | Okkernoot | | |
| Juncaceae | Juncus acutiflorus | Jonc à tépales aigus | Veldrus | | |
| Juncaceae | Juncus articulatus | Jonc à fruits luisants | Zomprus | | |
| Juncaceae | Juncus bufonius | Jonc des crapauds | Greppelrus | | |
| Juncaceae | Juncus conglomeratus | Jons aggloméré | Biezenknoppen | | |
| Juncaceae | Juncus effusus | Jonc épars | Pitrus | | |
| Juncaceae | Juncus inflexus | Jonc glauque | Zeegroene rus | | |
| Juncaceae | Juncus tenuis | Jonc grêle | Tengere rus | | |
| Cupressaceae | Juniperus sp | Genévrier | Jeneverbes | | |
| Picidae | Jynx torquilla | Torcol | Draaihals | Wryneck | |
| Onychiuridae | Kalaphorura burmeisteri | | | | |
| Cecidomyiidae | Kiefferia pericarpiicola Kiefferia pimpinelae | | | | |
| Lygaeidae | Kleidocerys privignus | | | | |
| Lygaeidae | Kleidocerys resedae Kleidocera resedae | Punaise des chatons du bouleau | | | |
| Dipsacaceae | Knautia arvensis | Knautie des champs | beemdkroon | | |
| Kuehneola uredinis | Rouille | Bramenroest | | |
| Cicadellidae | Kybos populi | | | | |
| Fabaceae | Laburnum anagyroides | Cytise faux-ébenier | Goudenregen | | |
| Noctuidae | Lacanobia oleracea Mamestra oleracea, Diataraxia | Noctuelle potagère | Groente-uil | Bright-line Brown-eye | Gemüseeule |
| Laccaria amethystina | Laqué améthyste | Amethistzwam | | |
| Laccaria laccata | Clitocybe laqué | Gewone fopzwam | | |
| Laccaria proxima | Laccaire de Moeller | Schubbige fopzwam | | |
| Hydrophilidae | Laccobius sp | | | | |
| Lacertidae | Lacerta vivipara | Lézard vivipare | Levendbarende hagedis | | |
| Phalangiidae | Lacinius ephippiatus | Opilion | | | |
| Lacrymaria lacrymabunda | Lacrymaire velouté | Tranende franjehoed | | |
| Lactarius blennius | Lactaire muqueux | Grijsgroene melkzwam | | |
| Lactarius glyciosmus | Lactaire à odeur de noix de coco | Kokosmelkzwam | | |
| Lactarius pubescens | Lactaire pubescent | Donzige melkzwam | | |
| Lactarius quietus | Lactaire tranquille | Kaneelkleurige melkzwam | | |
| Lactarius torminosus | Lactaire à toison | Baardige melkzwam | | |
| Asteraceae | Lactuca serriola | Laitue scariole | Kompassla | | |
| Carabidae | Laemostenus terricola | | | | |
| Laetiporus sulphureus | Polypore soufré | | | |
| Tenebrionidae | Lagria hirta | | Ruigkever, Wolkever | | Gemeiner Wollkäfer |
| Lamiaceae | Lamium album | Lamier blanc | Witte dovenetel | | |
| Lamiaceae | Lamium amplexicaule | Lamier amplexicaule | Hoenderbeet | | |
| Lamiaceae | Lamium galeobdolon | Lamier jaune | Gele dovenetel | | |
| Lamiaceae | Lamium purpureum | Lamier pourpre | Paarse dovenetel | | |
| Lampyridae | Lampyris noctiluca | Ver luisant | Gewone glimworm | | |
| Langermannia gigantea | Vesse de loup géante | Reuzenbovist | | |
| Sphingidae | Laothoe populi | Sphinx du peuplier | Populierenpijlstaart | Poplar Hawk-moth | Pappelschwärmer |
| Asteraceae | Lapsana communis | Lampsane commune | Akkerkool | | |
| Araneidae | Larinioides sp | | | | |
| Curculionidae | Larinus planus | Larin du Chardon | | | |
| Curculionidae | Larinus turbinatus | | | | |
| Laridae | Larus argentatus | Goéland argenté | Zilvermeeuw | | |
| Laridae | Larus canus | Goéland cendré | Stormmeeuw | | |
| Laridae | Larus ridibundus | Mouette rieuse | Kokmeeuw / Lachmeeuw / Kapmeeuw | | |
| Lasiocampidae | Lasiocampa quercus | Bombyx du chêne | Hageheld | | |
| Halictidae | Lasioglossum calceatum | | Gewone Geurgroefbij | | |
| Halictidae | Lasioglossum fulvicorne | | Slanke Groefbij | | |
| Halictidae | Lasioglossum laticeps | | Breedkaakgroefbij | | |
| Halictidae | Lasioglossum lativentre | | Breedbuikgroefbij | | |
| Halictidae | Lasioglossum leucozonium | | Matte Bandgroefbij | | |
| Halictidae | Lasioglossum minutissimum | | Ingesnoerde Groefbij | | |
| Halictidae | Lasioglossum morio | | Langkopsmaragdgroefbij | | |
| Halictidae | Lasioglossum nitidiusculum | | Borstelgroefbij | | |
| Halictidae | Lasioglossum nitidulum | | Glimmende Smaragdgroefbij | | |
| Halictidae | Lasioglossum pauxillum | | Kleigroefbij | | |
| Halictidae | Lasioglossum punctatissimum | | Fijnstippelde Groefbij | | |
| Halictidae | Lasioglossum semilucens | | Halfglanzende Groefbij | | |
| Halictidae | Lasioglossum sexnotatum | | Zesvlekkige Groefbij | | |
| Halictidae | Lasioglossum sexstrigatum | | Gewone Franjegroefbij | | |
| Halictidae | Lasioglossum villosulum | | Biggenkruidgroefbij | | |
| Nymphalidae | Lasiommata megera | Satyre | Argusvlinder | | |
| Formicidae | Lasius flavus | Fourmi jaune | Gele meidemier | | |
| Formicidae | Lasius fuliginosus | | Houtmier | | |
| Formicidae | Lasius niger | Fourmi noire des prés | Wegmier | Small black ant | Schwarze Wiesenameise |
| Fabaceae | Lathyrus aphaca | Gesse sans feuilles | Naakte lathyrus | | |
| Fabaceae | Lathyrus latifolius | Gesse à larges feuilles | Brede lathyrus | | |
| Fabaceae | Lathyrus pratensis | Gesse des prés | Veldlathyrus | | |
| Fabaceae | Lathyrus tuberosus | Gesse tubéreuse, gland de terre | Aardaker | | |
| Lauriidae | Lauria cylindracea | | Genaveld tonnetje | | |
| Lamiaceae | Lavandula angustifolia | Lavande | Lavendel | | |
| Lecania erysibe | | Stofglimschoteltje | | |
| Lecanora dispersa | | Verborgen Schotelkorst | | |
| Lecanora muralis Protoparmeliopsis muralis | | Muurschotelkorst | | |
| Leccinum scabrum | Bolet rude | Gewone berkeboleet | | |
| Lecidella stigmatea | | Steenpurperschaaltje | | |
| Cicadellidae | Ledra aurita | Grand diable | Oorcicade | | |
| Poaceae | Leersia oryzoides | Faux-riz | Rijstgras | | |
| Cydnidae | Legnotus limbosus | | | | |
| Campanulaceae | Legousia speculum-veneris | Miroir de Vénus | Groot spiegelklokje | | |
| Carabidae | Leistus rufomarginatus | | | | |
| Lemnaceae | Lemna minor | Petite lentille d'eau | Klein kroos | | |
| Lemnaceae | Lemna minuta | Lentille d'eau minuscule | Dwergkroos | | |
| Lemnaceae | Lemna trisulca | Lentille d'eau à trois lobes | Puntkroos | | |
| Lamiaceae | Leonorus cardiaca | Agripaume | Hartgespan | | |
| Asteraceae | Leontodon autumnalis | Leontodon d'automne, Liondent à tige nue | Vertakte leeuwentand, Herfstleeuwetand | | Herbstlöwenzahn |
| Asteraceae | Leontodon saxatilis | Thrincie | Thrincia | | Nickender Löwenzahn |
| Brassicaceae | Lepidium ruderale | Passerage rudérale | Steenkruidkers | | |
| Brassicaceae | Lepidium sativum | Cresson alénois | Tuinkers | | |
| Brassicaceae | Lepidium virginicum | Passerage de Virginie | Amerikaanse kruidkers | | |
| Lepiota cristata | Lepiote crêtée | Stinkparasolzwam | | |
| Lepiota subincarnata | | Vaalrozeparasolzwam | | |
| Lepista nuda | Pied bleu | Paarse schijnridderzwam | | |
| Lepraria incana | | Gewone poederkorst | | |
| Staphylinidae | Leptacinus othioides | | | | |
| Staphylinidae | Leptacinus pusillus | | | | |
| Chrysomelidae | Leptinotarsa decemlineata | Doryphore | Coloradokever | | |
| Leptodyctium riparium Amblystegium riparium | | Beekmos | | |
| Tettigoniidae | Leptophyes punctatissima | Sauterelle ponctuée | Struiksprinkhaan | Speckled Bush Cricket | |
| Miridae | Leptopterna dolabrata | | | Meadow plant bug | |
| Staphylinidae | Leptusa fumida | | | | |
| Leporidae | Lepus europaeus | Lièvre d'Europe | Haas | | |
| Lestidae | Lestes sponsa | Leste fiancé | Gewone pantserjuffer | | |
| Lestidae | Lestes viridis | Leste vert | Houtpantserjuffer | | |
| Staphylinidae | Lesteva heeri | | | | |
| Staphylinidae | Lesteva longoelytrata | | | | |
| Asteraceae | Leucanthemum vulgare | Grande Margueritte | Margriet | | |
| Apiaceae | Levisticum officinale | Livèche | Selder, Maggi, Lavas | | |
| Libellulidae | Libellula depressa | Libellule déprimée | Platbuik | Broad-bodied chaser | |
| Libellulidae | Libellula quadrimaculata | Libellule à quatre taches | Viervlek | | |
| Oleaceae | Ligustrum ovalifolium | Troène des haies | Haagliguster | | |
| Oleaceae | Ligustrum vulgare | Troène commun | Wilde Liguster | | |
| Chrysomelidae | Lilioceris lilii | Criocère du Lys | Leliehaantje | | Lilienhähnchen |
| Limacidae | Limax maximus | | Grote Aardslak | | |
| Limnephilidae | Limnephilus sp | Phrygane | Schietmot (Kokerjuffer) | Caddis | Köcherfliegen |
| Curculionidae | Limnobaris sp | | | | |
| Tubificidae | Limnodrilus sp | | | | |
| Scrophulariaceae | Linaria vulgaris | Linaire commune | Vlasbekje | | |
| Cicadellidae | Linnavuoriana sexmaculata | | | | |
| Linaceae | Linum usitatissimum | Lin cultivé | Gekweekt vlas | | |
| Linyphiidae | Linyphia triangularis | Tisserand triangle | Herfsthangmatspin | | |
| Miridae | Liocoris tripustulatus | | Brandnetelwants | | |
| Liocranidae | Liocranum sp | | | | |
| Staphylinidae | Liogluta microptera | | | | |
| Curculionidae | Liophloeus tesselatus Gastrodus, Oligocys | Liophloeus mosaïque | | | Gewürfelter Staubrüssler |
| Agromyzidae | Liriomyza amoena | | | | |
| Agromyzidae | Liriomyza eupatorii Liriomyza orbitella | | | | |
| Agromyzidae | Liriomyza strigata Liriomyza pumila | | | | |
| Salamandridae | Lissotriton vulgaris Triturus vulgaris | Triton ponctué | Kleine watersalamander | | |
| Ichneumonidae | Listrodromus nycthemerus | | | | |
| Lithobiidae | Lithobius crassipes | | | | |
| Lithobiidae | Lithobius melanops | | | | |
| Lithobiidae | Lithobius sp | Lithobie | Gewone duizendpoot | | |
| Staphylinidae | Lithocharis nigriceps | | | | |
| Staphylinidae | Lobrathium multipunctum | | | | |
| Poaceae | Lolium multiflorum | Ray-grass d'Italie | Italiaans raaigras | | |
| Poaceae | Lolium perenne | Ivraie vivace, Ray-grass commun | Engels raaigras | | |
| Geometridae | Lomaspilis marginata | Marginée | Gerande Spanner | | |
| Chrysomelidae | Longitarsus sp | Altise | | | |
| Caprifoliaceae | Lonicera peryclymenum | Chèvrefeuille des bois | Tuinkamperfoelie | | |
| Caprifoliaceae | Lonicera sp | Chèvrefeuille | Kamperfoelie | | |
| Lophocolea bidentata | | Gewoon kantmos | | |
| Lophocolea heterophylla | | Gedrongen kantmos | | |
| Fabaceae | Lotus corniculatus | Lotier corniculé, Pied-de-poule | Gewone rolklaver | | |
| Fabaceae | Lotus pedonculatus | Lotier des fanges | Moerasrolklaver | | |
| Psilidae | Loxocera aristata | | | | |
| Lumbricidae | Lumbricus terrestris | Ver de terre | Regenworm, Aardworm | | Regenwurm |
| Brassicaceae | Lunaria annua | Monnaie du pape | Tuinjudaspenning | | |
| Lunularia cruciata | | Halvemaantjesmos | | |
| Muscicapidae | Luscinia megarhynchos | Rossignol philomèle | Nachtegaal | | |
| Juncaceae | Luzula campestris | Luzule champêtre | Veldbies | | Feld-Hainsimse |
| Lycaenidae | Lycaena phlaeas | Le bronzé, Cuivré commun | Kleine Vuurvlinder | | |
| Caryophyllaceae | Lychnis flos-cuculi | Lychnis fleur-de-coucou | Echte koekoeksbloem | | |
| Lycogala epidendron | Lait de loup | Gewone boomwrat | | |
| Lycoperdon pyriforme | Vesse de loup en forme de poire | Peervormige stuifzwam | | |
| Lamiaceae | Lycopus europaeus | Lycope | Wolfspoot | | |
| Miridae | Lygocoris pabulinus | | | | |
| Miridae | Lygus gemellatus | | | | |
| Miridae | Lygus pratensis | | | | Gemeine Wiesenwanze |
| Miridae | Lygus rugulipennis | | | | |
| Miridae | Lygus sp | | | | |
| Lymantriidae | Lymantria dispar Porthetria dispar | Bombyx disparate | Plakker | Gypsy Moth | Schwammspinner |
| Lymantriidae | Lymantria monacha | Nonne | Nonvlinder | | |
| Lymnaeidae | Lymnaea stagnalis | | | | |
| Scolopacidae | Lymnocryptes minimus | Bécassine sourde | Bokje | Jack Snipe | |
| Lyonetiidae | Lyonetia clerkella | | | | |
| Lyophyllum connatum | Lyophylle conné | Witte bundelridderzwam | | |
| Lyophyllum decastes | Tricholome agrégé | Bruine bundelridderzwam | | |
| Primulaceae | Lysimachia nummularia | Lysimaque nummulaire, arbre aux écus | Penningkruid | | |
| Primulaceae | Lysimachia punctata | Lysimaque ponctuée | Puntwederik | | |
| Primulaceae | Lysimachia vulgaris | Lysimaque commune | Grote wederik | | |
| Lythraceae | Lythrum salicaria | Salicaire commune | Grote kattenstaart | | |
| Noctuidae | Macdunnoughia confusa | | Getekende gamma-uil | | |
| Sphingidae | Macroglossum stellatarum | Moro-sphinx, l'Oiseau-mouche | Kolibrievlinder, Meekrapvlinder | Humming-bird Hawk-moth | |
| Macrolepiota rhacodes | Lépiote déguenillée | Knolparasolzwam | | |
| Tenthredinidae | Macrophya annulata | | | | |
| Tenthredinidae | Macrophya montana | | | | |
| Cicadellidae | Macropsis scutellata | | | | |
| Cicadellidae | Macrosteles laevis | | | | |
| Cicadellidae | Macrosteles sexnotatus | | | | |
| Cicadellidae | Macrosteles viridigriseus | | | | |
| Berberidaceae | Mahonia aquifolium | Mahonia, faux houx | Mahonia | | |
| Malachiidae | Malachius bipustulatus | Malachie à deux points | Roodtip Basterdweekschild | Malachite Beetle | Zweifleckiger Zipfelkäfer |
| Limacidae | Malacolimax tenellus | Limace jaune des bois, Limace gélatineuse | Tere Aardslak | | |
| Malaceae | Malus sylvestris | Pommier sauvage | Wilde appel | | |
| Malaceae | Malus sylvestris Joseph Musch | Pommier Joseph Musch | Joseph Musch-Appel | | Joseph Musch-Apfelbaum |
| Malaceae | Malus sylvestris Président Roulin | Pommier Président Roulin | President Roulin-Appel | | Président Roulin Apfelbaum |
| Malaceae | Malus sylvestris Gris Brabant | Pommier Gris Brabant | Gris Brabant-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris Reinette de Blenheim | Pommier Reinette de Blenheim | Goudrein.van Bleinheim-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris Cwastresse double | Pommier Cwastresse double | Cwastresse double-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris Godivert | Pommier Godivert | Godivert-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris Reinette de Hernant | Pommier Reinette de Hernant | Reinette de Hernant-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris Grenadier | Pommier Grenadier | Grenadier-Appel | | Apfelbaum |
| Malaceae | Malus sylvestris La Paix | Pommier La Paix | La Paix-Appel | | Apfelbaum La Paix |
| Malaceae | Malus sylvestris Radoux | Pommier Radoux | Radoux-Appel | | Apfelbaum Radoux |
| Malaceae | Malva moschata | Mauve musquée | Muskuskaasjeskruid | | |
| Malvaceae | Malva neglecta | Mauve à feuilles rondes | Klein kaasjeskruid | | |
| Malvaceae | Malva sylvestris | Mauve sauvage | Groot kaasjeskruid | | |
| Noctuidae | Mamestra brassicae | Noctuelle du chou | Koolmot, Kooluil | Cabbage Moth | Kohleule |
| Araneidae | Mangora acalypha | Mangore petite bouteille | Driestreepspin | | |
| Nymphalidae | Maniola jurtina | Myrtil | Bruin Zandoogje | Meadow Brown | |
| Marasmius oreades | Faux mousseron | Weidekringzwam | | |
| Marasmius rotula | Marasme petite roue | Wieltje | | |
| Marchantia polymorpha | | Parapluutjesmos | | |
| Salticidae | Marpissa muscosa | | Schorsmarpissa | | |
| Asteraceae | Matricaria discoidea | Matricaire discoïde | Schijfkamille | | |
| Asteraceae | Matricaria maritima | Matricaire inodore | Reukeloze kamille | | |
| Asteraceae | Matricaria recutita | Matricaire camomille, petite C. | Echte kamille | | |
| Tettigoniidae | Meconema meridionale | Méconème fragile | Zuidelijke boomsprinkhaan | | |
| Tettigoniidae | Meconema thalassinum | Sauterelle des chênes ; Méconème tambourinaire | Boomsprinkhaan | Drumming Katydid; Oak Bush Cricket | Gemeine Eichenschrecke |
| Fabaceae | Medicago arabica | Luzerne tachée | Gevlekte rupsklaver | | Arabischer Schneckenklee |
| Fabaceae | Medicago falcata | Luzerne en faucille | Sikkelklaver | | |
| Fabaceae | Medicago lupulina | Luzerne lupuline, Minette | Hopklaver | | |
| Fabaceae | Medicago sativa | Luzerne commune | Luzerne | | |
| Fabaceae | Medicago X varia | Luzerne bâtarde | Bonte luzerne | | |
| Megachilidae | Megachile centuncularis | Mégachile du rosier | Tuinbladsnijderbij | | Rosen-Blattschneiderbiene |
| Megacollybia platyphylla | Collybie à lames larges | Breedplaatstreephoed | | |
| Staphylinidae | Megalinus glabratus | | | | |
| Miridae | Megalocoleus tanaceti Macrocoleus tanaceti | | | | |
| Delphacidae | Megamelus notula | | | | |
| Staphylinidae | Megarthrus denticollis | | | | |
| Staphylinidae | Megarthrus depressus | | | | |
| Staphylinidae | Megarthrus sinuatocollis | | | | |
| Melampsora caprearum | Rouille | | | |
| Melampsora cf salicis-albae | Rouille | | | |
| Melampsora larici-populina | Rouille du Peuplier | Lork-Populierroest | | |
| Noctuidae | Melanchra persicariae | Polygonière | Perzikkruiduil | | |
| Syrphidae | Melangyna umbellatarum | | Elfje | | |
| Ichneumonidae | Melanichneumon sp | | | | |
| Lygaeidae | Melanocoryphus albomaculatus | | | | Weißpunkt-Bodenwanze |
| Melanoleuca grammopodia | Melanoleuca à pied strié | Streepsteelveldridderzwam | | |
| Syrphidae | Melanostoma mellinum | | Gewone driehoekzweefvlieg | | |
| Syrphidae | Melanostoma scalare | | Slanke driehoekzweefvlieg | | Matte Schwarzkopfschwebfliege |
| Elateridae | Melanotus villosus Melanotus rufipes | | | | |
| Chrysomelidae | Melasoma populi | Chrysomèle du peuplier | Groot populierenhaantje | | |
| Melastiza chateri | | Korthaarschijfje | | |
| Nitidulidae | Meligethes aeneus | Méligèthe du colza | Koolzaadglanskever | | |
| Nitidulidae | Meligethes sp | | | | |
| Fabaceae | Melilotus albus | Mélilot blanc | Witte honingklaver | | |
| Fabaceae | Melilotus officinalis | Mélilot officinal | Citroengele honingklaver | | |
| Lamiaceae | Melissa officinalis | Mélisse | Citroenmelisse | | |
| Melittidae | Melitta nigricans | | Kattenstaartdikpoot | | |
| Melittidae | Melitta tricincta | | Ogentroostdikpoot | | |
| Scarabaeidae | Melolontha melolontha | Hanneton commun | Meikever | | |
| Lamiaceae | Mentha aquatica | Menthe aquatique | Watermunt | | |
| Lamiaceae | Mentha spicata | Menthe verte | Groene munt | | |
| Lamiaceae | Mentha suaveolens | Menthe à feuilles rondes | Witte munt | Round-leaved mint | Rundblättrige Minze |
| Lamiaceae | Mentha x_villosa alopecuroides | Menthe | Munt | | |
| Staphylinidae | Meotica exilis | | | | |
| Staphylinidae | Meotica sp | | | | |
| Euphorbiaceae | Mercurialis annua | Mercuriale annuelle | Tuinbingelkruid | | |
| Enidae | Merdigera obscura | | Donkere torenslak | | |
| Meripilus giganteus | Polypore géant | Reurenzwam | | |
| Meruliopsis corium | Mérule papyracée | Papierzwammetje | | |
| Noctuidae | Mesapamea sp | | Halmrupsvlinder of Weidehalmuiltje | (Lesser) Common Rustic | |
| Noctuidae | Mesoligia furuncula bicoloria | | Zandhalmuiltje | Cloaked Minor | |
| Salamandridae | Mesotriton alpestris Triturus alpestris | Triton alpestre | Alpenwatersalamander | | |
| Malaceae | Mespilus germanica | Néflier | Mispel | | |
| Metatrichia vesparia | | Gebundeld kelkpluisje | | |
| Berytidae | Metatropis rufescens | Punaise tipule | Heksenkruidsteltwants | | |
| Tetragnathidae | Metellina segmentata Meta segmentata | Méta d'automne | Herfstspin | | |
| Staphylinidae | Metopsia retusa | | | | |
| Metzgeria furcata | | Bleek boomvorkje | | |
| Staphylinidae | Microdota amicula | | | | |
| Hemerobiidae | Micromus variegatus | | Bruine gaasvlieg | | |
| Muridae | Micromys minutus Mus minutus | Rat des moissons | Dwergmuis | | Zwergmaus |
| Staphylinidae | Micropeplus fulvus | | | | |
| Staphylinidae | Micropeplus staphylinoides | | | | |
| Micropezidae | Micropeza corrigiolata | Micropèze à bandes | | | |
| Micropterigidae | Micropteryx aruncella | | | | |
| Microsphaera alphitoides | | | | |
| Microsphaera trifolii | | | | |
| Veliidae | Microvelia pygmea | Petit Vélia | | | |
| Poaceae | Milium effusum | Millet des bois | Bosgierstgras | | |
| Miridae | Miris striatus | | | | |
| Thomisidae | Misumena vatia | Misumène | Gewone Kameleonspin | | |
| Phalangiidae | Mitopus sp | | | | |
| Mnium hornum | | Gewoon sterrenmos | | |
| Staphylinidae | Mocyta fungi | | | | |
| Staphylinidae | Mocyta orphana | | | | |
| Caryophyllaceae | Moehringia trinervia | Méringie trinerviée | Drienerfmuur | | |
| Momphidae | Mompha langiella | | | | |
| Momphidae | Mompha ochraceella | | | | |
| Hygromiidae | Monacha cantiana | | Kustslak | | |
| Curculionidae | Mononychus punctumalbum Mononychus pseudacori | | Lissnuitkever | | Weißpunktiger Schwertlilienrüssler |
| Tineidae | Monopis sp Blabophanes | | | | |
| Morchella esculenta | Morille grise | Gewone morielje | | |
| Mordellidae | Mordellistena humeralis | | | | |
| Mordellidae | Mordellochroa abdominalis M. bicolor, nigra, ventralis | | | | |
| Moraceae | Morus nigra | Mûrier noir | Zwarte moerbei | | |
| Motacillidae | Motacilla alba | Bergeronnette grise | Witte kwikstaart | | |
| Motacillidae | Motacilla cinerea | Bergeronnette des ruisseaux | Grote gele kwikstaart | Grey Wagtail | |
| Motacillidae | Motacilla flava | Bergeronnette printanière | Gele kwikstaart | | |
| Mucilago crustacea crustacea | Mucus croûté | Groot Kalkschuim | | |
| Muridae | Mus domesticus | Souris domestique | Huismuis | | |
| Muscidae | Musca domestica | Mouche domestique | Huisvlieg | House fly | Große Stubenfliege |
| Liliaceae | Muscari armeniacum | Muscari d'Arménie | Langbladige druifhyacint | | |
| Muscicapidae | Muscicapa striata | Gobemouche gris | Grauwe vliegenvanger | | |
| Mustelidae | Mustela erminea | Hermine | Hermelijn | Stoat Ermine | Hermelin |
| Mustelidae | Mustela nivalis | Belette d'Europe | Wezel | | |
| Mustelidae | Mustela putorius | Putois d'Europe | Bunzing | | |
| Mustelidae | Mustela putorius | Furet | Fret | | |
| Mutinus caninus | Satyre des chiens | Kleine stinkzwam | | |
| Syrphidae | Myathropa florea | Eristale des Fleurs | Doodskopzweefvlieg | | |
| Mycena acicula | | Oranje dwergmycena | | |
| Mycena galericulata | Mycène en casque | Helmmycena | | |
| Mycena haematopus | Mycène à lait rouge | Grote bloedsteelmycena | | |
| Staphylinidae | Mycetoporus reicchei | | | | |
| Psittacidae | Myiopsitta monachus | Perriche jeune veuve, Conure veuve | Monniksparkiet | | |
| Staphylinidae | Myllaena brevicornis | | | | |
| Staphylinidae | Myllaena infuscata | | | | |
| Conopidae | Myopa sp | | | | |
| Tephritidae | Myopites apicatus | Galle de la Pulicaire | | | |
| Boraginaceae | Myosotis arvensis | Myosotis des champs | Akker-vergeet-mij-nietje | | |
| Boraginaceae | Myosotis laxa | Myosotis cespiteux | Zompvergeet-mij-niet | | |
| Boraginaceae | Myosotis scorpioides | Myosotis des marais | Moerasvergeet-mij-niet | | |
| Boraginaceae | Myosotis sp | Myosotis sp. | Vergeet-mij-nietje | | |
| Caryophyllaceae | Myosoton aquaticum | Malaquie, Stellaire aquatique | Watermuur | | |
| Vespertilionidae | Myotis daubentonii | Murin de Daubenton | Watervleermuis | | Wasserfledermaus |
| Vespertilionidae | Myotis myotis | Grand murin | Vale Vleermuis | | |
| Vespertilionidae | Myotis mystacinus | Murin à moustaches | Baardvleermuis | | |
| Haloragaceae | Myriophyllum spicatum | Myriophylle en épi | Aarvederkruid | | |
| Formicidae | Myrmica ruginodis | Fourmi rouge des bois | Bossteekmier | Red Ant | Knotenameisen |
| Leptoceridae | Mystacides azureus | | | | |
| Noctuidae | Mythimna pallens Aletia pallens | Nocutelle pâle | Bleke grasuil | | |
| Aphididae | Myzus cerasi Myzus pruni-avium | Puceron noir du cerisier | Zwarte kerseluis | Black cherry aphid | Schwarze Sauerkirschenblattlaus |
| Nabidae | Nabis rugosus | | | | |
| Amaryllidaceae | Narcissus pseudonarcissus | Jonquille | Wilde narcis | | |
| Brassicaceae | Nasturtium officinale | Cresson de fontaine | Witte waterkers | | |
| Nectria cinnabarina | | Gewoon meniezwammetje | | |
| Curculionidae | Nedyus quadrimaculatus | | | | Brennnesselrüssler |
| Staphylinidae | Nehemitropia sordida | | | | |
| Adelidae | Nematopogon swammerdamella N. reaumurella | | | | Gelber Langfühler |
| Tenthredinidae | Nematus ribesii Kontuniemiana, Pteronidea | Tentrède verte du groseillier | Bessenbladwesp | Gooseberry sawfly | Imported currantworm |
| Adelidae | Nemophora degeerella Adela degeerella | Coquille d'or | Geelbandlangsprietmot | | |
| Agromyzidae | Nemorimyza posticata | | | | |
| Stratiomyidae | Nemotelus pantherinus Geitonomyia albirostris | | | | |
| Syrphidae | Neoascia podagrica | | | | |
| Syrphidae | Neoascia tenur | | | | |
| Piophilidae | Neottiophilum praestrum | | | | |
| Nepidae | Nepa cinerea | Nèpe cendrée | Waterschorpioen | Water scorpion | |
| Tipulidae | Nephrotoma flavescens | | | | |
| Tipulidae | Nephrotoma sp | | Langpootmug | Tiger craneflie | |
| Linyphiidae | Neriene sp | | | | |
| Zonitidae | Nesovitrea hammonis Perpolita hammonis | | | | |
| Ichneumonidae | Netelia sp | | | | |
| Cynipidae | Neuroterus albipes | | | | |
| Cynipidae | Neuroterus numismalis | Galle bouton du Chêne | Satijnen knoopjesgal op eik | | |
| Cynipidae | Neuroterus quercusbaccarum | | | | GroBe linsengalle |
| Pamphiliidae | Neurotoma saltuum | Lyde du poirier | | Common web-spinning sawfly | Geselligen Birnen-Gespinstblattwespe |
| Pentatomidae | Nezara viridula | Punaise verte ponctuée | Groene stinkwants | Southern Green Stink Bug | |
| Silphidae | Nicrophorus vespilloides | | Gewone- of Krompootdoodgraver | Sexton Beetle | Gemeiner Totengräber |
| Ranunculaceae | Nigella damascena | Nigelle de Damas | Juffertje-in-het-groen | | |
| Dictynidae | Nigma walckenaeri Hederodyctina-; N. viridissima | Dictyne verte | Groen Kaardertje | Cribellate spider | Gruene Lauerspinne |
| Noctuidae | Noctua comes | Hulotte | Volgeling | Lesser Yellow Underwing | |
| Noctuidae | Noctua janthe | Casque | Open-breedbandhuismoeder | Lesser Broad-bordered Yellow Underwing | |
| Noctuidae | Noctua orbona | La suivante | Zwartpuntvolgeling | | |
| Noctuidae | Noctua pronuba | Fiancée, Hibou | Huismoeder, Hooivlinder | Large Yellow Underwing | Hausmutter |
| Apidae | Nomada sp | | Wespbij, Koekoeksbij | | |
| Crambidae | Nomophila noctuella | Pyrale de la luzerne | | Rush Veneer | |
| Nostoc sp | crachat du diable, cr. de la lune | | | |
| Dytiscidae | Noterus sp | | | | |
| Carabidae | Notiophilus biguttatus | | | | Zweifleckiger Laubkäfer |
| Tortricidae | Notocelia uddmanniana Epiblema uddmanniana | | | | |
| Notonectidae | Notonecta glauca | Notonecte | Gewoon bootsmannetje | | Rückenschwimmer |
| Notonectidae | Notonecta sp | Notonecte | | | |
| Miridae | Notostira elongata | | | | |
| Cicadellidae | Notus flavipennis | | | | |
| Cerambycidae | Oberea oculata | Obérée oculée | Tweeoog-wilgebok | Twin-spot longhorn beetle | Rothalsiger Weidenbock, Bunter Linienbock |
| Cecidomyiidae | Obolodiplosis robiniae | Cécidomyie gallicole du robinier | | Locust gall midge | |
| Cerambycidae | Obrium brunneum | | | | |
| Hesperiidae | Ochlodes sylvanus O. venatus, O. faunus | Sylvaine | Groot dikkopje | | |
| Noctuidae | Ochropleura plecta | | Haarbos | | |
| Pyralidae | Ocrasa glaucinalis Orthopygia | | | | |
| Staphylinidae | Ocypus sp | | | | |
| Scrophulariaceae | Odontites vernus | Odontite rouge | Rode ogentroost | | |
| Oedemeridae | Oedemera lurida | Oedémère | | | Grünlicher Scheinbockkäfer |
| Oedemeridae | Oedemera nobilis | Oedémère noble | Fraaie Schijnboktor | | Grüner Scheinbockkäfer |
| Acrididae | Oedipoda coerulescens O. fasciata, O. coerulescens | Oedipode bleue | Blauwvleugelsprinkhaan | Blue-winged Grasshopper | |
| Autostichidae | Oegoconia sp Clerogenes | | | | |
| Turdidae | Oenanthe oenanthe | Traquet motteux | Tapuit | | |
| Onagraceae | Oenothera biennis | Onagre bisannuel | Middelste teunisbloem | | |
| Onagraceae | Oenothera deflexa Oenothera parviflora | Onagre à petites fleurs | Kleine teunisbloem | | |
| Onagraceae | Oenothera glazioviana | Onagre à grandes fleurs | Grote teunisbloem | | |
| Onagraceae | Oenothera sp | Onagre | Teunisbloem | | |
| Phalacridae | Olibrus sp | | | | |
| Noctuidae | Oligia sp | | | Minor | |
| Oligoporus caesius | Polypore bleuté | Blauwe kaaszwam | | |
| Oligoporus stypticus | | Bittere kaaszwam | | |
| Staphylinidae | Oligota parva | | | | |
| Staphylinidae | Oligota pumilio | | | | |
| Staphylinidae | Oligota ruficornis | | | | |
| Staphylinidae | Omalium italicum | | | | |
| Staphylinidae | Omalium rivulare | | | | |
| Cicadellidae | Oncopsis sp | | | | |
| Miridae | Oncotylus punctipes | | | | |
| Muridae | Ondatra zibethicus | Rat musqué | Muskusrat | | |
| Oniscidae | Oniscus asellus | Cloporte brillant | Kelderpissebed | | Mauerassel |
| Scarabaeidae | Onthophagus nuchicornis | | | | Nackenhorniger Kotkäfer |
| Geometridae | Operophtera brumata | Chématobie, Phalène hiémale | Kleine Wintervlinder | Winter Moth | |
| Ichneumonidae | Ophion sp | | | | |
| Ophiostoma ulmi Ceratocystis ulmi | Maladie de l'orme | Iepenziekte | | |
| Carabidae | Ophonus cf puncticeps | Harpale | | | |
| Orchidaceae | Ophrys apifera | | Bijenorchis | | |
| Phalangiidae | Opilio canestrinii Opilio ravennae | | Gewone hooiwagen | | |
| Stratiomyidae | Oplodontha viridula Hoplodonta, Odontomyia | | | Common green colonel fly | |
| Opomyzidae | Opomyza florum | Mouche jaune des céréales | | Yellow cereal fly | |
| Opomyzidae | Opomyza germinationis | Opomyze des bougeons | | | |
| Entomobryidae | Orchesella cincta | | | | |
| Entomobryidae | Orchesella villosa | | | | |
| Chrysomelidae | Oreina cerealis | | Berggoudhaan | | |
| Lymantriidae | Orgyia antiqua | Orgye étoilée | Witvlakvlinder | Rusty Tussock Moth | Schlehenspinner |
| Lamiaceae | Origanum vulgare | Origan | Wilde Marjolein | | |
| Oriolidae | Oriolus oriolus | Loriot d'europe | Wielewaal | | |
| Anthocoridae | Orius laticollis | | | | |
| Anthocoridae | Orius majusculus | | | | |
| Anthocoridae | Orius niger | | | | |
| Anthocoridae | Orius vicinus | | | | |
| Liliaceae | Ornithogalum umbellatum | Ornithogale en ombelle, dame d'onze heures | Gewone vogelmelk | | |
| Hippoboscidae | Ornithomya avicularia | | | | |
| Libellulidae | Orthetrum cancellatum | Orthétrum réticulé | Gewone oeverlibel | | |
| Ichneumonidae | Orthopelma mediator | | | Robin's Pincusion gall wasp | Gemeine Rosenschlupfwespe |
| Miridae | Orthops basalis | | | | |
| Miridae | Orthops campestris | | | | |
| Noctuidae | Orthosia gothica | | Nunvlinder | Hebrew Character | |
| Noctuidae | Orthosia incerta | L'Inconstante | Variabele Voorjaarsuil | | |
| Orthotrichum affine | | Gewone haarmuts | | |
| Orthotrichum anomalum | | Gesteelde haarmuts | | |
| Orthotrichum diaphanum | | Grijze haarmuts | | |
| Orthotrichum tenellum | | Slanke haarmuts | | |
| Leporidae | Oryctolagus cuniculus | Lapin de garenne | Konijn | | |
| Megachilidae | Osmia cornuta | l'Osmie cornue | Gehoornde metselbij | | |
| Megachilidae | Osmia rufa | Osmie rousse | Rosse Metselbij | | |
| Curculionidae | Otiorhynchus singularis | Otiorhynque à pattes couleur de poix | Gevlekte lapsnuitkever | Clay-coloured weevil | Brauner Lappenrüssler |
| Curculionidae | Otiorhynchus sulcatus | Otiorhynque de la vigne | Gegroefde lapsnuitkever, Taxuskever | Vine weevil | Gefurchter Dickmaulrüssler |
| Chrysomelidae | Oulema sp | | | | |
| Oxalidaceae | Oxalis fontana | Oxalis droit | Stijve klaverzuring | | |
| Stratiomyidae | Oxycera leonina Heraclina, Hermione | | | | |
| Stratiomyidae | Oxycera nigricornis | | | | |
| Stratiomyidae | Oxycera rara O. pulchella, Heraclina | | | | |
| Oxychilidae | Oxychilus cellarius | | Kelderglansslak | | |
| Oxychilidae | Oxychilus draparnaudi | | Grote Glansslak | | |
| Succineidae | Oxyloma elegans | | Slanke Barnsteenslak | | |
| Tephritidae | Oxyna parietina | | | | |
| Staphylinidae | Oxypoda elongatula | | | | |
| Staphylinidae | Oxypoda filiformis | | | | |
| Staphylinidae | Oxypoda induta | | | | |
| Staphylinidae | Oxypoda lividipennis | | | | |
| Staphylinidae | Oxypoda opaca | | | | |
| Staphylinidae | Oxypoda sericea | | | | |
| Staphylinidae | Oxypoda spectabilis | | | | |
| Staphylinidae | Pachnida nigella | | | | |
| Tetragnathidae | Pachygnatha clercki | | Grote dikkaak | | |
| Tenthredinidae | Pachyprotasis rapae | | | | |
| Paeoniaceae | Paeonia sp | Pivoine | Pioen | | |
| Theridiidae | Paidiscura pallens Theridion pallens | | Kleine Boskogelspin | | |
| Pallopteridae | Palloptera muliebris Toxoneura | | | | |
| Pallopteridae | Palloptera umbellatarum | | | | |
| Pentatomidae | Palomena prasina | Punaise verte des bois | Groene Stinkwants | Green stink bug, Green shield bug | Gemeiner Grünling |
| Tortricidae | Pammene aurana | | | | Bärenklauwickler |
| Tortricidae | Pammene regiana | Tordeuse du Sycomore | | | |
| Panaeolus papilionaceus | Panéole papilionacé | Witte vlekplaat | | |
| Panaeolus sphinctrinus | Panéole à marge dentée | Franje vlekplaat | | |
| Tortricidae | Pandemis cerasana ribeana | Tordeuse des arbres fruitiers | | Barred fruit-tree fortrix | |
| Tortricidae | Pandemis heparana | | Leverkleurige bladroller | | |
| Noctuidae | Panemeria tenebrata | Noctuelle polynôme | Dwerghuismoeder | | Hornkrauteule |
| Panorpidae | Panorpa communis | Mouche scorpion | Schorpioenvlieg | | |
| Miridae | Pantilius tunicatus | | | | |
| Papaveraceae | Papaver argemone | Coquelicot argémone | Ruige klaproos | | |
| Papaveraceae | Papaver dubium | Petit coquelicot | Bleke klaproos | | |
| Papaveraceae | Papaver rhoeas | Grand coquelicot | Grote klaproos | | |
| Papilionidae | Papilio machaon | Machaon, Grand Porte-queue | Koninginnepage | | Schwalbenschwanz |
| Carabidae | Paradromius linearis | | | | |
| Carabidae | Paranchus albipes | | | | |
| Nymphalidae | Pararge aegeria | Tircis | Bont Zandoogje | | |
| Arctiidae | Parasemia plantaginis | Ecaille du plantain | Weegbreebeer | | |
| Lycosidae | Pardosa amentata | | Tuinwolfspin | | |
| Syrphidae | Parhelophilus frutetorum | | Bos-fluweelzwever | | |
| Urticaceae | Parietaria judaica | Pariétaire diffuse | Klein glaskruid | Pellitory-of-the-wall | Niederliegendes Glaskraut |
| Parmelia saxatilis | | Blauwgrijs steenschildmos | | |
| Parmelia sulcata | | Gewoon schildmos | | |
| Gracillariidae | Parornix anglicella | | | | |
| Gracillariidae | Parornix devoniella | | | | |
| Vitaceae | Parthenocissus inserta | Vigne vierge commune | Valse Wingerd | | |
| Paridae | Parus ater | Mésange noire | Zwarte mees | | |
| Paridae | Parus caeruleus | Mésange bleue | Pimpelmees | | |
| Paridae | Parus major | Mésange charbonnière | Koolmees | | |
| Paridae | Parus montanus | Mésange boréale | Matkop | | |
| Paridae | Parus palustris | Mésange nonnette | Glanskop | | |
| Geometridae | Pasiphila rectangulata Chloroclystis rectangulata | | Groene dwergspanner | Green Pug | Graugrüner Apfel-Blütenspanner |
| Ploceidae | Passer domesticus | Moineau domestique | Huismus | | |
| Ploceidae | Passer montanus | Moineau friquet | Ringmus | | |
| Apiaceae | Pastinaca sativa | Panais commun | Gewone pastinaak | | |
| Paxillus involutus | Paxille enroulé | Gewone kruizoom | | |
| Cynipidae | Pediaspis aceris | Cynips de l'Erable | | | |
| Pediculidae | Pediculus humanus | Pou de tête | Hoofdluis (Neten) | | |
| Anthomyiidae | Pegomya solennis | | | | |
| Pellia endiviifolia | | Gekroesde pellia / Gekroesd plakkaatmos | | |
| Peltigera didactyla Peltigera spuria (Ach.) DC | | Soredieus leermos | | |
| Boraginaceae | Pentaglottis sempervirens | Buglosse vivace | Overblijvende ossetong | | |
| Pentatomidae | Pentatoma rufipes | Punaise à pattes fauves | Roodpoot schildwants | Forest bug | Rotbeinige baumwanze |
| Percidae | Perca fluviatilis | Perche fluviatile | Baars | European perch | |
| Geometridae | Peribatodes rhomboidaria P. corsicaria, P. defloraria | Boarmie rhomboïdale | Taxisspikkelspanner | Willow Beauty | Rhombenspanner |
| Psychodidae | Pericoma sp | | | | |
| Noctuidae | Peridroma saucia | Noctuelle blessée | Blauwvleugeluil | Pearly Underwing | |
| Geometridae | Perizoma alchemillata alchemillatum, rivulata | Mélanippe coupée | Hennepnetelspanner | Small rivulet | Hohlzahn-kapselspanner |
| Polygonaceae | Persicaria amphibia Polygonum amphibia | Renouée amphibie | Veenwortel | | |
| Polygonaceae | Persicaria bistorta Polygonum bistorta | Bistorte | Adderwortel | | |
| Polygonaceae | Persicaria lapathifolia Polygonum lapathifolia | Renouée à feuilles de patience | Beklierde duizendknoop | | |
| Polygonaceae | Persicaria maculosa Polygonum persicaria | Renouée persicaire | Perzikkruid | | |
| Polygonaceae | Persicaria mitis Polygonum mitis | Renouée douce | Zachte duizendknoop | | |
| Asteraceae | Petasites hybridus | Petasite officinale | Groot hoefblad | | |
| Peziza vesiculosa | Pézize vésiculeuse | Vroege bekerzwam | | |
| Hydrophyllaceae | Phacelia tanacetifolia | Phacélie | Phacelie | | |
| Staphylinidae | Phacophallus parumpunctatus | | | | |
| Phaeophyscia orbicularis | | Rond schaduwmos | | |
| Phalacrocoracidae | Phalacrocorax carbo | Grand cormoran | Aalscholver | | |
| Phoridae | Phalacrotophora fasciata | | | | |
| Poaceae | Phalaris arundinacea | Baldingère | Rietgras | | |
| Poaceae | Phalaris canariensis | Alpiste des Canaries | Kanariezaad | | |
| Notodontidae | Phalera bucephala | La Bucephale | Wapendrager | | |
| Phallus impudicus | Satyre puant | Grote stinkzwam | | |
| Tettigoniidae | Phaneroptera falcata | Phanéroptère commun, Sauterelle à ailes en faux | Sikkelsprinkhaan | | Gemeine Sichelschrecke |
| Fabaceae | Phaseolus vulgaris | Haricot commun | Gewone boon | | |
| Tachinidae | Phasia obesa | | | | |
| Phasianidae | Phasianus colchicus | Faisan de colchide | Fazant | | |
| Phellinus igniarius | Faux amadouvier | Echte vuurzwam | | |
| Phellinus tuberculosus | | Boomgaardvuurzwam | | |
| Hydrangeaceae | Philadelphus coronarius | Seringat des jardins | Boerenjasmijn | | |
| Cercopidae | Philaenus spumarius leucophthalmus | Cercope spumeux | Schuimcicade, Koekoekschuim | | Schaumzikaden, Kuckucksspeichel |
| Sphecidae | Philanthus triangulum | Philanthe apivore | Bijenwolf | | Bienenwolf |
| Staphylinidae | Philhygra elongaluta | | | | |
| Staphylinidae | Philhygra palustris | | | | |
| Staphylinidae | Philhygra volans | | | | |
| Carabidae | Philochthus lunulatus Bembidion lunulatum | | | | |
| Philodromidae | Philodromus praedatus | | Boomrenspin | | |
| Philodromidae | Philodromus sp | | | | |
| Staphylinidae | Philonthus albipes | | | | |
| Staphylinidae | Philonthus carbonarius | | | | |
| Staphylinidae | Philonthus cephalotes | | | | |
| Staphylinidae | Philonthus debilis | | | | |
| Staphylinidae | Philonthus fumarius | | | | |
| Staphylinidae | Philonthus jurgans | | | | |
| Staphylinidae | Philonthus laminatus | | | | |
| Staphylinidae | Philonthus marginatus | | | | |
| Staphylinidae | Philonthus ochropus | | | | |
| Staphylinidae | Philonthus pachycephalus | | | | |
| Staphylinidae | Philonthus quisquiliarius | | | | |
| Staphylinidae | Philonthus rectangulus | | | | |
| Staphylinidae | Philonthus rigidicornis | | | | |
| Staphylinidae | Philonthus tenuicornis | | | | |
| Staphylinidae | Philonthus umbratilis | | | | |
| Staphylinidae | Philonthus varians | | | | |
| Tephritidae | Philophylla caesio | | | | |
| Philosciidae | Philoscia muscorum | Cloporte des mousses | Mospissebed | Common striped woodlouse | |
| Phlebia radiata | | Oranje aderzwam | | |
| Poaceae | Phleum pratense | Fléole des prés | Gewoon timoteegras | | |
| Noctuidae | Phlogophora meticulosa | Méticuleuse | Agaatvlinder | | Achateule |
| Crambidae | Phlyctaenia coronata Pyralis sambucalis | Pyrale du Sureau | | | |
| Muscicapidae | Phoenicurus ochruros | Rougequeue noir | Zwarte roodstaart | | |
| Muscicapidae | Phoenicurus phoenicurus | Rouge-queue à front blanc | Gekraagde roodstaart | | |
| Pholcidae | Pholcus phalangioides | | | | |
| Pholiota aurivella | Pholiote adipeuse | Goudvliesbundelzwam | | |
| Pholiota gummosa | Pholiote gommeuse | Bleekgele bundelzwam | | |
| Pholiota mutabilis | Pholiote changeante | Stobbezwammetje | | |
| Pholiota squarrosa | Pholiote écailleuse | Schubbige bundelzwam | | |
| Arctiidae | Phragmatobia fuliginosa | Ecaille cramoisie | Kleine Beer | Ruby Tiger | Zimtbär |
| Poaceae | Phragmites australis | Roseau, Phragmite | Riet | | |
| Chrysomelidae | Phratora vitellinae | | Brons griendhaantje | Brassy willow beetle | |
| Tortricidae | Phtheochroa rugosana | | | | |
| Pyralidae | Phycita roborella P. spissicella | | | | |
| Aphididae | Phyllaphis fagi | Puceron laineux du hêtre | | | |
| Curculionidae | Phyllobius argentatus | Charançon | Groene snuitkever | | Grünrüssler |
| Curculionidae | Phyllobius oblongus | Charançon radicicole européen | Behaarde bladsnuitkever | European snout beetle | |
| Curculionidae | Phyllobius pomaceus Phyllobius urticae | | Groene brandnetelsnuittor | | |
| Gracillariidae | Phyllocnistis saligna | | | | |
| Gracillariidae | Phyllocnistis xenia | | | | |
| Eriophyidae | Phyllocoptes populi | | | | |
| Gracillariidae | Phyllonorycter coryli | Mineuse du Noisettier | Hazelaarblaasmijnmot | Nut Leaf Blister Moth | |
| Gracillariidae | Phyllonorycter corylifoliella | | | | |
| Gracillariidae | Phyllonorycter maestingella | | | | |
| Gracillariidae | Phyllonorycter medicaginella Lithocolletis | | | | |
| Gracillariidae | Phyllonorycter platani | Mineuse du Platane | | | |
| Gracillariidae | Phyllonorycter robiniella | | | | |
| Gracillariidae | Phyllonorycter schreberella | Mineuse de l'Orme | | | |
| Gracillariidae | Phyllonorycter tristrigella | | | | |
| Gracillariidae | Phyllonorycter ulmifoliella | | | | |
| Sylviidae | Phylloscopus collybita | Pouillot véloce | Tjiftjaf | | |
| Sylviidae | Phylloscopus trochilus | Pouillot fitis | Fitis | | |
| Poaceae | Phyllostachys sp | Bambou | Bamboe | | |
| Chrysomelidae | Phyllotreta armoraciae | Altise du raifort | | Horseradish flea beetle | |
| Chrysomelidae | Phyllotreta ochripes | | | | |
| Physidae | Physa fontinalis | Physe des fontaines | Bronblaashorenslak | Bladder snail | Quellblasenschnecke |
| Solanaceae | Physalis alkekengi franchetii | Coqueret | Lampionplant | | |
| Physarum album album Physarum nutans var.nutans | | Knikkend kalkkopje | | |
| Physcia adscendens | | Grof kroesmos | | |
| Physcia tenella | | Fijn kroesmos | | |
| Physcomitrium pyriforme | | Gewoon knikkertjesmos | | |
| Physidae | Physella acuta | | | | |
| Conopidae | Physocephala rufipes | | | | |
| Lamiaceae | Physostegia virginiana | | Scharnierbloem | | |
| Miridae | Phytocoris tiliae | | | | |
| Miridae | Phytocoris varipes | | | | Kräuter-Laubwanze |
| Cerambycidae | Phytoecia cylindrica | | | | |
| Agromyzidae | Phytomyza agromyzina P. similis | | | | |
| Agromyzidae | Phytomyza ilicis Phytomyza aquifolii | Mineuse des feuilles de Houx | Hulstvlieg | | |
| Agromyzidae | Phytomyza lappae arctii, lappina, cynogloss | | | | |
| Agromyzidae | Phytomyza spondylii | | | | |
| Agromyzidae | Phytomyza vitalbae | | | | |
| Eriophyidae | Phytoptus erinotes Phytoptus tetrastichus abnormi | | | | |
| Corvidae | Pica pica | Pie bavarde | Ekster | | Elster |
| Pinaceae | Picea abies | Epicéa commun | Groene fijnspar | | |
| Asteraceae | Picris hieracioides | Picris fausse-épervière | Echt bitterkruid | | |
| Pentatomidae | Picromerus bidens | | | | |
| Picidae | Picus viridis | Pic vert | Groene specht | | |
| Pieridae | Pieris brassicae | Piéride du chou | Groot Koolwitje | Large white | Kohlweißling |
| Pieridae | Pieris napi | Piéride du navet | Klein Geaderd Witje | | Rapsweißling |
| Pieridae | Pieris rapae | Piéride de la rave, Petit blanc | Klein Koolwitje | | |
| Pentatomidae | Piezodorus lituratus | | Bremwants | Gorse shieldbug | |
| Miridae | Pilophorus cinnamopterus | | | | |
| Miridae | Pilophorus clavatus | | | | |
| Miridae | Pilophorus perplexus | | | | |
| Apiaceae | Pimpinella major | Grand Boucage | Grote bevernel | | |
| Apiaceae | Pimpinella saxifraga | Petit Boucage | Kleine bevernel | | |
| Pinaceae | Pinus nigra | Pin noir d'Autriche | Corsicaanse den | | |
| Pinaceae | Pinus sylvestris | Pin sylvestre | Grove den Wald-Kiefer | | |
| Vespertilionidae | Pipistrellus pipistrellus | Pipistrelle commune | Dwergvleermuis | | |
| Syrphidae | Pipiza noctiluca | | Grofgestippelde platbek | | |
| Lycosidae | Pirata latitans | | Kleine Piraat | | |
| Lycosidae | Pirata sp | Pirate | Piraat | | |
| Pisauridae | Pisaura mirabilis | Pisaure admirable | Kraamwebspin / Grote Wolfspin | | Listspinne |
| Sphaeriidae | Pisidium personatum | | Gemaskerde erwtenmossel | | |
| Araceae | Pistia stratiotes | Laitue d'eau | Mosselplantje, Watersla | | |
| Fabaceae | Pisum sativum | Pois | Erwt | | |
| Miridae | Plagiognathus arbustorum | | | | |
| Miridae | Plagiognathus chrysanthemi | | | | |
| Plagiomnium elatum | | Geel boogsterrenmos | | |
| Plagiomnium ellipticum | | Stompbladig boogsterrenmos | | |
| Plagiomnium undulatum | | Gerimpeld boogsterrenmos | | |
| Plagiothecium denticulatum | | Glanzend platmos | | |
| Plagiothecium nemorale | | Groot platmos | | |
| Planariidae | Planaria torva | Planaire | Bruine platworm, Lugubere glijer | | |
| Planorbidae | Planorbarius corneus | | | | |
| Planorbidae | Planorbis planorbis | | | | |
| Plantaginaceae | Plantago lanceolata | Plantain lancéolé | Smalle Weegbree | | |
| Plantaginaceae | Plantago major | Plantain à larges feuilles | Grote weegbree | | |
| Platanaceae | Platanus x hispanica | Platane à feuilles d'érable | Esdoornbladige plataan | | Ahornblättrige Platane |
| Chrysomelidae | Plateumaris consimilis | Donacie | | | |
| Platyarthridae | Platyarthrus hoffmannseggi | Cloporte des fourmis | Witte mierenpissebed | | |
| Chloropidae | Platycephala planifrons | | | | |
| Syrphidae | Platycheirus albimanus | | Mica platvoetje | | |
| Syrphidae | Platycheirus clypeatus | | Gewoon platvoetje | | |
| Syrphidae | Platycheirus fulviventris | | | | |
| Syrphidae | Platycheirus sp | | Platvoetje | | |
| Lycidae | Platycis minutus Lycus minutus | | Roodschildkever | Black-neck Lycus | |
| Platycnemididae | Platycnemis pennipes | | Breedscheenjuffer | | |
| Platyhypnidium riparioides | | Watervalmos | | |
| Staphylinidae | Platystethus alutaceus | | | | |
| Staphylinidae | Platystethus arenarius | | | | |
| Staphylinidae | Platystethus cornutus | | | | |
| Staphylinidae | Platystethus nitens | | | | |
| Pleidae | Plea sp | | | | |
| Vespertilionidae | Plecotus auritus | Oreillard roux | Grootoorvleermuis | | |
| Geometridae | Plemyria rubiginata | | Blauwrandspanner | Blue-bordered Carpet | Milchweißer Bindenspanner |
| Crambidae | Pleuroptya ruralis | Pyrale du houblon | Gewone Netelmot | Mother of Pearl | Nessel-Zünsler |
| Pleurotus ostreatus | Pleurote en huître | Gewone oesterzwam | | |
| Pyralidae | Plodia interpunctella | Mite du blé, Pyrale indienne de la farine | Indische meelmot | Indianmeal moth | |
| Noctuidae | Plusia festucae | Riche | Goudvenstertje | | |
| Pluteus cervinus | Plutée couleur de cerf | Gewone hertezwam | | |
| Pluteus umbrosus | Plutée brun d'ombre | Pronkhertezwam | | |
| Poaceae | Poa annua | Pâturin annuel | Straatgras | | |
| Poaceae | Poa nemoralis | Pâturin des bois | Schaduwgras | | |
| Poaceae | Poa pratensis | Pâturin des prés | Smal beemdgras | | |
| Poaceae | Poa pratensis | Pâturin des prés | Veldbeemdgras | | |
| Poaceae | Poa pratensis | Pâturin des prés | Veldbeemdgras | | |
| Poaceae | Poa trivialis | Pâturin commun | Ruw beemdgras | | |
| Chrysomelidae | Podagrica fuscicornis | | | Mallow flea beetle | Malvenflohkäfer |
| Pentatomidae | Podops inuncta (Fabricius, 1775) | | Haakjeswants | | |
| Podosphaera aphanis | | | | |
| Podosphaera leucotricha | Oïdium | | | |
| Poduridae | Podura aquatica | | | | |
| Oncopoduridae | Pogonognathellus longicornis Tomocerus longicornis | | | | |
| Pohlia melanodon | | Klei-peermos | | |
| Vespidae | Polistes dominulus | Poliste gaulois | Franse Veldwesp | | Französische Feldwespe |
| Planariidae | Polycelis sp | Planaire | Zwarte platworm, Zwarte veeloog | | |
| Polydesmidae | Polydesmus complanatus | Polydesme | | | |
| Polydesmidae | Polydesmus sp | Polydesme | Platrug | | |
| Curculionidae | Polydrusus prasinus | | | | |
| Curculionidae | Polydrusus sericeus | Charançon | Zijdeglans bladsnuitkever | | |
| Curculionidae | Polydrusus sp | | | | |
| Liliaceae | Polygonatum multiflorum | Sceau de Salomon commun | Gewone salomonszegel | | |
| Nymphalidae | Polygonia c-album | Robert-le-diable | Gehakkelde Aurelia | | C-Falter |
| Polygonaceae | Polygonum aviculare | Renouée des oiseaux, Traînasse | Varkensgras | | |
| Lycaenidae | Polyommatus icarus | Argus bleu, Azuré de la Bugrane | Icarusblauwtje | | |
| Polypodiaceae | Polypodium vulgare | Polypode vulgaire | Gewone eikvaren | | |
| Polyporus badius P. durus | Polypore variable | Waaierbuisjezwam | | |
| Polyporus squamosus | Polypore écailleux | Zadelzwam | | |
| Polytrichum formosum | Polytric élégant | Fraai haarmos | | |
| Tenthredinidae | Pontania bridgmanii | Galle du Saule | | | |
| Tenthredinidae | Pontania gallarum Pontania joergenseni | | | | |
| Tenthredinidae | Pontania proxima | Galle du Saule | | | |
| Tenthredinidae | Pontania triandrae | | | | |
| Cicadellidae | Populicerus confusus | | | | |
| Salicaceae | Populus alba | Peuplier blanc | Witte abeel | | |
| Salicaceae | Populus nigra | Peuplier noir | Zwarte populier | | |
| Salicaceae | Populus tremula | Peuplier tremble | Ratelpopulier | | |
| Salicaceae | Populus x canadensis | Peuplier du Canada | Canadapopulier | | |
| Salicaceae | Populus x_canescens | Peuplier grisard | Grauwe abeel | | |
| Porcellionidae | Porcellio scaber | Porcellion rude | Ruwe pissebed | | |
| Rallidae | Porzana porzana | Marouette ponctuée | Porceleinhoen | | |
| Potamogetonaceae | Potamogeton crispus | Potamot crépu | Gekroesd fonteinkruid | | Krauses Laichkraut |
| Potamogetonaceae | Potamogeton pectinatus | Potamot pectiné | Schedefonteinkruid | | |
| Dytiscidae | Potamonectes sp | | | | |
| Hydrobiidae | Potamopyrgus antipodarum Potamopyrgus jenkensi (Smith) | | | | |
| Rosaceae | Potentilla anserina | Potentille des oies | Zilverschoon | | Gänsefingerkraut |
| Rosaceae | Potentilla intermedia | Potentille intermédiaire | Middelste ganzerik | | |
| Rosaceae | Potentilla reptans | Potentille rampante, Quintefeuille | Vijfvingerkruid | | |
| Braconidae | Praon sp | | | | |
| Primulaceae | Primula elatior | Primevère élevée | Slanke sleutelbloem | | |
| Coccinellidae | Propylea quatuordecimpunctata Propylaea | Coccinelle à échiquier, Coccinelle à damier | Veertienstippelig lieveheersbeestje | | Vierzehnpunktmarienkäfer |
| Prunellidae | Prunella modularis | Accenteur mouchet | Heggemus | | |
| Lamiaceae | Prunella vulgaris | Brunelle commune | Gewone brunel | | |
| Amygdalaceae | Prunus armeniaca | Abricotier | Abrikoos | | |
| Amygdalaceae | Prunus avium | Mérisier, Cerisier des oiseaux | Zoete kers | | |
| Amygdalaceae | Prunus avium Early Rivers | Cerisier Early Rivers | Zoete kers Early Rivers | | |
| Amygdalaceae | Prunus avium Bigarreau noir | Cerisier Bigarreau noir | Zoete kers 'Bigarreau noir' | | |
| Amygdalaceae | Prunus avium Napoléon | Cerisier Napoléon | Zoete kers 'Napoléon' | | |
| Amygdalaceae | Prunus avium Belle de Thuin | Cerisier Belle de Thuin | Zoete kers 'Belle de Thuin' | | |
| Amygdalaceae | Prunus cerasifera | Myrobolan / Prunier cerise | Kerspruim | | |
| Amygdalaceae | Prunus domestica Altesse simple | Prunier Altesse simple | Pruimelaar 'Altesse simple' | | |
| Amygdalaceae | Prunus domestica Wignon | Prunier Wignon | Pruimelaar 'Wignon' | | |
| Amygdalaceae | Prunus domestica Sainte Catherine | Prunier Sainte Catherine | Pruimelaar 'Sainte Catherine' | | |
| Amygdalaceae | Prunus domestica Reine-Claude verte | Prunier Reine-Claude verte | Pruimelaar groene Reine-Claude | | |
| Amygdalaceae | Prunus domestica | Prunier commun | Pruim | | |
| Amygdalaceae | Prunus domestica Prune de Prince | Prunier Prune de Prince | Pruimelaar 'Prune de Prince' | | |
| Amygdalaceae | Prunus laurocerasus | Laurier-Cerise | Laurierkers | | |
| Amygdalaceae | Prunus persica | Pêcher | Perzikboom | | |
| Amygdalaceae | Prunus persica Fertile de Septembre | Pêcher Fertile de Septembre | Perzikboom Fertile de Septembre | | |
| Amygdalaceae | Prunus serotina | Cerisier tardif | Amerikaanse vogelkers | | |
| Amygdalaceae | Prunus spinosa | Prunellier | Sleedoorn | | |
| Miridae | Psallus sp | | | | |
| Silvanidae | Psammoecus bipunctatus | | | | |
| Psathyrella conopilus | Psathyrelle conique | langsteelfranjehoed | | |
| Psathyrella multipedata | Psathyrelle cespiteuse | Bundelfranjehoed | | |
| Psathyrella prona | Psathyrelle penchée | Kleine grasfranjehoed | | |
| Psathyrella sp | | Franjehoed | | |
| Tortricidae | Pseudargyrotoza conwagana | | | | |
| Salticidae | Pseudeuophrys lanigera P. tristis, P. variegata | | Huisspringspin | | |
| Pseudocrossidium hornschuchianum | | Vergeten smaragdsteeltje | | |
| Carabidae | Pseudoophonus rufipes | Harpale pubescent | | | |
| Psittacidae | Psittacula eupatria | Perruche Alexandre, Perruche à épaulettes | Grote Alexanderparkiet | | Großer Alexandersittich |
| Psittacidae | Psittacula krameri | Perruche à collier | Halsbandparkiet | | Halsbandsittich |
| Psyllidae | Psylla alni | Psylle de l'Aulne | Elzenbladvlo | | |
| Chrysomelidae | Psylliodes sp | Altise | | | |
| Coccinellidae | Psyllobora vigintiduopunctata Thea vigintiduopunctata | Coccinelle à 22 points | 22-stippelig lieveheersbeestje | | |
| Psyllidae | Psyllopsis fraxini | Psylle du Frêne | | | |
| Pterophoridae | Pterophorus pentadactyla Aciptilia, Alucita | Ptérophore blanc | Witte Vedermot | | |
| Carabidae | Pterostichus madidus | | Aardbeiloopkever | | |
| Carabidae | Pterostichus minor | | | | |
| Carabidae | Pterostichus nigrita | | | | |
| Carabidae | Pterostichus strenuus | | | | |
| Notodontidae | Ptilophora plumigera | Plumet | Pluimspinner | Plumed Prominent | Haarschuppenspinner |
| Ptychopteridae | Ptychoptera albimana | | | | |
| Ptychopteridae | Ptychoptera contaminata | | | | |
| Puccinia circaeae | | | | |
| Puccinia convolvuli | Rouille | | | |
| Puccinia coronata | La rouille couronnée | Kroonroest | Crown rust | |
| Puccinia phragmitis | Rouille | Grauwe rietroest | | |
| Puccinia pulverulenta | Rouille | | | |
| Puccinia sessilis | Rouille | Rietgrasroest | | |
| Puccinia suaveolens Puccinia obtegens | Rouille | | | |
| Asteraceae | Pulicaria dysenterica | Pulicaire dysentérique | Heelblaadjes | | |
| Boraginaceae | Pulmonaria officinalis | Pulmonaire officinale | Gevlekt Longkruid | | |
| Coccidae | Pulvinaria hydrangeae Eupulvinaria hydrangeae | Cochenille pulvinaire | Hydrangeadopluis | | Hortensienwollschildlaus |
| Punctidae | Punctum pygmaeum | | Gewoon Dwergpuntje | | |
| Pupillidae | Pupilla muscorum | | Mostonnetje | | |
| Malaceae | Pyracantha coccinea | Buisson ardent | Vuurdoorn | | |
| Crambidae | Pyrausta aurata Haematia, Syllythria | | Muntvlindertje | | |
| Crambidae | Pyrausta purpurea Haematia, Syllythria | | Purpermotje | | |
| Pyrochroidae | Pyrochroa coccinea | Cardinal | Zwartkopvuurkever, Zaagsprietkever | | Scharlachroter Feuerkäfer |
| Syrphidae | Pyrophaena granditarsa | | | | |
| Chrysomelidae | Pyrrhalta viburni | Chrysomèle de la Viorne | Viburnumhaantje / Sneeuwbalhaantje | | |
| Coenagrionidae | Pyrrhosoma nymphula | Petite nymphe au corps de feu | Vuurjuffer | | |
| Fringillidae | Pyrrhula pyrrhula | Bouvreuil pivoine | Goudvink | | |
| Malaceae | Pyrus communis | Poirier cultivé | Gekweekte peer | | |
| Malaceae | Pyrus communis Bon Chrétien Williams | Poirier Bon Chrétien Williams | Peer Bon Chrétien Williams | | |
| Malaceae | Pyrus communis Doyenné de Commice | Poirier Doyenné de Commice | Peer Doyenné de Commice | | |
| Malaceae | Pyrus communis | Poirier sauvage | Wilde peer | | |
| Staphylinidae | Quedius cinctus | | | | |
| Staphylinidae | Quedius curtipennis | | | | |
| Staphylinidae | Quedius fuliginosus | | | | |
| Staphylinidae | Quedius fumatus | | | | |
| Staphylinidae | Quedius maurorufus | | | | |
| Staphylinidae | Quedius mesomelinus | | | | |
| Staphylinidae | Quedius molochinus | | | | |
| Staphylinidae | Quedius nitipennis | | | | |
| Staphylinidae | Quedius schatzmayri | | | | |
| Staphylinidae | Quedius scintillans | | | | |
| Staphylinidae | Quedius semiaeneus | | | | |
| Fagaceae | Quercus robur | Chêne pédonculé | Zomereik | | |
| Fagaceae | Quercus rubra | Chêne rouge | Amerikaanse eik | | |
| Lymnaeidae | Radix balthica Radix ovata | | | | Eiförmige Schlammschnecke |
| Lymnaeidae | Radix labiata Radix peregra | | | | |
| Radula complanata | | Schijfjesmos | | |
| Rallidae | Rallus aquaticus | Râle d'eau | Waterral | Water Rail | Wasserralle |
| Ramaria stricta | Ramaire droite | Rechte koraalzwam | | |
| Ranidae | Rana ridibunda | Grenouille rieuse | Grote groene kikker | | |
| Ranidae | Rana temporaria | Grenouille rousse | Bruine kikker | | |
| Ranunculaceae | Ranunculus acris | Renoncule âcre | Scherpe boterbloem | | |
| Ranunculaceae | Ranunculus auricomus | Renoncule tête d'or | Gulden boterbloem | | |
| Ranunculaceae | Ranunculus bulbosus | Renoncule bulbeuse | Knolboterbloem | | |
| Ranunculaceae | Ranunculus ficaria | Ficaire fausse renoncule | Speenkruid | | |
| Ranunculaceae | Ranunculus repens | Renoncule rampante | Kruipende boterbloem | | |
| Ranunculaceae | Ranunculus sardous | Renoncule sardonie | Behaarde boterbloem | | |
| Ranunculaceae | Ranunculus sceleratus | Renoncule scélérate | Blaartrekkende boterbloem | | |
| Brassicaceae | Raphanus raphanistrum | Ravenelle | Knopherik | | |
| Muridae | Rattus norvegicus | Rat surmulot | Bruine Rat | | |
| Reduviidae | Reduvius personatus | La Réduve masquée | Maskerwants | | |
| Regulidae | Regulus ignicapillus | Roitelet triple-bandeau | Vuurgoudhaantje | | |
| Regulidae | Regulus regulus | Roitelet huppé | Goudhaantje | | |
| Resedaceae | Reseda lutea | Réséda jaune | Wilde reseda | | |
| Resedaceae | Reseda luteola | Gaude | Wouw | | |
| Miridae | Reuteria marqueti | | | | |
| Cecidomyiidae | Rhabdophaga heterobia | Galle des rameaux du Saule | | | |
| Cecidomyiidae | Rhabdophaga rosaria | Galle en rosette du saule | Wilgenroosjegal | | |
| Tenthredinidae | Rhadinoceraea micans | Tenthrède des iris | Irisbladwesp | Iris Sawfly | Iris Blattwespe |
| Rhagionidae | Rhagio scolopacea | Leptis bécasse | Snavelvlieg | Down-looker fly | |
| Tephritidae | Rhagoletis alternata | | | | |
| Tephritidae | Rhagoletis cingulata | Trypète des cerises | | | |
| Cantharidae | Rhagonycha fulva Nastonycha, Pseudocratosilis | | Kleine rode weekschild | | |
| Raphidiidae | Rhaphidia sp | Raphidie | Kameelhalsvlieg | Snakefly | Kamelhalsfliege |
| Pentatomidae | Rhaphigaster nebulosa | | | | Gartenwanze |
| Polygonaceae | Rheum sp | Rhubarbe | Rabarber | | |
| Scrophulariaceae | Rhinanthus minor | Rhinanthe à petites fleurs | Kleine ratelaar | | |
| Syrphidae | Rhingia campestris | Rhingie champêtre | Snuitvlieg | | |
| Cyprinidae | Rhodeus amarus | Bouvière | Bittervoorn | | |
| Tenthredinidae | Rhogogaster sp Cytisogaster | Tenthrède verte | Groene Bladwesp | | Gruene Blattwespe |
| Apionidae | Rhopalapion longirostre | Apion des Roses trémières | | | |
| Cecidomyiidae | Rhopalomyia tanaceticola | Mouche-massue de la tanaisie | Boerenwormkruidgalmug | | |
| Rhopalidae | Rhopalus maculatus Aeschyntelus | | | | |
| Rhopalidae | Rhopalus parumpunctatus | | | | |
| Rhopalidae | Rhopalus subrufus | | | | |
| Rhynchostegiella tenella | | Slank snavelmos | | |
| Rhynchostegium confertum | | Boom-snavelmos | | |
| Lygaeidae | Rhyparochromus vulgaris | | Bodemwants | | Gemeine Bodenwanze |
| Rhytidiadelphus squarrosus | Mousse du Jardinier | Gewoonhaakmos | | |
| Rhytisma acerinum | Rhytisma de l'Erable | Inktvlekkenzwam | | |
| Cicadellidae | Ribautiana debilis | | | | |
| Cicadellidae | Ribautiana tenerrima | Cicadelle des petits fruits | | | |
| Cicadellidae | Ribautiana ulmi | | | | |
| Grossulariaceae | Ribes nigrum | Cassis | Zwarte bes | | |
| Grossulariaceae | Ribes rubrum | Groseillier rouge | Aalbes | | |
| Grossulariaceae | Ribes uva-crispa | Groseillier épineux | Kruisbes | | |
| Noctuidae | Rivula sericealis | Soyeuse | Stro-uiltje | Straw Dot | |
| Fabaceae | Robinia pseudoacacia | Robinier faux-acacia | Gewone Robinia | | |
| Brassicaceae | Rorippa palustris | Rorippe | Moeraskers | | |
| Brassicaceae | Rorippa sylvestris | Rorippe des champs | Akkerkers | | |
| Rosaceae | Rosa arvensis | Rosier des champs | Bosroos | | |
| Rosaceae | Rosa canina | Rosier des chiens, Eglantier commun | Hondsroos | | |
| Rosaceae | Rosa rugosa | Rosier rugueux | Rimpelroos | | |
| Rosaceae | Rosa sp | Rosier sp. | Roos | | |
| Lamiaceae | Rosmarinus officinalis | Romarin | Rozemarijn | | |
| Rosaceae | Rubus caesius | Ronce bleue | Dauwbraam | | |
| Rosaceae | Rubus idaeus | Framboisier commun | Gewone framboos | | |
| Rosaceae | Rubus laciniatus | | Peterseliebraam | | |
| Rosaceae | Rubus sp | Ronce - Mûrier des haies | Braam | | |
| Staphylinidae | Rugilus erichsoni | | | | |
| Staphylinidae | Rugilus orbiculatus | | | | |
| Staphylinidae | Rugilus rufipes | | | | |
| Polygonaceae | Rumex acetosa | Oseille sauvage | Veldzuring | | |
| Polygonaceae | Rumex acetosella | Petite oseille | Schapezuring | | |
| Polygonaceae | Rumex conglomeratus | Patience agglomérée | Kluwenzuring | | |
| Polygonaceae | Rumex crispus | Patience crépue | Krulzuring | | |
| Polygonaceae | Rumex maritimus | Patience maritime | Goudzuring | | |
| Polygonaceae | Rumex obtusifolius | Patience à feuilles obtuses | Ridderzuring | | |
| Polygonaceae | Rumex patientia | Patience des moines | Spinaziezuring | | |
| Polygonaceae | Rumex sanguineus | Patience sang-de-dragon, P.des bois | Bloedzuring | | |
| Polygonaceae | Rumex x pratensis | | Bermzuring | | |
| Liliaceae | Ruscus aculeatus | Fragon - Petit Houx | Muisdoorn | | |
| Noctuidae | Rusina ferruginea | Ferruginée | Randvlekuil | Brown Rustic | |
| Russula sp | | Russula | | |
| Rutaceae | Ruta graveolens | Rue des jardins | Wijnruit | | |
| Cyprinidae | Rutilus rutilus | Gardon | Blankvoorn | | |
| Cerambycidae | Rutpela maculata Leptura m., Strangalia m. | Lepture tachetée | Gevlekte smalbok | | Gefleckter Schmalbock |
| Caryophyllaceae | Sagina procumbens | Sagine couchée | Liggende vetmuur | | |
| Salicaceae | Salix alba | Saule blanc | Schietwilg | | |
| Salicaceae | Salix aurita | Saule à oreillettes | Geoorde wilg | | |
| Salicaceae | Salix caprea | Saule marsault | Boswilg | | |
| Salicaceae | Salix triandra | Saule à trois étamines | Amandelwilg | | |
| Salicaceae | Salix viminalis | Saule des vanniers | Katwilg | | |
| Salicaceae | Salix x charrieri | Hybride Saule roux et S.marsault | Hybride van Rossige Wilg en van Boswilg | | |
| Salicaceae | Salix x holosericea | Hybride de S. cinerea et S. viminalis | Hybride Kat- en Grauwe Wilg | | |
| Salicaceae | Salix x multinervis | Hybride du Saule à oreillettes et du S. cendré | Hybride van Geoorde wilg en van Grauwe wilg | | |
| Salicaceae | Salix x rubens | Hybridre du Saule blanc et du S. fragile | Hybride van Schiet- en Kraakwilg | | |
| Salicaceae | Salix x sepulcralis chrysocoma | Saule pleureur | Treurwilg | | |
| Salticidae | Salticus scenicus Salticus zebraneus (C.L.Koch) | L'araignée zèbre (arlequin) | Huiszebraspin (harlekijn) | | Zebraspringspinne |
| Salticidae | Salticus sp | | | | |
| Lamiaceae | Salvia officinalis | Sauge officinale | Salie | | |
| Lamiaceae | Salvia sp | Sauge sp. | | | |
| Caprifoliaceae | Sambucus nigra nigra | Sureau noir | Gewone vlier | | |
| Caprifoliaceae | Sambucus nigra laciniata | Sureau à feuilles lasciniées | Peterselievlier | | |
| Caprifoliaceae | Sambucus racemosa | Sureau à grappes | Trosvlier | | |
| Rosaceae | Sanguisorba minor | Petite pimprenelle | Kleine Pimpernel | | |
| Caryophyllaceae | Saponaria officinalis | Saponaire officinale | Zeepkruid | Soapwort , Bouncingbet | Seifenkraut |
| Sarcophagidae | Sarcophaga sp | Mouche à damier | | | |
| Sarcoscypha sp | | | | |
| Stratiomyidae | Sargus bipunctatus Geosargus | | | | Dungwaffenfliege |
| Lamiaceae | Satureia hortensis | Sarriette annuelle | Eénjarig Bonekruid | | |
| Lamiaceae | Satureja montana | Sarriette | Bonekruid | | |
| Saturniidae | Saturnia pavonia | Petit paon de nuit | Nachtpauwoog | Emperor Moth | Kleines Nachtpfauenauge |
| Sawadaea bicornis | Oïdium de l'érable | Meeldauw | Powdery mildew Acer | Mehltau Ahorn |
| Turdidae | Saxicola rubetra | Tarier des prés | Paapje | | |
| Turdidae | Saxicola torquata | Tarier pâtre, Traquet pâtre | Roodborsttapuit | European Stonechat | |
| Saxifragaceae | Saxifraga tridactylites | Saxifrage tridactyle | Kandelaartje | | Dreifinger-Steinbrech |
| Syrphidae | Scaeva pyrastri | Syrphe pyrastre | Witte halvemaanzwever | | |
| Syrphidae | Scaeva selenitica | | Gele halvemaanzweefvlieg | | |
| Tenebrionidae | Scaphidema metallicum | | | | Metallfarbener Schwarzkäfer |
| Scatophagidae | Scatophaga sp | Scatophage | Strontvlieg | | Dungfliege, Mistfliege |
| Schistidium apocarpum Grimmia apocarpa Hedw. | Grimmie sessile | Gewoon achterlichtmos | | |
| Aphididae | Schizolachnus pineti | Puceron laineux du Pin | | | |
| Schizophyllum commune | Schizophylle commun | Waaiertje | | |
| Liliaceae | Scilla siberica | Scille de Sibérie | Oosterse sterhyacint | | |
| Cyperaceae | Scirpus sylvaticus | Scirpe des bois | Bosbies | | |
| Sciuridae | Sciurus vulgaris | Écureuil roux | Rode eekhoorn | | |
| Scleroderma areolatum | Scléroderme aréolé | Kleine aardappelbovist | | |
| Scleropodium purum Pseudoscleropodium purum | | Groot laddermos | | |
| Noctuidae | Scoliopteryx libatrix | Découpure | Roesje | | Zackeneule |
| Scolopacidae | Scolopax rusticola | Bécasse des bois | Houtsnip | | |
| Lygaeidae | Scolopostethus affinis | | | | |
| Lygaeidae | Scolopostethus thomsoni | | | | |
| Scolytidae | Scolytus scolytus | | Grote iepenspintkever | | |
| Crambidae | Scoparia pyralella | | | | |
| Geometridae | Scopula marginepunctata | | Prachtstipspanner | | |
| Geometridae | Scopula ornata | Phalène ornée | Kantstipspanner | | |
| Asteraceae | Scorzonera hispanica | Scorsonère | Schorseneer | | |
| Scrophulariaceae | Scrophularia auriculata | Scrofulaire aquatique | Geoord helmkruid | | |
| Scrophulariaceae | Scrophularia nodosa | Scrofulaire noueuse | Knopig helmkruid | | |
| Scutellinia scutellata | Pézize en bouclier | Gewone wimperzwam | | |
| Coccinellidae | Scymnus mimulus | | | | |
| Coccinellidae | Scymnus sp | | Dwergkapoentje | | |
| Coccinellidae | Scymnus suturalis | | | | |
| Yponomeutidae | Scythropia crataegella | | | Hawthorn Moth | Weissdornmotte |
| Scytodidae | Scytodes thoracica | Araignée cracheuse | Getijgerde Lijmspuiter | Spitting spider | |
| Crassulaceae | Sedum acre | Orpin âcre, Poivre des murailles | Muurpeper | | |
| Crassulaceae | Sedum album | Orpin blanc | Wit vetkruid | | |
| Crassulaceae | Sedum reflexum | Orpin réfléchi | Tripmadam | | |
| Crassulaceae | Sedum spurium | Orpin bâtard | Roze Vetkruid | | |
| Tenthredinidae | Selandria serva f_mascula | | | | |
| Asteraceae | Senecio fuchsii | Séneçon de Fuchs | Schaduwkruiskruid | | |
| Asteraceae | Senecio inaequidens | Séneçon sud-africain | Bezemkruiskruid | | |
| Asteraceae | Senecio jacobaea | Séneçon jacobée | Jakobskruiskruid | | |
| Asteraceae | Senecio viscosus | Séneçon visqueux | Kleverig kruiskruid | | |
| Asteraceae | Senecio vulgaris | Séneçon commun | Klein kruiskruid | | |
| Sciomyzidae | Sepedon sphegea | Sépédon sphex | | | |
| Staphylinidae | Sepedophilus nigripennis | | | | |
| Sepsidae | Sepsis punctum | | | | |
| Fringillidae | Serinus serinus | Serin cini | Europese kanarie | | |
| Poaceae | Setaria pumila | Sétaire fauve | Geelrode naaldaar | | |
| Poaceae | Setaria viridis | Sétaire verte | Groene naaldaar | | |
| Noctuidae | Shargacucullia scrophulariae Cucullia scrophulariae | | Helmkruidvlinder | | Braunwurzmönch |
| Staphylinidae | Siagonium quadricorne | | | | |
| Sialidae | Sialis lutaria | Sialis de la vase | Elzenvlieg | | |
| Sialidae | Sialis sp | Sialis de la vase | Slijkvlieg | | |
| Conopidae | Sicus ferrugineus | | | | |
| Corixidae | Sigara sp | | | | |
| Caryophyllaceae | Silene dioica | Compagnon rouge | Dagkoekoeksbloem | | |
| Caryophyllaceae | Silene latifolia | Compagnon blanc | Avondkoekoeksbloem | | |
| Asteraceae | Silybum marianum | Chardon Marie, Lait de Notre-Dame | Mariadistel | | |
| Brassicaceae | Sinapis alba | Moutarde blanche | Witte mosterd | | |
| Brassicaceae | Sinapis arvensis | Moutarde des champs | Herik | | |
| Brassicaceae | Sisymbrium altissimum | Sisymbre élevé | Hongaarse raket | | |
| Brassicaceae | Sisymbrium officinale | Herbe aux chantres, Sisymbre officinal | Gewone raket | | |
| Sisyridae | Sisyra fuscata | | Sponsgaasvlieg | | |
| Crambidae | Sitochroa palealis | | | | |
| Crambidae | Sitochroa verticalis ex. Pyralidae | | | | |
| Curculionidae | Sitona lineatus | Charançon | Klaversnuitkever | | |
| Sittidae | Sitta europaea | Sittelle torchepot | Boomklever | | |
| Solanaceae | Solanum dulcamara | Morelle douce-amère | Bitterzoet | | |
| Solanaceae | Solanum nigrum | Morelle noire | Zwarte nachtschade | | |
| Solanaceae | Solanum nigrum nigrum f chlorocarpum | Morelle à bais verdâtres | Zwarte nachtschade met groenachtige bessen | | |
| Solanaceae | Solanum tuberosum | Pomme de terre | Aardappel | | |
| Asteraceae | Solidago canadensis | Solidage du Canada | Canadese guldenroede | | |
| Asteraceae | Solidago gigantea | Solidage glabre | Late guldenroede | | |
| Asteraceae | Sonchus arvensis | Laiteron des champs | Akkermelkdistel | | |
| Asteraceae | Sonchus asper | Laiteron épineux | Gekroesde melkdistel | | |
| Asteraceae | Sonchus oleraceus | Laiteron maraîcher | Gewone melkdistel | | |
| Malaceae | Sorbus aria | Alouchier | Meelbes | | |
| Malaceae | Sorbus aucuparia | Sorbier des oiseleurs | Wilde lijsterbes | | |
| Malaceae | Sorbus intermedia | Alisier de Suède | Zweedse lijsterbes | | |
| Malaceae | Sorbus x thuringiaca | | Kruising Meelbes en Wilde lijsterbes | | |
| Sparganiaceae | Sparganium emersum | Rubanier simple | Kleine egelskop | | |
| Sparganiaceae | Sparganium erectum | Rubanier rameux | Grote egelskop | | |
| Caryophyllaceae | Spergula arvensis | Spargoute des champs | Gewone spurrie | | |
| Caryophyllaceae | Spergularia rubra | Spergulaire rouge | Rode schijnspurrie | | |
| Sphaeriidae | Sphaerium corneum | Cyclade | Gewone hoornschaal | | Kugelmuschel |
| Sphaerocarpos michelii | | Gestekeld blaasjesmos / Stekel-blaasjesmos | | |
| Chrysomelidae | Sphaeroderma testaceum | | | | |
| Syrphidae | Sphaerophoria menthastri | Sphaerophore précoce | | | |
| Syrphidae | Sphaerophoria rueppelli | | | | |
| Syrphidae | Sphaerophoria scripta | Sphaerophore notée | Groot langlijf | | Langbauchschwebfliege |
| Apidae | Sphecodes sp | | Bloedbij | | Blutbiene |
| Tephritidae | Sphenella marginata | | | | |
| Arctiidae | Spilosoma lubricipeda | Ecaille tigrée | Witte Tijger | | |
| Rosaceae | Spiraea sp | | Theeboompje | | |
| Lemnaceae | Spirodela polyrhiza | Lentille d'eau à plusieurs racines | Veelwortelig kroos | | |
| Lamiaceae | Stachys byzantina | Oreille de chat | Ezelsoren | | |
| Lamiaceae | Stachys sylvatica | Epiaire des bois | Bosandoorn | | |
| Lymnaeidae | Stagnicola palustris Lymnaea palustris | | | | |
| Theridiidae | Steatoda bipunctata | | Koffieboonspin | | Fettspinne |
| Theridiidae | Steatoda triangulosa | | Huissteatoda | Triangulate cobweb spider | |
| Geometridae | Stegania trimaculata S. cognataria | | | Dorset Cream Wave | |
| Caryophyllaceae | Stellaria alsine | Stellaire des fanges | Moerasmuur | | |
| Caryophyllaceae | Stellaria graminea | Stellaire graminée | Grasmuur | | |
| Caryophyllaceae | Stellaria holostea | Stellaire holostée | Grote muur | | |
| Caryophyllaceae | Stellaria media | Mouron des oiseaux | Vogelmuur | | |
| Stemonitis fusca | | Gebundeld netpluimpje | | |
| Stemonitopsis typhina | | Zilveren schijnpluimpje | | |
| Eriophyidae | Stenacis triradiata Eriophyes triradiatus | Acarien balais de sorcière | Galmijt | | |
| Elateridae | Stenagostus rhombeus | | | | |
| Delphacidae | Stenocranus major | | | | |
| Miridae | Stenodema calcarata | | | | |
| Miridae | Stenodema laevigata | | | | |
| Miridae | Stenotus binotatus | | Streepwants | | |
| Staphylinidae | Stenus bimaculatus | | | | |
| Staphylinidae | Stenus brunnipes | | | | |
| Staphylinidae | Stenus cicindeloides | | | | |
| Staphylinidae | Stenus clavicornis | | | | |
| Staphylinidae | Stenus fulvicornis | | | | |
| Staphylinidae | Stenus impressus | | | | |
| Staphylinidae | Stenus juno | | | | |
| Staphylinidae | Stenus picipennis | | | | |
| Staphylinidae | Stenus providus | | | | |
| Staphylinidae | Stenus pubescens | | | | |
| Staphylinidae | Stenus solutus | | | | |
| Stereum hirsutum | Stérée hirsute | Gele korstzwam | | |
| Acrididae | Stethophyma grossum Stethophyma, Mecostethus | Criquet ensanglanté, -belge, -des marais | Moerassprinkhaan | Large marsh grasshopper | |
| Coccinellidae | Stethorus punctillum | Coccinelle tête d'épingle | | Spider Mite Destroyer | |
| Cerambycidae | Stictoleptura rubra Leptura r., Corymbia r. | Lepture rouge | Rode Smalbok | | Roter Halsbock |
| Rhopalidae | Stictopleurus abutilon | | | | |
| Rhopalidae | Stictopleurus punctatonervosus | | | | Punktierte Galsflügelwanze |
| Nepticulidae | Stigmella aurella | | | | |
| Nepticulidae | Stigmella microtheriella | Mineur des feuilles de Noisetier | | | |
| Nepticulidae | Stigmella splendidissimella | Mineur des feuilles de Ronce | | | |
| Nepticulidae | Stigmella trimaculella | | | | |
| Nepticulidae | Stigmella ulmivora | | | | |
| Nepticulidae | Stigmella viscerella | Mineur des feuilles d'Orme | | | |
| Cerambycidae | Strangalia melanura Stenurella melanura | Lepture | Zwartpuntsmalbok | | Kleiner Schmalböcke |
| Stratiomyidae | Stratiomys potamida Oreomyia, Stratiomyia | Stratiome | | Banded General | Gelbband-Waffenfliege |
| Columbidae | Streptopelia decaocto | Tourterelle turque | Turkse tortel | | |
| Linotaeniidae | Strigamia sp | | | | |
| Strigidae | Strix aluco | Chouette hulotte | Bosuil | | |
| Cicadellidae | Stroggylocephalus agrestis | | | | |
| Stropharia aeruginosa | Strophaire vert-de-gris | Echte kopergroenzwam | | |
| Stropharia coerulea | Strophaire bleue | Valse kopergroenzwam | | |
| Sturnidae | Sturnus vulgaris | Etourneau sansonnet | Spreeuw | | |
| Coccinellidae | Subcoccinella vigintiquatuorpunctata | Coccinelle à vingt-quatre points | Vierentwintigstippelig lieveheersbeestje | 24 spot ladybird | 24punkt-Marienkäfer, Luzerne-Marienkäfer |
| Succineidae | Succinea putris | | Gewone Bransteenslak | | |
| Succineidae | Succinella oblonga | | | | |
| Sylviidae | Sylvia atricapilla | Fauvette à tête noire | Zwartkop | | |
| Sylviidae | Sylvia borin | Fauvette des jardins | Tuinfluiter | | |
| Sylviidae | Sylvia communis | Fauvette grisette | Grasmus | | |
| Sylviidae | Sylvia curruca | Fauvette babillarde | Braamsluiper | | |
| Libellulidae | Sympetrum flaveolum | Sympétrum jaune | Geelvlekheidelibel | | |
| Libellulidae | Sympetrum sanguineum | Sympétrum rouge | Bloedrode Heidelibel | | |
| Libellulidae | Sympetrum striolatum | Sympétrum à côté strié | Bruinrode heidelibel | Common Darter | |
| Caprifoliaceae | Symphoricarpos albus laevigatus | Symphorine | Sneeuwbes | | |
| Caprifoliaceae | Symphoricarpos orbiculatus | Symphorine | Radijsboompje, Koraalbes, Sneeuwbes | | |
| Boraginaceae | Symphytum officinale | Consoude officinale | Gewone smeerwortel | | |
| Sesiidae | Synanthedon culiciformis | Sésie cousin | Berkenglasvlinder | | |
| Sesiidae | Synanthedon formicaeformis | Sésie fourmi | Wilgenwespvlinder | | |
| Sesiidae | Synanthedon myopaeformis | Sésie du Pommier | Appelglasvlinder | | |
| Tortricidae | Syndemis musculana | | | | |
| Syntrichia ruralis Tortula ruralis | | Groot muursterretje | | |
| Oleaceae | Syringa vulgaris | Lilas commun | Gewone sering | | |
| Syrphidae | Syritta pipiens | Syrite piaulante | Menuetzweefvlieg | Thick-legged Hoverfly | Keulenschwebfliege |
| Coreidae | Syromastes rhombeus | | | | |
| Syrphidae | Syrphus ribesii | Syrphe du Groseillier | Bessen-bandzwever | | |
| Syrphidae | Syrphus torvus | | Bos-bandzwever | | |
| Syrphidae | Syrphus vitripennis | | Kleine bandzwever | | |
| Tachinidae | Tachina fera | Tachinaire hérissonne | Woeste sluipvlieg | | |
| Staphylinidae | Tachinus corticinus | | | | |
| Staphylinidae | Tachinus laticollis | | | | |
| Staphylinidae | Tachinus marginellus | | | | |
| Staphylinidae | Tachinus signatus | | | | |
| Staphylinidae | Tachinus subterraneus | | | | |
| Staphylinidae | Tachyporus atriceps | | | | |
| Staphylinidae | Tachyporus chrysomelinus | | | | |
| Staphylinidae | Tachyporus dispar | | | | |
| Staphylinidae | Tachyporus hypnorum | | | | |
| Staphylinidae | Tachyporus nitidulus | | | | |
| Staphylinidae | Tachyporus obtusus | | | | |
| Staphylinidae | Tachyporus pusillus | | | | |
| Staphylinidae | Tachyporus ruficollis | | | | |
| Staphylinidae | Tachyporus solutus | | | | |
| Talpidae | Talpa europaea | Taupe d'Europe | Mol | | |
| Asteraceae | Tanacetum vulgare | Tanaisie | Boerenwormkruid | | |
| Taphrina deformans | Cloque du pêcher | Perzikkrulziekte | Peach leaf curl | |
| Taphrina pruni | Maladie de la pochette | Hongerpruimen | | Narrentaschen |
| Asteraceae | Taraxacum sp | Pissenlit | Paardebloem | | |
| Tarzetta catinus | | Gekarteld leemkelkje | | |
| Staphylinidae | Tasgius ater Ocypus ater | | | | |
| Rhynchitidae | Tatianaerhynchites aequatus Neocoenorrhinus, Rhynchites | Rhynchite rouge du pommier | | Apple fruit weevil | Rotbrauner Apfelfruchtstecher |
| Taxaceae | Taxus baccata | If | Taxus | | Eibe |
| Taxaceae | Taxus sp | If | Taxus | | |
| Agelenidae | Tegenaria atrica | Tégénaire | | | |
| Tenthredinidae | Tenthredo arcuata | | | | |
| Tenthredinidae | Tenthredo marginella | | | | |
| Tenthredinidae | Tenthredo temula Allantus, Blankia, T. celtica | | | | |
| Tenthredinidae | Tenthredo thompsoni | | | | |
| Tenthredinidae | Tenthredopsis sordida | | | | |
| Tephritidae | Tephritis cometa | | | | |
| Tephritidae | Tephritis conura | | | | |
| Miridae | Teratocoris antennatus | | | | |
| Tephritidae | Terellia tussilaginis Orellia tussilaginis | | | | |
| Sciomyzidae | Tetanocera sp Chaetotelanocera | | | | |
| Drepanidae | Tethea ocularis | Octogésime | Peppel-orvlinder | | |
| Tetragnathidae | Tetragnatha sp | | Strekspin | Stretch Spider | |
| Pemphigidae | Tetraneura ulmi | galle de l'Orme | | | |
| Tetrigidae | Tetrix subulata | Tétrix subulé | Zeggedoorntje | | |
| Tettigoniidae | Tettigonia viridissima | Grande sauterelle verte | Grote groene sabelsprinkhaan | | |
| Geometridae | Thalera fimbrialis | Phalène du buplèvre | Geblokte Zomervlinder | | |
| Thamnobryum alopecurum | | Struikmos | | |
| Cleridae | Thanasimus formicarius | | Mierenkever | | |
| Silphidae | Thanatophilus sinuatus Silpha sinuata | Bouclier sinué | Rimpelige aaskever | | |
| Chloropidae | Thaumatomyia sp | | | | |
| Lycaenidae | Thecla betulae | La Thécla du bouleau | Sleedoornpage | Brown Hairstreak | Nierenfleck |
| Therevidae | Thereva nobilitata | | Viltvlieg | Stiletto-fly | Stilettfliege |
| Theridiidae | Theridion sp | | Kogelspin | | |
| Theridiidae | Theridion varians | | Gewoon Visgraatje | | |
| Lepismatidae | Thermobia domestica Lepsima domestica | Poisson d'argent | Papiervisje, Ovenvisje | | |
| Brassicaceae | Thlapsi arvense | Tabouret des champs | Witte krodde | | |
| Thuidium tamariscinum | | Gewoon thujamos | | |
| Hesperiidae | Thymelicus lineola | | Zwartsprietdikkopje | | |
| Lamiaceae | Thymus serpyllum | Serpolet | Wilde tijm | | |
| Lamiaceae | Thymus sp | Thym | Tijm | | |
| Tiliaceae | Tilia cordata | Tilleul à petites feuilles | Winterlinde | | |
| Tiliaceae | Tilia platyphyllos | Tilleul à larges feuilles | Zomer linde | | |
| Tiliaceae | Tilia tomentosa | Tilleul argenté | Zilverlinde | | Silber-Linde |
| Tiliaceae | Tilia x_europaea Tilia x vulgaris | Tilleul de Hollande | Hollandse linde | | Holländische Linde |
| Geometridae | Timandra comae | Timandre aimée | Lieveling | | Ampferspanner |
| Cyprinidae | Tinca tinca | Tanche | Zeelt | | |
| Tingidae | Tingis ampliata | | Netwants | Creeping thistle lacebug | |
| Tipulidae | Tipula maxima | Tipule géante | | | |
| Tomoceridae | Tomocerus vulgaris | | | | |
| Apiaceae | Torilis japonica | Torilis anthrisque | Heggendoornzaad | | |
| Tortula acaulon Phascum cuspidatum | | Gewoon knopmos | | |
| Tortula muralis | | Gewoon muurmos | | |
| Tortula truncata truncata Pottia truncata | Pottie tronquée | Gewoon kleimos | | |
| Emydidae | Trachemys scripta elegans | Tortue de Floride à joues rouges | Roodwangschildpad | | |
| Buprestidae | Trachys minutus | | | | Gemeiner zwerg-prachtkäfer |
| Asteraceae | Tragopogon pratensis | Salsifis des prés | Kleine morgenster | | |
| Asteraceae | Tragopogon pratensis | Salsifis des prés | Oosterse morgenster | | |
| Asteraceae | Tragopogon pratensis | Salsifis des prés | Gele morgenster | | |
| Trametes hirsuta | | Ruig elfenbankje | | |
| Trametes suaveolens | | Anijskurkzwam | | |
| Trametes versicolor | Tramète versicolore | Gewoon elfenbankje | | |
| Tremella foliacea | Trémelle foliacée | Bruine trilzwam | Brown Witch's Butter | |
| Tremella mesenterica | Trémelle mésentérique | Gele Trilzwam | | |
| Hygromiidae | Trichia hispida | | Behaarde Slak | | |
| Trichia varia | | Fopdraadwatje | | |
| Scarabaeidae | Trichius zonatus | Trichie à bandes, Cétoine | Penseelkever | | Pinselkäfer |
| Staphylinidae | Trichiusa immigrata | | | | |
| Trichoceridae | Trichocera sp | Trichocère | Wintermug | Winter-gnats | |
| Tricholoma cingulatum | Tricholome ceinturé | Geringde ridderzwam | | |
| Tricholoma scalpturatum | Tricholome jaunissant | Zilveren ridderzwam | | |
| Trichoniscidae | Trichoniscus pusillus | Cloporte nain | Paars drieoogje | | |
| Fabaceae | Trifolium arvense | Pied-de- lièvre | Hazenpootje | | |
| Fabaceae | Trifolium campestre | Trèfle des champs | Liggende Klaver | | |
| Fabaceae | Trifolium dubium | Petit trèfle jaune | Kleine klaver | | |
| Fabaceae | Trifolium hybridum | Trèfle hybride | Basterdklaver | | |
| Fabaceae | Trifolium incarnatum | Trèfle incarnat | Inkarnaatklaver | | |
| Fabaceae | Trifolium pratense | Trèfle des près | Rode klaver | | |
| Fabaceae | Trifolium repens | Trèfle blanc, coucou | Witte klaver | | |
| Juncaginaceae | Triglochin palustris | Troscart des marais | Moeraszoutgras | | |
| Scolopacidae | Tringa ochropus | Chevalier culblanc | Witgatje | | |
| Hepialidae | Triodia sylvina Hepialus sylvinus, H. sylvina | Sylvine | Oranje wortelboorder | Orange Swift | Ampfer-Wurzelbohrer |
| Poaceae | Triticum aestivum | Blé commun, froment | Gewone tarwe | | |
| Cydnidae | Tritomegas bicolor Sehirus bicolor | | | | |
| Cydnidae | Tritomegas sexmaculatus | | | | |
| Troglodytidae | Troglodytes troglodytes | Troglodyte mignon | Winterkoning | | |
| Trombidiidae | Trombidium rostratus | | | | |
| Trombidiidae | Trombidium sp | Araignée rouge | Rode fluweelmijt | | |
| Syrphidae | Tropidia scita | | Moeraszweefvlieg | | |
| Trogidae | Trox scaber | | | | |
| Tephritidae | Trypeta artemisiae | | | | |
| Tephritidae | Trypeta zoe Trypeta zoe artemisicola | Mineuse du Séneçon | | | |
| Sciomyzidae | Trypetoptera punctulata | | | | |
| Tubaria hiemalis | Tubaire hivernale | Winterdonsvoetje | | |
| Aphididae | Tuberolachnus salignus | Puceron géant du Saule | Dromedarisluis, Grote wilgenbastluis | Large willow aphid | Pilegrenbladlus |
| Tubificidae | Tubifex tubifex | Tubifex | Slingerworm | Tubifex | Schlammrörhrenwurm |
| Liliaceae | Tulipa sp Tarda, Greigii Oriental beauty | Tulipe cultivée | Tulp | | |
| Turdidae | Turdus iliacus | Grive mauvis | Koperwiek | | |
| Turdidae | Turdus merula | Merle noir | Merel | | |
| Turdidae | Turdus philomelos | Grive musicienne | Zanglijster | | |
| Turdidae | Turdus pilaris | Grive litorne | Kramsvogel | | |
| Turdidae | Turdus torquatus | Merle à plastron | Beflijster | | |
| Turdidae | Turdus viscivorus | Grive draine | Grote lijster | | |
| Asteraceae | Tussilago farfara | Tussilage, Pas d'âne | Klein Hoefblad | | |
| Curculionidae | Tychius crassirostris | | | | Wärmeliebender Blütenrüssler |
| Typhaceae | Typha latifolia | Massette à larges feuilles | Grote lisdodde | | |
| Arctiidae | Tyria jacobaeae | Ecaille du séneçon | Jacobsvlinder | | Blutbär |
| Tytonidae | Tyto alba | Chouette effraie | Kerkuil | | |
| Coccinellidae | Tytthaspis sedecimpunctata | Coccinelle à 16 points | Zestienpuntlieveheersbeestje | 16 spot ladybird | Sechzehnpunkt |
| Crambidae | Udea ferrugalis U. martialis | La pyrale ferrugineuse | | Rusty Dot Pearl | |
| Crambidae | Udea fulvalis U. prunoidalis | | | | |
| Ulmaceae | Ulmus minor | Orme champêtre | Gewone iep | | Feld-Ulme |
| Ulmaceae | Ulmus x hollandica | Orme de Hollande | Hollandse iep, Hollandse olm | | |
| Ulota bruchii | | Knots-kroesmos | | |
| Ulota crispa | | Trompet-kroesmos | | |
| Uncinula adunca regularis | Oïdium | Echte meeldauw | Powdery mildew | |
| Tephritidae | Urophora cardui | Mouche du chardon | | | |
| Tephritidae | Urophora stylata | | Speerdistelboorvlieg | Spear thistle seed fly | Gelbe Bohrfliege |
| Urticaceae | Urtica dioica | Ortie dioïque, Grande ortie | Grote brandnetel | | |
| Urticaceae | Urtica urens | Ortie brûlante, Petite ortie | Kleine brandnetel | | |
| Ustulina deusta | | Korsthoutskoolzwam | | |
| Valerianaceae | Valeriana repens | Valeriane officinale à rejets | Echte valeriaan | | |
| Valerianaceae | Valerianella locusta | Mâche, Doucette | Gewone veldsla | | |
| Scarabaeidae | Valgus hemipterus | Cétoine punaise | | | Stolperkäfer |
| Valloniidae | Vallonia costata | | Geribde jachthorenslak | | |
| Valloniidae | Vallonia pulchella | | Fraaie Jachthorenslak | | |
| Valvatidae | Valvata piscinalis | | | | |
| Charadriidae | Vanellus vanellus | Vanneau huppé | Kievit | | |
| Nymphalidae | Vanessa atalanta Cynthia , Pyrameis | Vulcain | Atalanta | Red admiral | |
| Nymphalidae | Vanessa cardui Cynthia cardui | Belle-dame | Distelvlinder | | |
| Mordellidae | Variimorda villosa Sulcatimorda, V. fasciata | Mordelle | Viltbandkevertje | Tumbling flower beetle | Gebänderter Stachelkäfer |
| Veliidae | Velia currens | | Beekloper | | |
| Veliidae | Velia sp | | | | |
| Venturia inaequalis | Tavelure de la pomme | | | |
| Scrophulariaceae | Verbascum nigrum | Molène noire | Zwarte toorts | | |
| Scrophulariaceae | Verbascum thapsus | Bouillon blanc à petites fleurs | Koningskaars | | |
| Verbenaceae | Verbena officinalis | Verveine sauvage | Ijzerhard | | |
| Scrophulariaceae | Veronica arvensis | Véronique des champs | Veldereprijs | | |
| Scrophulariaceae | Veronica beccabunga | Véronique des ruisseaux | Beekpunge | | |
| Scrophulariaceae | Veronica chamaedrys | Véronique petit chêne | Gewone ereprijs | | |
| Scrophulariaceae | Veronica hederifolia | Véronique à feuilles de lierre | Klimopereprijs | | |
| Scrophulariaceae | Veronica peregrina | Véronique étrangère | Vreemde ereprijs | | Fremder Ehrenpreis |
| Scrophulariaceae | Veronica persica | Véronique de Perse | Grote ereprijs | | |
| Scrophulariaceae | Veronica serpyllifolia | Véronique à feuilles de serpolet | Tijmereprijs | | |
| Vertiginidae | Vertigo angustior | | Nauwe korfslak | | |
| Vertiginidae | Vertigo antivertigo | | Dikke korfslak | | Sumpfwindelschnecke |
| Vertiginidae | Vertigo pygmaea | | Dwergkorfslak | | Gemeine Windelschnecke |
| Vespidae | Vespa crabro | Frelon | Hoornaar | Hornet | Hornisse |
| Vespidae | Vespula germanica Allo-, Para-, Pseudo- , Rugo- | Guêpe européenne, Guêpe germanique | Duitse wesp | German wasp, European wasp | Deutsche vespe |
| Vespidae | Vespula vulgaris | Guêpe commune | Gewone wesp | English wasp | Gemeine wespe |
| Caprifoliaceae | Viburnum opulus | Viorne obier | Gelderse roos | | |
| Fabaceae | Vicia cracca | Vesce à épis | Vogelwikke | | |
| Fabaceae | Vicia faba | Fève des marais, féverolles | Tuinboom | | |
| Fabaceae | Vicia hirsuta | Vesce hérissée | Ringelwikke | | |
| Fabaceae | Vicia sativa | Vesce à folioles étroites | Smalle wikke | | |
| Fabaceae | Vicia sativa | Vesce cultivée | Voederwikke | | |
| Fabaceae | Vicia sepium | Vesce des haies | Heggenwikke | | |
| Fabaceae | Vicia tetrasperma | Vesce à quatre graines | Vierzadige wikke | | |
| Apocynaceae | Vinca major | Grande pervenche | Grote Maagdepalm | | |
| Apocynaceae | Vinca minor | Petite Pervenche | Kleine maagdenpalm | | |
| Violaceae | Viola arvensis | Pensée des champs | Akkerviooltje | | |
| Violaceae | Viola odorata | Violette odorante | Maarts Viooltje | | |
| Violaceae | Viola sp | Violette ou Pensée | Viooltje | | |
| Loranthaceae | Viscum album | Gui | Maretak | | |
| Pristilomatidae | Vitrea crystallina | | Gewone Kristalslak | | |
| Syrphidae | Volucella bombylans | Volucelle-bourdon | Aardhommelreus | | |
| Syrphidae | Volucella pellucens | Volucelle transparente | Hommelzweefvlieg | | |
| Syrphidae | Volucella zonaria | Volucelle zonée | Hoornaarzweefvlieg | | Hornissenschwebfliege |
| Volvariella bombycina | Volvaire soyeuse | Zijdeachtige beurszwam | | |
| Volvariella gloiocephala | Volvaire visqueuse | Gewone beurszwam | | |
| Canidae | Vulpes vulpes | Renard roux | Vos | | |
| Poaceae | Vulpia bromoides | Vulpie queue-d'écureuil | Eekhoorngras | | |
| Poaceae | Vulpia myuros | Vulpie queue-de- rat | Gewoon langbaardgras | | |
| Cecidomyiidae | Wachtliella rosarum | | Rozebladgalmug | | Rosenblattgallmücke |
| Caprifoliaceae | Weigela florida | Weigelia | Weigelia | | |
| Chrysomelidae | Xanthogaleruca luteola Pyrrhalta luteola, X. ulmi | Galéruque de l'orme | | Elm leaf beetle | Ulmenblattkäfer |
| Syrphidae | Xanthogramma pedissequum | | Gewone Citroenzwever | | |
| Staphylinidae | Xantholinus linearis | | | | |
| Staphylinidae | Xantholinus longiventris | | | | |
| Geometridae | Xanthorhoe ferrugata | Rouillée | Vierbandspanner | | |
| Geometridae | Xanthorhoe fluctuata | Phalène ondée | Zwartbandspanner | | |
| Geometridae | Xanthorhoe spadicearia | Phalène du Plantain | Bruine vierbandspanner | Red Twin-spot Carpet | |
| Xanthoria parietina | | Groot dooiermos | | |
| Noctuidae | Xestia c-nigrum | C-noir | Zwarte c-uil | Setaceous Hebrew Character | |
| Anobiidae | Xestobium plumbeum | | | | Dickfuß-Pochkäfer |
| Xylaria hypoxylon | Xylaire du bois | Geweizwam | | |
| Xylaria polymorpha | Xylaire polymorphe | Houtknotszwam | | |
| Syrphidae | Xylota segnis | | Gewone rode bladloper | | |
| Tephritidae | Xyphosia miliaria | | | | |
| Thomisidae | Xysticus cristatus | | Gewone Krabspin | | |
| Thomisidae | Xysticus ulmi | | Moeraskrabspin | | |
| Yponomeutidae | Yponomeuta cagnagella Y. plumbellus, cognatella | Grand Yponomeute du Fusain | Kardinaalsmutsstippelmot | Spindle Ermine | Pfaffenhütchen-Gespinstmotte |
| Yponomeutidae | Yponomeuta evonymella | | Vogelkersstippelmot | Full-Spotted Moth, Bird-cherry Ermine | Traubenkirschen-Gespinstmotte |
| Yponomeutidae | Yponomeuta padella | Yponomeute du cerisier | Meidoornstippelmot | | |
| Curculionidae | Zacladus geranii Zacladus affinis | | | Meadow Cranesbill Weevil | |
| Noctuidae | Zanclognatha tarsipennalis Herminia tarsipennalis | | Lijnsnuituil | Fan-foot | |
| Cimbicidae | Zaraea fasciata | Tenthrède du chèvrefeuille | Kamperfoeliebladwesp | Honeysuckle Sawfly | Keulhornblattwespe |
| Poaceae | Zea mays | Maïs | Mais | | |
| Pentatomidae | Zicrona caerulea | | | Blue bug | Bläuling |
| Araneidae | Zilla diodia | Diodie tête de mort | Maskerspinnetje, Struikwielspin | | Zwergradnetzspinne |
| Gastrodontidae | Zonitoides nitidus | | Donkere Glansslak | | |
| Zygaenidae | Zygaena filipendulae | Zygène de la Filipendule | Sint-Jansvlinder | | |
| Araneidae | Zygiella sp | | | | |
| Araneidae | Zygiella x-notata | Zygielle des fenêtres | Venstersectorspin | | Sektor- oder Herbstspinne |
| Cicadellidae | Zygina flammigera Flammigeroidea | | | | Gemeine Feuerzikade |
| Cicadellidae | Zygina lunaris Flammigeroidea; Z. impleta | | | | Mondfeuerzikade |
| Cicadellidae | Zyginella pulchra | | | | Diademblattzikade |
| Cicadellidae | Zyginidia scutellaris | | | | |
| Zygodon conoideus | | Staafjes-iepenmos | | |