Taxonomic names from F. M. Carpenter 1992
- Absyrtus, Holmgren 1858 [Ichneumonidae]
- Acallomyia, Melander 1927 [Empididae]
- Acanthocnemus, Perris 1866 [Acanthocnemidae]
- Acanthomyites, Cockerell 1921 [Diptera]
- Acartophthalmidae, family, Czerny 1928 [Diptera]
- Acartophthalmus, Czerny 1902 [Acartophthalmidae]
- Achalcus, Loew 1857 [Dolichopodidae]
- Aclista, Forster 1856 [Diapriidae]
- Acnemia, Winnertz 1863 [Mycetophilidae]
- Acoenitus, Latreille 1810 [Ichneumonidae]
- Acrocera, Meigen 1803 [Acroceridae]
- Acroceridae, family, Leach 1815 [Diptera]
- Adelphomyia, Bergroth 1891 [Limoniidae]
- Ademosynoides, Dunstan 1923 [Trachypachidae]
- Aedes, Meigen 1818 [Culicidae]
- Aetalionidae, family, Spinola 1850 [Hemiptera]
- Agabus, Leach 1817 [Dytiscidae]
- Agaon, Dalman 1818 [Agaonidae]
- Agaonidae, family, Walker 1871 [Hymenoptera]
- Agathis, Latreille 1804 [Braconidae]
- Agatoides, Motschulsky 1856 [Carabidae]
- Aglais, Dalman 1816 [Nymphalidae]
- Agraylea, Curtis 1834 [Hydroptilidae]
- Agromyza, Fallen 1852 [Agromyzidae]
- Agromyzidae, family, Bigot 1852 [Diptera]
- Alaptus, Westwood 1839 [Mymaridae]
- Alastor, Lepeletier 1841 [Vespidae]
- Aleocharopsis, Wickham 1913 [Staphylinidae]
- Allactoneura, de Meijere 1907 [Mycetophilidae]
- Allactoneurites, Rohdendorf 1938 [Pleciofungivoridae]
- Allodia, Winnertz 1863 [Mycetophilidae]
- Allotrichia, MacLachlan 1880 [Hydroptilidae]
- Altajopanorpa, Martynova 1948 [Kaltanidae]
- Alysia, Latreille 1804 [Braconidae]
- Amblyteles, Wesmael 1845 [Ichneumonidae]
- Ametropus, Albarda 1878 [Ametropodidae]
- Amphicosmus, Coquillett 1891 [Bombyliidae]
- Ampulicomorpha, Ashmead 1893 [Embolemidae]
- Anaphes, Haliday 1833 [Mymaridae]
- Ancistrocerus, Wesmael 1836 [Vespidae]
- Andrena, Fabricius 1775 [Andrenidae]
- Andrenidae, family, Latreille 1802 [Hymenoptera]
- Andricus, Hartig 1840 [Cynipidae]
- Anepsiomyia, Bezzi 1902 [Dolichopodidae]
- Aneura, Marshall 1896 [Mycetophilidae]
- Aneurhynchus, Westwood 1832 [Diapriidae]
- Aneurobaeus, Kieffer 1912 [Platygastridae]
- Anevrina, Lioy 1864 [Phoridae]
- Angaragabus, Ponomarenko 1963 [Dytiscidae]
- Angaridyela, Rasnitsyn 1966 [Xyelidae]
- Angaropsychops, Martynova 1949 [Psychopsidae]
- Anoeciidae, family, Tullgren 1909 [Aphididae]
- Anomalites, Fritsch 1884 [Scarabaeidae]
- Anomalon, Panzer 1804 [Ichneumonidae]
- Anomoxyela, Rasnitsyn 1966 [Xyelidae]
- Anopheles, Meigen 1818 [Culicidae]
- Anoplius, Dufour 1834 [Pompilidae]
- Antefungivora, Rohdendorf 1938 [Pleciomimidae]
- Anthidium, Fabricius 1805 [Megachilidae]
- Anthobosca, Guerin-Meneville 1838 [Tiphiidae]
- Anthomyza, Fallen 1810 [Anthomyzidae]
- Anthomyzidae, family, Frey 1921 [Diptera]
- Anthophora, Latreille 1803 [Apidae]
- Anthophoridae, family, Kirby 1837 [Apidae]
- Anthracida, Germar 1849 [Diptera]
- Antiquamedia, Rohdendorf 1938 [Pleciomimidae]
- Antocha, Osten-Sacken 1869 [Limoniidae]
- Anybia, Stainton 1854 [Momphidae]
- Apanteles, Forster 1862 [Braconidae]
- Apenesia, Westwood 1874 [Bethylidae]
- Aphidius, Nees 1818 [Braconidae]
- Aphiochaeta, Brues 1903 [Phoridae]
- Apolysis, Loew 1860 [Bombyliidae]
- Aporia, Hubner 1819 [Pieridae]
- Araeopidae, family, Metcalf 1938 [Hemiptera]
- Archaebelyta, Meunier 1923 [Diapriidae]
- Archaemacrocera, Meunier 1917 [Mycetophilidae]
- Archedilaropsis, Martynov 1935 [Neuroptera]
- Archiconis, Enderlein 1930 [Coniopterygidae]
- Archidiptera, suborder, Rohdendorf 1961 [Diptera]
- Archiphora, Schmitz 1929 [Phoridae]
- Archirhagio, Rohdendorf 1938 [Archisargidae]
- Arctiites, Rebel 1898 [Erebidae]
- Arescon, Walker 1846 [Mymaridae]
- Arge, Schrank 1802 [Argidae]
- Argidae, family, Konow 1890 [Hymenoptera]
- Argyra, Macquart 1834 [Dolichopodidae]
- Arthropterus, M'Leay 1838 [Carabidae]
- Artiepyris, Kieffer 1913 [Bethylidae]
- Asarcina, Macquart 1842 [Syrphidae]
- Ascalaphidae, family, Lefebure 1842 [Neuroptera]
- Ascalaphus, Farbricius 1775 [Ascalaphidae]
- Ascogaster, Wesmael 1835 [Braconidae]
- Asindulum, Latreille 1805 [Keroplatidae]
- Asioxyela, Rasnitsyn 1964 [Xyelidae]
- Aspicolpus, Wesmael 1836 [Braconidae]
- Aspilota, Forster 1862 [Braconidae]
- Asteia, Meigen 1830 [Asteiidae]
- Asteiidae, family, Rondani 1856 [Diptera]
- Astiphromma, forster 1868 [Ichneumonidae]
- Atalophlebia, Eaton 1881 [Leptophlebiidae]
- Atarba, Osten-Sacken 1869 [Limoniidae]
- Ateuchites, Meunier 1898 [Scarabaeidae]
- Athalia, Leach 1817 [Tenthredinidae]
- Athericidae, family, Stuckenberg 1973 [Diptera]
- Atherix, Meigen 1803 [Athericidae]
- Atrichopogon, Kieffer 1906 [Ceratopogonidae]
- Atrichops, Verrall 1909 [Rhagionidae]
- Aulacidae, family, Shuckard 1841 [Hymenoptera]
- Aulacidea, Ashmead 1897 [Cynipidae]
- Aulacigaster, Macquart 1835 [Aulacigastridae]
- Aulacigastridae, family, Duda 1924 [Diptera]
- Aulacogastrinus, Rasnitsyn 1983 [Praeaulacidae]
- Aulacostethus, Philippi 1873 [Aulacidae]
- Aulacus, Jurine 1807 [Aulacidae]
- Austrohelcon, Turner 1918 [Braconidae]
- Austrolimnophila, Alexander 1920 [Limoniidae]
- Austrolocymmerus, Freeman 1954 [Mycetophilidae]
- Austropanorpa, Riek 1952 [Austropanorpidae]
- Baeohelea, Wirth and Blanton 1970 [Ceratopogonidae]
- Baetidae, family, Leach 1815 [Ephemeroptera]
- Baetis, Leach 1815 [Baetidae]
- Baissoxyela, Rasnitsyn 1969 [Xyelidae]
- Baryconus, Forster 1856 [Platygastridae]
- Barylypa, Forster 1868 [Ichneumonidae]
- Batrisus, Aube 1833 [Staphylinidae]
- Behningia, Lestage 1930 [Behningiidae]
- Behningiidae, family, Motas and Bocasco 1938 [Ephemeroptera]
- Beraea, Stephens 1833 [Beraeidae]
- Beraeidae, family, Wallengren 1891 [Trichoptera]
- Bereodes, Eaton 1867 [Beraeidae]
- Beris, Latreille 1802 [Stratiomyidae]
- Berotha, Walker 1860 [Berothidae]
- Berothidae, family, Handlirsch 1906 [Neuroptera]
- Bethylidae, family, Forster 1856 [Hymenoptera]
- Bethylus, Latreille 1802 [Bethylidae]
- Bianchia, Martynova 1952 [Permithonidae]
- Bibiodes, Coquillett 1904 [Bibionidae]
- Bittacidae, family, Handlirsch 1906 [Mecoptera]
- Bittacopanorpa, Zalessky 1935 [Mesopsychidae]
- Bittacus, Latreille 1805 [Bittacidae]
- Biturritiidae, family, Metcalf 1951 [Hemiptera]
- Blacus, Nees 1818 [Braconidae]
- Blasticotoma, Klug 1834 [Blasticotomidae]
- Blasticotomidae, family, Thomson 1871 [Hymenoptera]
- Blepharocera, Macquart 1843 [Blephariceridae]
- Bolbomyia, Loew 1850 [Bolbomyiidae]
- Boletina, Staeger 1840 [Mycetophilidae]
- Bombus, Latreille 1802 [Apidae]
- Bombyliidae, family, Latreille 1802 [Diptera]
- Bombylius, Linnaeus 1758 [Bombyliidae]
- Borgia, Navas 1913 [Ascalaphidae]
- Boscoleus, Kukalova 1969 [Moravocoleidae]
- Bothriomicromus, Scudder 1878 [Neuroptera]
- Brachycentridae, family, Ulmer 1903 [Trichoptera]
- Brachycentrus, Curtis 1834 [Brachycentridae]
- Brachycera, suborder, Zetterstedt 1842 [Diptera]
- Brachypeza, Winnertz 1863 [Mycetophilidae]
- Brachyponera, Emery 1901 [Formicidae]
- Brachysyntexis, Rasnitsyn 1969 [Anaxyelidae]
- Bradysia, Winnertz 1867 [Mycetophilidae]
- Brongniartiella, Meunier 1898 [Brongniartiellidae]
- Brongniartiellidae, family, Martynova 1949 [Neuroptera]
- Bruesisca, Hequist 1961 [Pteromalidae]
- Brunettia, Annandale 1910 [Psychodidae]
- Bryaxis, Kugelann 1794 [Staphylinidae]
- Bryocrypta, Kieffer 1896 [Cecidomyiidae]
- Bythinus, Leach 1817 [Staphylinidae]
- Cacosis, Walker 1851 [Stratiomyidae]
- Calamoceras, Brauer 1865 [Calamoceratidae]
- Calamoceratidae, family, Ulmer 1905 [Trichoptera]
- Caliroa, Costa 1859 [Tenthredinidae]
- Calliphora, Robineau-Desvoidy 1830 [Calliphoridae]
- Calliphoridae, family, Brauer and von Bergenstamm 1889 [Diptera]
- Callomyia, Meigen 1804 [Platypezidae]
- Calobata, Meigen 1803 [Micropezidae]
- Calyoza, Westwood 1837 [Bethylidae]
- Camilla, Haliday 1836 [Camillidae]
- Camillidae, family, Frey 1921 [Diptera]
- Campoplex, Gravenhorst 1829 [Ichneumonidae]
- Campsicnemus, Haliday 1832 [Dolichopodidae]
- Camptomyia, Kieffer 1894 [Cecidomyiidae]
- Campylomyza, Meigen 1818 [Cecidomyiidae]
- Cantharoctonus, Viereck 1912 [Braconidae]
- Carabites, Heer 1852 [Carabidae]
- Carnidae, family, Frey 1921 [Diptera]
- Carnus, Nitzch 1818 [Carnidae]
- Catachora, Townes 1973 [Ichneumonidae]
- Cecidomyia, Meigen 1803 [Cecidomyiidae]
- Cecidomyiidae, family, Newman 1835 [Diptera]
- Celliforma, Brown 1934 [Apidae]
- Cenomanscelio, Schluter 1978 [Hymenoptera]
- Cephalosphaera, Enderlein 1936 [Pipunculidae]
- Cephidae, family, Newman 1835 [Hymenoptera]
- Cephus, Latreille 1802 [Cephidae]
- Cerapachys, Smith 1857 [Formicidae]
- Ceratina, Latreille 1802 [Apidae]
- Ceratobaeoides, Dodd 1913 [Platygastridae]
- Ceratocheilus, Wesche 1910 [Limoniidae]
- Ceratopogon, Meigen 1803 [Ceratopogonidae]
- Ceratopogonidae, family, Skuse 1890 [Diptera]
- Ceraturgus, Wiedemann 1824 [Asilidae]
- Cerceris, Latreille 1802 [Sphecidae]
- Ceroxyela, Rasnitsyn 1966 [Xyelidae]
- Ceruchites, Statz 1952 [Lucanidae]
- Chaetocnemistoptera, Borgmeier 1923 [Phoridae]
- Chaetoxyela, Rasnitsyn 1966 [Xyelidae]
- Chalcididae, family, Leach 1815 [Hymenoptera]
- Chalcis, Fabricius 1789 [Chalcididae]
- Chalybion, Dahlbom 1844 [Sphecidae]
- Chamaemyia, Meigen 1803 [Chamaemyiidae]
- Chamaemyiidae, family, Hendel 1910 [Diptera]
- Chaoborus, Lichtenstein 1800 [Chaoboridae]
- Chauliodes, Latreille 1796 [Corydalidae]
- Cheilosia, Meigen 1822 [Syrphidae]
- Chelifera, Macquart 1823 [Empididae]
- Chelipoda, Macquart 1823 [Empididae]
- Chelonus, Panzer 1806 [Braconidae]
- Chilostigma, McLachlan 1876 [Limnephilidae]
- Chionaemopsis, Cockerell and LeVeque 1931 [Lepidoptera]
- Chironomus, Meigen 1803 [Chironomidae]
- Chlorippe, Doubleday 1844 [Nymphalidae]
- Chloropidae, family, Rondani 1856 [Diptera]
- Chlorops, Meigen 1803 [Chloropidae]
- Chorista, Klug 1836 [Choristidae]
- Choristidae, family, Esben-Petersen 1915 [Mecoptera]
- Chromoteleia, Ashmead 1893 [Platygastridae]
- Chrysididae, family, Latreille 1802 [Hymenoptera]
- Chrysis, Linne 1761 [Chrysididae]
- Chrysogaster, Meigen 1800 [Syrphidae]
- Chrysopa, Leach 1815 [Chrysopidae]
- Chrysopidae, family, Hagen 1866 [Neuroptera]
- Chrysopilus, Macquart 1826 [Rhagionidae]
- Chrysops, Meigen 1800 [Tabanidae]
- Chrysothemis, Loew 1850 [Xylophagidae]
- Chrysotus, Meigen 1824 [Dolichopodidae]
- Chyromya, Robineau-Desvoidy 1830 [Chyromyidae]
- Chyromyidae, family, Frey 1921 [Diptera]
- Cimbrochrysa, Schluter 1982 [Chrysopidae]
- Cinetus, Jurine 1807 [Diapriidae]
- Cinygma, Eaton 1885 [Heptageniidae]
- Cladius, Illiger 1807 [Tenthredinidae]
- Cladoneura, Scudder 1894 [Limoniidae]
- Cladura, Osten-Sacken 1859 [Limoniidae]
- Clastopteridae, family, Dohrn 1859 [Hemiptera]
- Clidicus, Laporte 1833 [Staphylinidae]
- Climaconeura, Pruvost 1912 [Insecta]
- Clinocentrus, Haliday 1833 [Braconidae]
- Cloeon, Leach 1815 [Baetidae]
- Clusia, Haliday 1838 [Clusiidae]
- Clusiidae, family, Frey 1921 [Diptera]
- Clusiodes, Coquillett 1904 [Clusiidae]
- Cobboldia, Brauer 1887 [Oestridae]
- Coeloreuteus, Roman 1910 [Braconidae]
- Coelosia, Winnertz 1863 [Mycetophilidae]
- Colastes, Haliday 1833 [Braconidae]
- Coleocentrus, Gravenhorst 1829 [Ichneumonidae]
- Colpodia, Winnertz 1853 [Cecidomyiidae]
- Colymbetes, Schellenberg 1806 [Dytiscidae]
- Conicera, Meigen 1830 [Phoridae]
- Coniopterygidae, family, Burmeister 1838 [Neuroptera]
- Coniopteryx, Curtis 1834 [Coniopterygidae]
- Conopidae, family, Latreille 1802 [Diptera]
- Conops, Linne 1758 [Conopidae]
- Conostigmus, Dahlbom 1858 [Megaspilidae]
- Copelatus, Erichson 1832 [Dytiscidae]
- Cophura, Osten-Sacken 1887 [Asilidae]
- Copromorpha, Meyrick 1905 [Copromorphidae]
- Copromorphidae, family, Meyrick 1905 [Lepidoptera]
- Coptoclavidae, family, Ponomarenko 1961 [Coleoptera]
- Cordyla, Meigen 1803 [Mycetophilidae]
- Corydalidae, family, Leach 1815 [Megaloptera]
- Corydalus, Latreille 1802 [Corydalidae]
- Cossidae, family, Leach 1815 [Lepidoptera]
- Cossus, Fabricius 1793 [Cossidae]
- Cremastus, Gravenhorst 1829 [Ichneumonidae]
- Cremnops, Forster 1862 [Braconidae]
- Creniphilites, Wickham 1913 [Hydrophilidae]
- Cretavus, Sharov 1957 [Mutillidae]
- Cretoneta, Tshernova 1971 [Siphlonuridae]
- Cricotopus, van der Wulp 1874 [Chironomidae]
- Cronicus, Eaton 1871 [Coloburiscidae]
- Crosaphis, Evans 1971 [Crosaphididae]
- Cryptochaetum, Rondani 1875 [Cryptochetidae]
- Cryptocheilus, Panzer 1806 [Pompilidae]
- Cryptochetidae, family, Brues and Melander 1932 [Diptera]
- Cryptodiodon, Schaufuss 1890 [Staphylinidae]
- Ctenostematopteryx, Haupt 1952 [Insecta]
- Ctenucha, Kirby 1837 [Erebidae]
- Ctenuchidae, family, Kirby 1837 [Erebidae]
- Cubocephalus, Ratzeburg 1848 [Ichneumonidae]
- Culex, Linne 1758 [Culicidae]
- Culicidae, family, Billberg 1820 [Diptera]
- Culicoides, Latreille 1809 [Ceratopogonidae]
- Cupes, Fabricius 1801 [Cupedidae]
- Cupoides, Motschulsky 1856 [Cupedidae]
- Curtonotum, Macquart 1842 [Curtonotidae]
- Cybister, Curtis 1827 [Dytiscidae]
- Cylindrotoma, Macquart 1834 [Cylindrotomidae]
- Cynipidae, family, Leach 1815 [Hymenoptera]
- Cynips, Linne 1758 [Cynipidae]
- Cyphomyia, Wiedemann 1819 [Stratiomyidae]
- Cypselosoma, Hendel 1913 [Cypselosomatidae]
- Cypselosomatidae, family, Hendel 1931 [Diptera]
- Cyrtoscydmus, Motschulsky 1869 [Staphylinidae]
- Cyttaromyella, Meunier 1915 [Limoniidae]
- Dacnonypha, suborder, Hinton 1946 [Lepidoptera]
- Dactylolabis, Osten-Sacken 1859 [Limoniidae]
- Dasyhelea, Kieffer 1913 [Ceratopogonidae]
- Dasyleptidae, family, Sharov 1957 [Machilida]
- Dasyleptus, Brongniart 1885 [Dasyleptidae]
- Demophorus, Thomson 1890 [Ichneumonidae]
- Dendroleon, Brauer 1866 [Myrmeleontidae]
- Derobrochus, Scudder 1885 [Trichoptera]
- Diaeretus, Forster 1862 [Braconidae]
- Dialysis, Walker 1850 [Rhagionidae]
- Diamesa, Walts 1837 [Chironomidae]
- Dianepsia, Loew 1850 [Mycetophilidae]
- Dianthidium, Cockerell 1900 [Megachilidae]
- Diaphorus, Meigen 1824 [Dolichopodidae]
- Diapria, Latreille 1796 [Diapriidae]
- Diapriidae, family, Haliday 1833 [Hymenoptera]
- Diapriites, Statz 1938 [Hymenoptera]
- Diastata, Meigen 1830 [Diastatidae]
- Diastatidae, family, Frey 1921 [Diptera]
- Dicondylus, Curtis 1829 [Dryinidae]
- Dicranomyia, Stephens 1829 [Limoniidae]
- Dicranoptycha, Osten-Sacken 1859 [Limoniidae]
- Dicroneurus, Kieffer 1895 [Cecidomyiidae]
- Dictyodiptera, Rohdendorf 1961 [Dictyodipteridae]
- Dictyodipteridae, family, Rohdendorf 1961 [Diptera]
- Dilophus, Meigen 1803 [Bibionidae]
- Dineura, Dahlbom 1835 [Tenthredinidae]
- Dioctria, Meigen 1803 [Asilidae]
- Diopsidae, family, Billberg 1820 [Diptera]
- Diopsis, Linne 1775 [Diopsidae]
- Diospilus, Haliday 1833 [Braconidae]
- Diplectrona, Westwood 1840 [Hydropsychidae]
- Diplolepis, Geoffroy 1762 [Cynipidae]
- Diplonevra, Lioy 1864 [Phoridae]
- Diplopolyneura, Rohdendorf 1961 [Limoniidae]
- Diplopolyneuridae, family, Rohdendorf 1961 [Diptera]
- Dipogon, Fox 1897 [Pompilidae]
- Diprion, Schrank 1802 [Diprionidae]
- Diprionidae, family, Rohwer 1911 [Hymenoptera]
- Dipterites, Heer 1849 [Diptera]
- Dipterodictya, Rohdendorf 1961 [Limoniidae]
- Dischistus, Loew 1855 [Bombyliidae]
- Dissolcus, Ashmead 1893 [Platygastridae]
- Ditomyia, Winnertz 1846 [Mycetophilidae]
- Ditrysia, Borner 1939 [Lepidoptera]
- Dixa, Meigen 1818 [Dixidae]
- Dixamimidae, family, Rohdendorf 1962 [Diptera]
- Dixidae, family, Van der Wulp 1877 [Diptera]
- Docosia, Winnertz 1863 [Mycetophilidae]
- Dolerus, Panzer 1801 [Tenthredinidae]
- Dolichomyia, Wiedemann 1830 [Bombyliidae]
- Dolichopodidae, family, Latreille 1809 [Diptera]
- Dolichopus, Latreille 1796 [Dolichopodidae]
- Dolophilus, MacLachlan 1868 [Philopotamidae]
- Dorcasoides, Motschulsky 1856 [Lucanidae]
- Doryctomorpha, Ashmead 1901 [Braconidae]
- Drapetis, Meigen 1822 [Hybotidae]
- Drosophila, Rondani 1856 [Drosophilidae]
- Drosophilidae, family, Rondani 1856 [Diptera]
- Dryinidae, family, Haliday 1833 [Hymenoptera]
- Dryinus, Latreille 1804 [Dryinidae]
- Duterotyrus, Schaufuss 1890 [Staphylinidae]
- Dysaletria, Loew 1860 [Hybotidae]
- Dyseriocrania, Spuler 1910 [Eriocraniidae]
- Dyspolyneura, Rohdendorf 1961 [Protopleciidae]
- Dyspolyneuridae, family, Rohdendorf 1961 [Diptera]
- Dytiscus, Linne 1758 [Dytiscidae]
- Dziedzickia, Johannsen 1909 [Mycetophilidae]
- Ecommocydromia, Schluter 1978 [Empididae]
- Ecphylus, Forster 1862 [Braconidae]
- Ectemnius, Dahlbom 1845 [Sphecidae]
- Ectrepesthoneura, Enderlein 1910 [Mycetophilidae]
- Elachista, Treitschke 1833 [Elachistidae]
- Elachistidae, family, Stainton 1854 [Lepidoptera]
- Electrocephus, Konow 1897 [Cephidae]
- Electrodryinus, Ponomarenko 1975 [Dryinidae]
- Electropsocus, Roesler 1940 [Pseudocaeciliidae]
- Electroscydmaenus, Schaufuss 1890 [Staphylinidae]
- Electrotenia, Kalugina 1980 [Chironomidae]
- Electrotoma, Rasnitsyn 1977 [Electrotomidae]
- Electrotomidae, family, Rasnitsyn 1977 [Hymenoptera]
- Elektraphididae, family, Steffan 1968 [Hemiptera]
- Elenchidae, family, Perkins 1905 [Strepsiptera]
- Elenchus, Curtis 1831 [Elenchidae]
- Elephantomyia, Osten-Sacken 1859 [Limoniidae]
- Embaneura, Zalessky 1953 [Psychopsidae]
- Embolemus, Westwood 1833 [Embolemidae]
- Empeda, Osten-Sacken 1869 [Limoniidae]
- Empididae, family, Latreille 1804 [Diptera]
- Empis, Linnaeus 1758 [Empididae]
- Encyrtidae, family, Forster 1856 [Hymenoptera]
- Encyrtus, Latreille 1809 [Encyrtidae]
- Endopterygota, subclass, Sharp 1899 [Insecta]
- Enneoxyela, Rasnitsyn 1966 [Xyelidae]
- Eobraconus, Rasnitsyn 1985 [Braconidae]
- Eocoleus, Kukalova 1969 [Moravocoleidae]
- Eoformica, Cockerell 1921 [Formicidae]
- Eoglosselytrum, O. Martynova 1952 [Jurinidae]
- Eomyza, Cockerell 1924 [Diptera]
- Eopachylosticta, Malaise 1945 [Cimbicidae]
- Eopanorpella, Schmidt 1962 [Insecta]
- Eophlebomyiidae, family, Cockerell 1925 [Diptera]
- Eosilphites, Haupt 1950 [Silphidae]
- Eostratiomyiidae, family, Rohdendorf 1962 [Diptera]
- Eoxeris, Maa 1949 [Siricidae]
- Eoxyela, Rasnitsyn 1965 [Xyelidae]
- Epeoromimidae, family, Tshernova 1969 [Ephemeroptera]
- Epeoromimus, Tshernova 1969 [Epeoromimidae]
- Ephedrus, Haliday 1833 [Braconidae]
- Ephemera, Linne [Ephemeridae]
- Ephemera cellulosa, Hagen 1862 [Hexagenitidae]
- Ephemeropsis, Eichwald 1864 [Hexagenitidae]
- Ephialtites, Meunier 1903 [Ephialtitidae]
- Epidia, Weyenbergh 1869 [Diptera]
- Epidosis, Loew 1850 [Cecidomyiidae]
- Epiphragma, Osten-Sacken 1859 [Limoniidae]
- Epistrophe, Walker 1852 [Syrphidae]
- Epyris, Westwood 1874 [Bethylidae]
- Eriocampa, Hartig 1837 [Tenthredinidae]
- Eriocera, Macquart 1838 [Tipulidae]
- Eriocrania, Zeller 1851 [Eriocraniidae]
- Eriocraniidae, family, Meyrick 1927 [Lepidoptera]
- Erioptera, Meigen 1803 [Limoniidae]
- Eristalis, Latreille 1804 [Syrphidae]
- Erotesis, McLachlan 1877 [Leptoceridae]
- Eterochalcis, Burks 1939 [Chalcididae]
- Ethmia, Hubner 1819 [Elachistidae]
- Eubaeus, Townes 1973 [Ichneumonidae]
- Eubazus, Nees 1814 [Braconidae]
- Euconnus, Thomson 1859 [Staphylinidae]
- Eudoteridae, family, Demoulin 1954 [Ephemerida]
- Eugonia, Hubner 1819 [Nymphalidae]
- Eulophidae, family, Haliday 1833 [Hymenoptera]
- Eulophus, Geoffroy 1762 [Eulophidae]
- Eumacrocentrus, Ashmead 1901 [Braconidae]
- Eunortonia, Carpenter 1986 [Vespidae]
- Euphorus, Nees 1834 [Braconidae]
- Euplectus, Leach 1817 [Staphylinidae]
- Eupsenella, Westwood 1874 [Bethylidae]
- Eupsinoides, Motschulsky 1856 [Staphylinidae]
- Eurycnemus, van der Wulp 1874 [Chironomidae]
- Eurytoma, Illiger 1807 [Eurytomidae]
- Eurytomidae, family, Illiger 1807 [Hymenoptera]
- Euryxyela, Rasnitsyn 1965 [Xyelidae]
- Evania, Fabricius 1775 [Evaniidae]
- Evanigaster, Rasnitsyn 1972 [Praeaulacidae]
- Evaniidae, family, Leach 1815 [Hymenoptera]
- Evaniops, Rasnitsyn 1972 [Praeaulacidae]
- Exacrodus, Foerster 1868 [Ichneumonidae]
- Exechia, Winnertz 1863 [Mycetophilidae]
- Exenterus, Hartig 1837 [Ichneumonidae]
- Exochus, Gravenhorst 1829 [Ichneumonidae]
- Exoprosopa, Macquart 1840 [Bombyliidae]
- Fannia, Robineau-Desvoidy 1830 [Fanniidae]
- Faronus, Aube 1844 [Staphylinidae]
- Fenusa, Leach 1817 [Tenthredinidae]
- Ferganoxyela, Rasnitsyn 1969 [Xyelidae]
- Fibla, Navas 1915 [Inocelliidae]
- Figites, Latreille 1802 [Figitidae]
- Figitidae, family, Forster 1869 [Hymenoptera]
- Folindusia, Berry 1927 [Trichoptera]
- Formicium, Westwood 1854 [Formicidae]
- Frirenia, Kieffer 1894 [Cecidomyiidae]
- Fungivorites, Rohdendorf 1938 [Pleciofungivoridae]
- Galesimorpha, Brues 1910 [Diapriidae]
- Galloromma, Schluter 1978 [Gallorommatidae]
- Gallosphex, Schluter 1978 [Sphecidae]
- Ganonema, McLachlan 1866 [Calamoceratidae]
- Gasterophilidae, family, Girschner 1896 [Oestridae]
- Gasterophilus, Leach 1817 [Oestridae]
- Geometra, Linne 1758 [Geometridae]
- Geometridae, family, Leach 1815 [Lepidoptera]
- Georgium, Fischer 1964 [Calamoceratidae]
- Geron, Meigen 1820 [Bombyliidae]
- Gigantoxyela, Rasnitsyn 1966 [Xyelidae]
- Glabellula, Bezzi 1902 [Mythicomyiidae]
- Glessaria, Koch and Berendt 1854 [Dytiscidae]
- Glosselytridae, family, Martynov 1938 [Glosselytrodea]
- Glosselytrodea, order, Martynov 1938 [Insecta]
- Glosselytron, Martynov 1938 [Glosselytridae]
- Glossinidae, family, Malloch 1929 [Diptera]
- Glossosoma, Curtis 1843 [Glossosomatidae]
- Glossosomatidae, family, Wallgren 1891 [Trichoptera]
- Glypta, Gravenhorst 1829 [Ichneumonidae]
- Gnamptogenys, Roger 1863 [Formicidae]
- Gnophomyia, Osten-Sacken 1859 [Limoniidae]
- Gnoriste, Meigen 1818 [Mycetophilidae]
- Goera, Stephens 1829 [Goeridae]
- Goeridae, family, Ulmer 1903 [Trichoptera]
- Gonatocerus, Nees 1834 [Mymaridae]
- Gonomyia, Meigen 1818 [Limoniidae]
- Gorytes, Latreille 1804 [Sphecidae]
- Grammapsychops, Martynova 1954 [Psychopsidae]
- Grammositus, Dunstan 1923 [Ademosynidae]
- Graphoderus, Dejean 1833 [Dytiscidae]
- Gymnastes, Brunetti 1911 [Limoniidae]
- Gymnopternus, Loew 1857 [Dolichopodidae]
- Gyrinoides, Motschulsky 1856 [Gyrinidae]
- Gyrinus, Geoffroy 1762 [Gyrinidae]
- Hadronotoides, Dodd 1913 [Platygastridae]
- Hadronotus, Forster 1856 [Platygastridae]
- Halictus, Latreille 1804 [Halictidae]
- Harpactostigma, Ashmead 1899 [Sphecidae]
- Hecabolus, Haliday 1834 [Braconidae]
- Helcon, Nees 1814 [Braconidae]
- Heleomyza, Fallen 1810 [Heleomyzidae]
- Heleomyzidae, family, Loew 1862 [Diptera]
- Helicopsyche, Von Siebold 1856 [Helicopsychidae]
- Heliocopris, Hope 1837 [Scarabaeidae]
- Helius, Lepeletier and Serville 1828 [Limoniidae]
- Hellwigia, Gravenhorst 1823 [Ichneumonidae]
- Heloridae, family, Forster 1856 [Hymenoptera]
- Helorus, Latreille 1802 [Heloridae]
- Hemerobiidae, family, Leach 1815 [Neuroptera]
- Hemerobius, Linne 1758 [Hemerobiidae]
- Hemichroa, Stephens 1835 [Tenthredinidae]
- Heminiphetia, Enderlein 1930 [Coniopterygidae]
- Hemisemidalis, Meinander 1972 [Coniopterygidae]
- Hemiteles, Brues 1829 [Ichneumonidae]
- Hercostomus, Loew 1857 [Dolichopodidae]
- Heriades, Spinola 1808 [Megachilidae]
- Hesperia, Fabricius 1793 [Hesperiidae]
- Hesperiidae, family, Leach 1815 [Lepidoptera]
- Hesperinus, Walker 1848 [Hesperinidae]
- Hetereuthia, Schaufuss 1890 [Staphylinidae]
- Heteromyiella, Hendel 1910 [Heleomyzidae]
- Heteromyza, Fallen 1820 [Heleomyzidae]
- Heteropeza, Winnertz 1846 [Cecidomyiidae]
- Heterotricha, Loew 1850 [Mycetophilidae]
- Heuretus, Schaufuss 1890 [Staphylinidae]
- Hexameropsis, Tshernova and Sinitshenkova 1974 [Hexagenitidae]
- Hexatoma, Latreille 1809 [Limoniidae]
- Heydeniopsis, Hequist 1961 [Pteromalidae]
- Hilara, Meigen 1822 [Empididae]
- Himoneura, Meigen 1820 [Nemestrinidae]
- Hippelates, Loew 1863 [Chloropidae]
- Hippobosca, Linne 1758 [Hippoboscidae]
- Hippoboscidae, family, Samouelle 1819 [Diptera]
- Holepyris, Kieffer 1904 [Bethylidae]
- Holocentropus, MacLachlan 1878 [Polycentropodidae]
- Holocnomus, Perez 1940 [Braconidae]
- Holomeristus, forster 1868 [Ichneumonidae]
- Holopogon, Loew 1847 [Asilidae]
- Holorusia, Loew 1863 [Tipulidae]
- Homoglenus, Kieffer 1904 [Bethylidae]
- Hoplocampa, Hartig 1837 [Tenthredinidae]
- Hoploteleia, Ashmead 1893 [Platygastridae]
- Hormiellus, Enderlein 1912 [Braconidae]
- Hormiopterus, Giraud 1869 [Braconidae]
- Horogenes, Forster 1868 [Ichneumonidae]
- Hybos, Meigen 1803 [Hybotidae]
- Hydriomena, Hubner 1825 [Geometridae]
- Hydrobiosidae, family, Ulmer 1905 [Trichoptera]
- Hydrobiosis, MacLachlan 1870 [Hydrobiosidae]
- Hydrophilopsis, Heer 1862 [Hydrophilidae]
- Hydrophilus, Geoffroy 1762 [Hydrophilidae]
- Hydroporus, Schellenberg 1806 [Dytiscidae]
- Hydropsyche, Pictet 1834 [Hydropsychidae]
- Hydropsychidae, family, Curtis 1835 [Trichoptera]
- Hydroptila, Dalmon 1819 [Hydroptilidae]
- Hydroptilidae, family, Stephens 1835 [Trichoptera]
- Hygroceleuthus, Loew 1857 [Dolichopodidae]
- Hyperpolyneura, Rohdendorf 1961 [Diptera]
- Hyperpolyneuridae, family, Rohdendorf 1961 [Diptera]
- Hypoperlopsis, Zalessky 1948 [Hypoperlidae]
- Hypsicera, Latreille 1829 [Ichneumonidae]
- Hystrichopsyllidae, family, Tiraboschi 1904 [Siphonaptera]
- Ibalia, Latreille 1802 [Ibaliidae]
- Ibaliidae, family, Forster 1869 [Hymenoptera]
- Ichneumon, Linne 1758 [Ichneumonidae]
- Ichneutes, Nees 1816 [Braconidae]
- Ijapsyche, Kolosnitsyna and Martynova 1961 [Liassophilidae]
- Incurvaria, Haworth 1828 [Incurvariidae]
- Incurvariidae, family, Spuler 1910 [Lepidoptera]
- Indusia, Bosc 1803 [Limnephilidae]
- Inocellia, Schneider 1843 [Inocelliidae]
- Inocelliidae, family, Navas 1913 [Raphidioptera]
- Iphiaulax, Forster 1862 [Braconidae]
- Ironomyia, White 1917 [Ironomyiidae]
- Isobrachium, Forster 1856 [Bethylidae]
- Isonychia, Eaton 1871 [Isonychiidae]
- Itoplectis, Forster 1868 [Ichneumonidae]
- Janus, Stephens 1835 [Cephidae]
- Johannsenomyia, Malloch 1915 [Culicidae]
- Jurina, Zalessky 1929 [Jurinidae]
- Jurinidae, family, Zalessky 1929 [Glosselytrodea]
- Kalligramma, Walther 1904 [Kalligrammatidae]
- Kalligrammula, Handlirsch 1919 [Kalligrammatidae]
- Karatavites, Rasnitsyn 1963 [Karatavitidae]
- Karatavitidae, family, Rasnitsyn 1963 [Hymenoptera]
- Kelnermelia, Moure 1978 [Apidae]
- Kirghizoxyela, Rasnitsyn 1966 [Xyelidae]
- Laasbium, Scudder 1900 [Dermaptera]
- Labrorychus, Forster 1868 [Ichneumonidae]
- Laelius, Ashmead 1893 [Bethylidae]
- Lagynodes, Forster 1841 [Megaspilidae]
- Lampronota, Curtis 1832 [Ichneumonidae]
- Lapton, Nees 1815 [Ichneumonidae]
- Larrophanes, Handlirsch 1907 [Sphecidae]
- Lasiohelea, Kieffer 1921 [Ceratopogonidae]
- Lasiopa, Brulle 1832 [Stratiomyidae]
- Lasioptera, Meigen 1818 [Cecidomyiidae]
- Laurentiptera, Martynova and Willmann 1978 [Liassophilidae]
- Laurentipteridae, family, Martynova and Willmann 1978 [Liassophilidae]
- Lauxania, Latreille 1804 [Lauxaniidae]
- Lauxaniidae, family, Macquart 1835 [Diptera]
- Leia, Meigen 1818 [Mycetophilidae]
- Leioxyela, Rasnitsyn 1969 [Xyelidae]
- Lemmatophoropsis, Zalessky 1935 [Insecta]
- Lepidodasypus, Durden 1978 [Dasyleptidae]
- Lepidostoma, Rambur 1842 [Lepidostomatidae]
- Lepidostomatidae, family, Ulmer 1903 [Trichoptera]
- Lepidotrichidae, family, Silvestri 1913 [Zygentoma]
- Leptoceridae, family, Leach 1815 [Trichoptera]
- Leptocerus, Leach 1815 [Leptoceridae]
- Leptogaster, Meigen 1803 [Asilidae]
- Leptomorphus, Curtis 1831 [Mycetophilidae]
- Leptomyrmex, Mayr 1862 [Formicidae]
- Leptopeza, Macquart 1827 [Hybotidae]
- Leptophlebia, Westwood 1840 [Leptophlebiidae]
- Leptothorax, Mayr 1855 [Formicidae]
- Lestomyia, Williston 1883 [Asilidae]
- Lestremia, Macquart 1826 [Cecidomyiidae]
- Leucempria, Enslin 1913 [Tenthredinidae]
- Liadytes, Ponomarenko 1963 [Liadytidae]
- Liberocoleus, Kukalova 1969 [Oborocoleidae]
- Libythea, Fabricius 1807 [Nymphalidae]
- Libytheidae, family, Boisduval 1836 [Nymphalidae]
- Limnobia, Meigen 1818 [Tipulidae]
- Limnocema, Scudder 1894 [Limoniidae]
- Limnophila, Macquart 1834 [Limoniidae]
- Limnophilus, Leach 1815 [Limnephilidae]
- Limonia, Meigen 1803 [Tipulidae]
- Lithanthidium, Cockerell 1911 [Megachilidae]
- Lithax, McLachlan 1876 [Goeridae]
- Lithodryas, Cockerell 1909 [Nymphalidae]
- Lithohypoderma, Townsend 1916 [Oestridae]
- Lithoplanes, Scudder 1886 [Staphylinidae]
- Lithosmylus, Carpenter 1943 [Osmylidae]
- Lithosomyia, Carpenter 1986 [Bibionidae]
- Lithoxyela, Rasnitsyn 1969 [Xyelidae]
- Lithurge, Latreille 1825 [Megachilidae]
- Litus, Haliday 1833 [Mymaridae]
- Loewiella, Meunier 1894 [Mycetophilidae]
- Lonchaea, Fallen 1820 [Lonchaeidae]
- Lonchaeidae, family, Rondani 1856 [Diptera]
- Lophioneurodes, Bekker-Migdisova 1953 [Lophioneuridae]
- Lophophidae, family, Stal 1866 [Hemiptera]
- Lophyrophorus, Meunier 1902 [Xylophagidae]
- Lucanus, Scopoli 1763 [Lucanidae]
- Luehdorfia, Kruger 1878 [Papilionidae]
- Lutzomyia, Franca 1927 [Psychodidae]
- Lycaena, Fabricius 1807 [Lycaenidae]
- Lycaenidae, family, Leach 1815 [Lepidoptera]
- Lycaenites, Rebel 1898 [Lycaenidae]
- Lycoriella, Frey 1942 [Sciaridae]
- Lydoxyela, Rasnitsyn 1966 [Xyelidae]
- Lygocerus, forster 1856 [Megaspilidae]
- Lynchia, Weyenbergh 1881 [Hippoboscidae]
- Lype, MacLachlan 1878 [Psychomyiidae]
- Lyroneurus, Loew 1857 [Dolichopodidae]
- Machilidae, family, M. Grassi 1888 [Microcoryphia]
- Machiloidea, suborder, M. Handlirsch 1904 [Machilida]
- Machimus, Loew 1849 [Asilidae]
- Macrocera, Meigen 1803 [Keroplatidae]
- Macrochile, Loew 1850 [Tanyderidae]
- Macromastix, Osten-Sacken 1886 [Tipulidae]
- Macroteleia, Westwood 1835 [Platygastridae]
- Madygella, Rasnitsyn 1969 [Xyelidae]
- Madygenius, Rasnitsyn 1969 [Xyelidae]
- Manapsis, Scudder 1894 [Tipulidae]
- Manlayamyia, Kalugina 1980 [Chironomidae]
- Manota, Williston 1896 [Mycetophilidae]
- Mansonia, Blanchard 1901 [Culicidae]
- Mantispa, Illiger 1798 [Mantispidae]
- Mantispidae, family, Westwood 1840 [Neuroptera]
- Marilia, Muller 1880 [Odontoceridae]
- Marimerobius, Zalessky 1946 [Insecta]
- Marquettia, Navas 1913 [Nemopteridae]
- Martynopsocus, Karny 1930 [Hypoperlidae]
- Mecoptera, order, Packard 1886 [Insecta]
- Medetera, Fischer von Waldheim 1819 [Dolichopodidae]
- Megalomus, Rambur 1842 [Hemerobiidae]
- Megalyra, Westwood 1832 [Megalyridae]
- Megalyridae, family, Schletterer 1890 [Hymenoptera]
- Megamerina, Rondani 1861 [Megamerinidae]
- Megamerinidae, family, Hendel 1913 [Diptera]
- Megaselia, Rondani 1856 [Phoridae]
- Megaspilidae, family, Ashmead 1888 [Hymenoptera]
- Megaspilus, Westwood 1829 [Megaspilidae]
- Megatryphon, Cockerell 1924 [Ichneumonidae]
- Megistocera, Wiedemann 1828 [Tipulidae]
- Melanagromyza, Hendel 1920 [Agromyzidae]
- Melanichneumon, thomson 1893 [Ichneumonidae]
- Melieria, Robineau-Desvoidy 1830 [Ulidiidae]
- Melitta, Kirby 1802 [Melittidae]
- Mellinus, Fabricius 1790 [Sphecidae]
- Mengea, Grote 1886 [Mengeidae]
- Mengeidae, family, Pierce 1907 [Strepsiptera]
- Merlebachia, Waterlot 1934 [Insecta]
- Merodon, Meigen 1803 [Syrphidae]
- Mesephemeridae, family, Lameere 1917 [Ephemeroptera]
- Mesochorus, Gravenhorst 1829 [Ichneumonidae]
- Mesojurina, Martynova 1943 [Uskatelytridae]
- Mesolyda, Rasnitsyn 1963 [Xyelydidae]
- Mesomylina, Bode 1953 [Mesochrysopidae]
- Mesoneura, Hartig 1837 [Tenthredinidae]
- Mesoplecia, Rohdendorf 1938 [Protopleciidae]
- Mesopolystoechotidae, family, Martynova 1949 [Neuroptera]
- Mesoserphidae, family, Kozlov 1970 [Hymenoptera]
- Mesostenus, Gravenhorst 1829 [Ichneumonidae]
- Metanephrocerus, Aczel 1948 [Pipunculidae]
- Metasyrphus, Matsumura 1917 [Syrphidae]
- Meteorus, Haliday 1835 [Braconidae]
- Methles, Sharp 1882 [Dytiscidae]
- Metretopus, Eaton 1901 [Metretopodidae]
- Metriocnemus, van der Wulp 1874 [Chironomidae]
- Metropatorites, Keller 1934 [Insecta]
- Meunieria, Kieffer 1904 [Cecidomyiidae]
- Micrasema, MacLachlan 1876 [Brachycentridae]
- Micrempis, Melander 1927 [Hybotidae]
- Microctonus, Wesmael 1835 [Braconidae]
- Microgaster, Latreille 1804 [Braconidae]
- Micromalthus, Le Conte 1878 [Micromalthidae]
- Micropalentomum, Schmidt 1962 [Insecta]
- Micropeplus, Latreille 1809 [Staphylinidae]
- Micropeza, Meigen 1803 [Micropezidae]
- Micropezidae, family, Loew 1862 [Diptera]
- Microphorus (Macquart 1827) [Dolichopodidae]
- Microplitis, Forster 1862 [Braconidae]
- Micropterix, Hubner 1826 [Micropterigidae]
- Microptilium, Matthews 1872 [Ptiliidae]
- Microstylum, Macquart 1838 [Asilidae]
- Microsymmocites, Skalski 1977 [Autostichidae]
- Microtelenomus, Dodd 1913 [Platygastridae]
- Microtypus, Ratzeburg 1848 [Braconidae]
- Microxyelecia, Rasnitsyn 1969 [Xyelidae]
- Mikiola, Kieffer 1896 [Cecidomyiidae]
- Milichia, Schiner 1864 [Milichiidae]
- Milichiidae, family, Schiner 1864 [Diptera]
- Mindaridae, family, Tullgren 1909 [Aphididae]
- Miocoengenia, Tshernova 1906 [unclassified genus]
- Miocoenogenia, Tshernova 1962 [Heptageniidae]
- Miocupes, Ponomarenko 1973 [Cupedidae]
- Miodineutes, Hatch 1927 [Gyrinidae]
- Miodytiscus, Wickham 1911 [Dytiscidae]
- Miolithocharis, Wickham 1913 [Staphylinidae]
- Miopalpomyia, Pierce 1966 [Ceratopogonidae]
- Miota, Forster 1856 [Diapriidae]
- Misepyris, Kieffer 1913 [Bethylidae]
- Mochlonyx, Loew 1844 [Chaoboridae]
- Molanna, Curtis 1834 [Molannidae]
- Molannidae, family, Wallengren 1891 [Trichoptera]
- Molannodes, McLauchlan 1866 [Molannidae]
- Molophilus (Dasymolophilus), Goetghebuer 1920 [Limoniidae]
- Moltenocupes, Zeuner 1961 [Cupedidae]
- Monardia, Kieffer 1895 [Cecidomyiidae]
- Mongoma, Westwood 1881 [Limoniidae]
- Monodicrana, Loew 1850 [Cecidomyiidae]
- Monodontomerus, Westwood 1833 [Torymidae]
- Monomorium, Mayr 1855 [Formicidae]
- Monopibaltia, Skalski 1974 [Tineidae]
- Monotrysia, suborder, Borner 1939 [Lepidoptera]
- Monura, suborder (Sharov 1957) [Machilida]
- Moravocoleus, Kukalova 1969 [Moravocoleidae]
- Musca, Linne 1758 [Muscidae]
- Muscidae, family, Latreille 1802 [Diptera]
- Muscidites, Heyden and Heyden 1866 [Diptera]
- Mutilla, Linne 1802 [Mutillidae]
- Mutillidae, family, Latreille 1802 [Hymenoptera]
- Mycetaulus, Loew 1845 [Piophilidae]
- Mycetophila, Meigen 1803 [Mycetophilidae]
- Mycetophilidae, family, Newman 1835 [Diptera]
- Mydas, Fabricius 1794 [Mydidae]
- Mydidae, family, Latreille 1806 [Diptera]
- Myiolepta, Newman 1838 [Syrphidae]
- Mymar, Curtis 1832 [Mymaridae]
- Mymaridae, family, Haliday 1833 [Hymenoptera]
- Myrmecolacidae, family, Saunders 1872 [Strepsiptera]
- Myrmecolax, Westwood 1861 [Myrmecolacidae]
- Myrmeleon, Linne 1767 [Myrmeleontidae]
- Myrmeleontidae, family, Latreille 1804 [Neuroptera]
- Myrmica, Latreille 1804 [Formicidae]
- Myrmicium, Westwood 1854 [Hymenoptera]
- Myrmosa, Latreille 1796 [Mutillidae]
- Myzinum, Latreille 1803 [Scoliidae]
- Nannochorista, Tillyard 1917 [Nannochoristidae]
- Nannochoristidae, family, Tillyard 1917 [Mecoptera]
- Nebritus, Coquillett 1894 [Therevidae]
- Necromyza, Scudder 1895 [Mycetophilidae]
- Nematocera, suborder, Latreille 1825 [Diptera]
- Nematoproctus, Loew 1857 [Dolichopodidae]
- Nemeritis, Holmgren 1829 [Ichneumonidae]
- Nemestrina, Latreille 1809 [Nemestrinidae]
- Nemestrinidae, family, Macquart 1834 [Diptera]
- Nemoptera, Latreille 1802 [Nemopteridae]
- Nemopteridae, family, Rambur 1842 [Neuroptera]
- Nemotelus, Geoffroy 1762 [Stratiomyidae]
- Neoblacus, Ashmead 1901 [Braconidae]
- Neoborkhausenites, Skalski 1977 [Oecophoridae]
- Neoculicoides, Pierce 1966 [Ceratopogonidae]
- Neoempheria, Osten-Sacken 1878 [Mycetophilidae]
- Neopalachia, Boucek 1978 [Torymidae]
- Neopalpomyia, Pierce 1966 [Ceratopogonidae]
- Neoptera, infraclass [Insecta]
- Neorhynchocephalus, Lichtwardt 1909 [Nemestrinidae]
- Neorinopis, Butler 1873 [Nymphalidae]
- Nephrocerus, Zetterstedt 1838 [Pipunculidae]
- Netelia, Gray 1860 [Ichneumonidae]
- Neuratelia, Rondani 1856 [Mycetophilidae]
- Neureclipsis, MacLachlan 1864 [Polycentropodidae]
- Neurigona, Rondani 1856 [Dolichopodidae]
- Neurochaeta, McAlpine 1978 [Neurochaetidae]
- Neurochaetidae, family, McAlpine 1978 [Diptera]
- Nevermannia, Enderlein 1921 [Simuliidae]
- Nicocles, Jaennicke 1867 [Asilidae]
- Nigrimonticola, Rasnitsyn 1966 [Xyelidae]
- Nomochirus, Collado 1926 [Chironomidae]
- Norellisoma, Hendel 1910 [Scathophagidae]
- Nothochrysa, MacLachlan 1868 [Chrysopidae]
- Nyctiophylax, Brauer 1865 [Polycentropodidae]
- Nymphalidae, family, Swainson 1837 [Lepidoptera]
- Nymphalis, Linne 1758 [Nymphalidae]
- Nymphes, Leach 1814 [Nymphidae]
- Nymphidae, family, Rambur 1842 [Neuroptera]
- Nymphites, Haase 1890 [Nymphitidae]
- Oborocoleidae, family, Kukalova 1969 [Coleoptera]
- Obrocoleus, Kukalova 1969 [Oborocoleidae]
- Ocellia, Olfers 1907 [Insecta]
- Ocnerites, Oppenheim 1885 [Trichoptera]
- Odinia, Robineau-Desvoidy 1830 [Odiniidae]
- Odiniidae, family, Hendel 1918 [Diptera]
- Odontoceridae, family, Wallengren 1891 [Trichoptera]
- Odontocerus, Leach 1815 [Odontoceridae]
- Odontomachus, Latreille 1804 [Formicidae]
- Odynerus, Latreille 1802 [Vespidae]
- Oecophora, Latreille 1796 [Oecophoridae]
- Oecophoridae, family, Bruand 1849 [Lepidoptera]
- Oedalea, Meigen 1820 [Hybotidae]
- Olbiogaster, Osten-Sacken 1886 [Anisopodidae]
- Olesicampe, Forster 1868 [Ichneumonidae]
- Oligamatites, Kusnezov 1928 [Erebidae]
- Oligisca, Demoulin 1970 [Siphlonuridae]
- Oligoaphidius, Perez 1940 [Braconidae]
- Oligomyrmex, Mayr 1867 [Formicidae]
- Oligoneuroides, Brues 1910 [Braconidae]
- Oligotricha, Rambur 1842 [Phryganeidae]
- Omalus, Panzer 1969 [Chrysididae]
- Omma, Newman 1839 [Ommatidae]
- Oncopygius, Loew 1873 [Dolichopodidae]
- Onycholepisma, Pierce 1951 [Hexapoda]
- Ooctonus, Haliday 1833 [Mymaridae]
- Ophion, Fabricius 1798 [Ichneumonidae]
- Ophthalmoxyela, Rasnitsyn 1966 [Xyelidae]
- Opius, Wesmael 1835 [Braconidae]
- Opomyza, Fallen 1820 [Opomyzidae]
- Opomyzidae, family, Fallen 1810 [Diptera]
- Orgilus, Haliday 1833 [Braconidae]
- Ormosia, Rondani 1856 [Limoniidae]
- Ormyrodes, Brues 1907 [Pteromalidae]
- Orthocentrus, Gravenhorst 1829 [Ichneumonidae]
- Orthopelma, Taschenberg 1865 [Ichneumonidae]
- Orthophlebia, Westwood 1845 [Orthophlebidae]
- Oryctogma, Scudder 1894 [Limoniidae]
- Oryctoxyela, Rasnitsyn 1969 [Xyelidae]
- Oscinella, Becker 1910 [Chloropidae]
- Osmia, Panzer 1806 [Megachilidae]
- Osmylites, Haase 1890 [Mesochrysopidae]
- Osmylitidae, family, Nartynova 1949 [Neuroptera]
- Osmylus, Latreille 1802 [Hemerobiidae]
- Otites, Latreille 1804 [Ulidiidae]
- Otitidae, family, Aldrich 1932 [Diptera]
- Oviparasiphidae, family (Snaposhnikov 1979) [Hemiptera]
- Oxycera, Meigen 1803 [Stratiomyidae]
- Oxyna, Robineau-Desvoidy 1830 [Tephritidae]
- Oxypoda, Mannerheim 1831 [Staphylinidae]
- Pachycondyla, F. Smith 1858 [Formicidae]
- Paedephemeridae, family, Lameere 1917 [Ephemeroptera]
- Palaemerobius [Permithonidae]
- Palaeobittacus, Carpenter 1928 [Bittacidae]
- Palaeoblacus, Statz 1936 [Braconidae]
- Palaeochrysotus, Meunier 1907 [Dolichopodidae]
- Palaeogeron, Meunier 1914 [Bombyliidae]
- Palaeogron, Masner 1969 [Platygastridae]
- Palaeogyrinus, Schlechtendal 1894 [Dytiscidae]
- Palaeomastigus, Schaufuss 1890 [Staphylinidae]
- Palaeomolobra, Hull 1962 [Asilidae]
- Palaeomymar, Meunier 1901 [Mymarommatidae]
- Palaeophora, Rohdendorf 1951 [Palaeophoridae]
- Palaeophoridae, family, Rohdendorf 1951 [Diptera]
- Palaeopsylla, Wagner 1903 [Ctenophthalmidae]
- Palaeosilpha, Flach 1890 [Silphidae]
- Palaeostratiomyia, Rohdendorf 1938 [Rhagionidae]
- Palaeostratiomyiidae, family, Rohdendorf 1938 [Diptera]
- Palaeotanypeza, Meunier 1917 [Megamerinidae]
- Palaeothia, Schaufuss 1890 [Staphylinidae]
- Palingeniopsidae, family, Martynov 1938 [Ephemeroptera]
- Palpomyia, Meigen 1818 [Ceratopogonidae]
- Pamphiliidae, family, Cameron 1890 [Hymenoptera]
- Pamphilius, Latreille 1802 [Pamphiliidae]
- Panorpa, Linne 1758 [Panorpidae]
- Panorpidae, family, Latreille 1804 [Mecoptera]
- Panorpodes, MacLachlan 1875 [Panorpodidae]
- Panorpodidae, family, Handlirsch 1920 [Mecoptera]
- Pantolyta, forster 1856 [Diapriidae]
- Papilio, Linne 1758 [Papilionidae]
- Papilionidae, family, Latreille 1802 [Lepidoptera]
- Parabaeus, Kieffer 1910 [Platygastridae]
- Paraclia, Enderlein 1936 [Therevidae]
- Paraculicoides, Pierce 1966 [Ceratopogonidae]
- Paradictyodiptra, Rohdendorf 1961 [Dictyodipteridae]
- Paradixa, Tonnoir 1924 [Dixidae]
- Paraleia, Armbruster 1938 [Mycetophilidae]
- Parameranoplus, Wheeler 1914 [Formicidae]
- Paramesius, Westwood 1832 [Diapriidae]
- Parapalpomyia, Pierce 1966 [Ceratopogonidae]
- Parasisyra, Zalessky 1933 [Neuroptera]
- Paraspiniphora, Malloch 1912 [Phoridae]
- Passaloecus, Shuckard 1837 [Pemphredoninae]
- Passalus, Fabricius 1792 [Passalidae]
- Paussoides, Motschulsky 1856 [Carabidae]
- Pemphigidae, family, Koch 1857 [Aphididae]
- Pentapleura, Forster 1862 [Braconidae]
- Penthetria, Meigen 1803 [Bibionidae]
- Pepsis, Fabricius 1805 [Pompilidae]
- Pericoma, Walker 1856 [Psychodidae]
- Perielytron, Zalessky 1943 [Insecta]
- Periscelidinae, subfamily, Oldenberg 1914 [Periscelididae]
- Periscelis, Loew 1858 [Periscelididae]
- Perisierola, Kieffer 1914 [Bethylidae]
- Permaleurodes, Becker-Migdisova 1959 [Permaleurodidae]
- Permonympha, Sharov 1957 [Notoptera]
- Peromyia, Kieffer 1894 [Cecidomyiidae]
- Petromantis, Handlirsch 1904 [Permochoristidae]
- Petropsychops, Riek 1956 [Osmylopsychopidae]
- Phaenolobus, Forster 1868 [Ichneumonidae]
- Phalacrotophora, Enderlein 1912 [Phoridae]
- Phanerotoma, Wesmael 1838 [Braconidae]
- Phanomeris, Forster 1862 [Braconidae]
- Pheidole, Westwood 1840 [Formicidae]
- Philanthus, Fabricius 1790 [Sphecidae]
- Philonicus, Loew 1849 [Asilidae]
- Philopotamidae, family, Stephens 1829 [Trichoptera]
- Philopotamus, Stephens 1829 [Philopotamidae]
- Philosepedon, Eaton 1904 [Psychodidae]
- Phlebotomiella, Meunier 1906 [Psychodidae]
- Phora, Latreille 1796 [Phoridae]
- Phoridae, family, Newman 1835 [Diptera]
- Phronia, Winnertz 1863 [Mycetophilidae]
- Phryganea, Linne 1758 [Phryganeidae]
- Phryganeidae, family, Leach 1815 [Phryganeidae]
- Phryganeidium, Westwood 1854 [Necrotauliidae]
- Phthinia, Winnertz 1863 [Mycetophilidae]
- Phthiria, Meigen 1803 [Bombyliidae]
- Phygadeuon, Gravenhorst 1829 [Ichneumonidae]
- Phylledestes, cockerell 1907 [Lepidoptera]
- Phyllolabis, Osten-Sacken 1877 [Limoniidae]
- Phyllomyza, Fallen 1810 [Milichiidae]
- Phylocentropus, Banks 1907 [Dipseudopsidae]
- Phytomyza, Fallen 1810 [Agromyzidae]
- Pieridae, family, Boisduval 1836 [Lepidoptera]
- Pieris, Schrank 1801 [Pieridae]
- Pilaria, Sintenis 1889 [Limoniidae]
- Pimpla, Fabricius 1804 [Ichneumonidae]
- Pinicolites, Meunier 1920 [Xyelidae]
- Piophila, Fallen 1810 [Piophilidae]
- Piophilidae, family, Macquart 1835 [Diptera]
- Pipiza, Fallen 1810 [Syrphidae]
- Pipunculidae, family, Zetterstedt 1842 [Diptera]
- Pipunculus, Latreille 1802 [Pipunculidae]
- Plagiolepis, Mayr 1861 [Formicidae]
- Planipennia, suborder, Latreille 1817 [Insecta]
- Platetrum, Newman 1833 [Libellulidae]
- Platycheirus, Lepeletier and Serville 1825 [Syrphidae]
- Platycrossos, Dunstan 1923 [Permosynidae]
- Platygasterites, Carpenter 1992 [Hymenoptera]
- Platypalpus, Macquart 1827 [Hybotidae]
- Platypeza, Meigen 1803 [Platypezidae]
- Platypezidae, family, Fallen 1815 [Diptera]
- Platythyrea, Roger 1863 [Formicidae]
- Platyura, Meigen 1803 [Keroplatidae]
- Plebeia, Schwarz 1938 [Apidae]
- Plebotomites, Hennig 1972 [Psychodidae]
- Plebotomus, Rondani and Berte 1840 [Psychodidae]
- Pleciofungivora, Rohdendorf 1938 [Pleciofungivoridae]
- Pleciomima, Rohdendorf 1938 [Pleciomimidae]
- Plectiscidea, Viereck 1914 [Ichneumonidae]
- Plectrocnemia, Stephens 1836 [Polycentropodidae]
- Poecilobothrus, Mik 1878 [Dolichopodidae]
- Pogonomyrmex, Mayr 1868 [Formicidae]
- Polistes, Latreille 1802 [Vespidae]
- Polybia, Lepeletier 1836 [Vespidae]
- Polycentropodidae, family, Ulmer 1906 [Trichoptera]
- Polycentropus, Curtis 1835 [Polycentropodidae]
- Polymera, Wiedemann 1821 [Limoniidae]
- Polynemoidea, Girault 1913 [Mymaridae]
- Polypsocidae, family, Pearman 1936 [Psocodea]
- Polysitum, Dunstan 1923 [Ademosynidae]
- Polysphincta, Gravenhorst 1829 [Ichneumonidae]
- Polystenus, Forster 1862 [Braconidae]
- Pompilidae, family, Latreille 1804 [Hymenoptera]
- Pompilus, Fabricius 1798 [Pompilidae]
- Ponera, Latreille 1804 [Formicidae]
- Pontia, Fabricius 1807 [Pieridae]
- Porizon, Fallen 1813 [Ichneumonidae]
- Porricondyla, Rondani 1840 [Cecidomyiidae]
- Potamyia, Banks 1900 [Hydropsychidae]
- Praeaulacidae, family, Rasnitsyn 1972 [Hymenoptera]
- Praeaulacinus, Rasnitsyn 1972 [Praeaulacidae]
- Praeaulacites, Rasnitsyn 1972 [Praeaulacidae]
- Praeaulacon, Rasnitsyn 1972 [Praeaulacidae]
- Praeaulacus, Rasnitsyn 1972 [Praeaulacidae]
- Praeaulicops, Rasnitsyn 1972 [Praeaulacidae]
- Praeichneumon, Rasnitsyn 1983 [Praeichneumonidae]
- Praeichneumonidae, family, Rasnitsyn 1983 [Hymenoptera]
- Praepapilio, Durden and Rose 1978 [Papilionidae]
- Praon, Haliday 1833 [Braconidae]
- Prenolepis, Mayr 1861 [Formicidae]
- Priacmopsis, Ponomarenko 1966 [Cupedidae]
- Priocnemis, Schiodte 1837 [Pompilidae]
- Proallodia, Armbruster 1938 [Mycetophilidae]
- Proapolephthisa, Armbruster 1938 [Mycetophilidae]
- Probittacomorpha, Freiwald and Willman 1992 [Ptychopteridae]
- Proceroplatus, Edwards 1925 [Keroplatidae]
- Prochrysotus, Meunier 1907 [Dolichopodidae]
- Proctacanthus, Macquart 1838 [Asilidae]
- Proctotrupidae, family, Leach 1815 [Hymenoptera]
- Proctotrypites, Meunier 1918 [Hymenoptera]
- Prodelopsis, Armbruster 1938 [Mycetophilidae]
- Prodocosia, Armbruster 1938 [Mycetophilidae]
- Proepicypta, Armbruster 1938 [Mycetophilidae]
- Prohadroneura, Armbruster 1938 [Mycetophilidae]
- Proleia, Armbruster 1938 [Mycetophilidae]
- Promacrocera, Armbruster 1938 [Mycetophilidae]
- Promethes, Forster 1868 [Ichneumonidae]
- Promycetomyia, Armbruster 1938 [Mycetophilidae]
- Pronotiothauma, Willmann 1978 [Eomeropidae]
- Pronovakia, Armbruster 1938 [Mycetophilidae]
- Propelma, Trjapitzin 1963 [Eupelmidae]
- Prophiloptamus, Sukatsheva 1973 [Philopotamidae]
- Prophronia, Armbruster 1938 [Mycetophilidae]
- Prophthinia, Armbruster 1938 [Mycetophilidae]
- Proplatypygus, Hennig 1969 [Mythicomyiidae]
- Prosierola, Kieffer 1905 [Bethylidae]
- Prosoeca, Schiner 1867 [Nemestrinidae]
- Prosperocoleus, Kukalova 1969 [Moravocoleidae]
- Protarchus, Forster 1868 [Ichneumonidae]
- Protenthredo, Pongracz 1928 [Hymenoptera]
- Protephedrus, Perez 1940 [Braconidae]
- Protoblattinopsis, Laurentiaux 1953 [Insecta]
- Protobrachycerontidae, family, Rohdendorf 1962 [Diptera]
- Protochrysidis, Carpenter 1986 [Chrysididae]
- Protocyrtus, Rohdendorf 1938 [Diptera]
- Protogyrinus, Hatch 1927 [Gyrinidae]
- Protomphrale, Rohdendorf 1938 [Protomphralidae]
- Protomphralidae, family, Rohdendorf 1957 [Diptera]
- Protomutilla, Bischoff 1917 [Tiphiidae]
- Protonephrocerus, Collin 1931 [Pipunculidae]
- Protopanorpoides, Martynova 1962 [Permochoristidae]
- Protorhagio, Rohdendorf 1938 [Rhagionidae]
- Protosciara, Quievreux 1938 [Sciaridae]
- Protosirex, Rasnitsyn 1969 [Protosiricidae]
- Protrichonta, Armbruster 1938 [Mycetophilidae]
- Psammaecius, Lepeletier 1832 [Sphecidae]
- Pselaphus, Herbst 1792 [Staphylinidae]
- Pseudacidia, Shiraki 1933 [Tephritidae]
- Pseudobaeus, Perkins 1910 [Platygastridae]
- Pseudocaeciliidae, family, Pearman 1936 [Psocodea]
- Pseudodiscobrachium, Kieffer 1904 [Bethylidae]
- Pseudolasius, Emery 1887 [Formicidae]
- Pseudolimnophila, Alexander 1919 [Limoniidae]
- Pseudomyrmex, Lund 1831 [Formicidae]
- Pseudophrisson, Durrenfeldt 1968 [Asilidae]
- Pseudopomyza, Strobl 1893 [Pseudopomyzidae]
- Pseudopomyzidae, family, McAlpine 1966 [Diptera]
- Pseudosciara, Schiner 1866 [Sciaridae]
- Pseudosiobla, Ashmead 1898 [Tenthredinidae]
- Psila, Meigen 1803 [Psilidae]
- Psilidae, family, Walker 1853 [Diptera]
- Psilocephala, Zetterstedt 1838 [Therevidae]
- Psyche, Schrank 1801 [Psychidae]
- Psychidae, family, Boisduval 1828 [Lepidoptera]
- Psychoda, Latreille 1796 [Psychodidae]
- Psychodidae, family, Newman 1834 [Diptera]
- Psychomyia, Pictet 1834 [Psychomyiidae]
- Psychomyidae, family, Curtis 1835 [Psychomyiidae]
- Psychopsidae, family, Handlirsch 1906 [Psychopsidae]
- Psychopsis, Newman 1842 [Psychopsidae]
- Pteromalidae, family, Haliday 1833 [Hymenoptera]
- Pteromalus, Swederus 1795 [Pteromalidae]
- Pteronepionites, Bolton 1921 [Insecta]
- Ptilium, Gyllenhal 1827 [Ptiliidae]
- Ptinella, Motschulsky 1844 [Ptiliidae]
- Ptomaphagus, Illiger 1798 [Silphidae]
- Ptomascopus, Kraatz 1877 [Silphidae]
- Pygostolus, Haliday 1833 [Braconidae]
- Pyralidae, family, Latreille 1809 [Lepidoptera]
- Pyralis, Linne 1758 [Pyralidae]
- Pyralites, Heer 1856 [Lepidoptera]
- Ragas, Walker 1837 [Empididae]
- Raphidia, Linne 1758 [Raphidiidae]
- Raphidiidae, family, Latreille 1810 [Raphidioptera]
- Raphidiodea, suborder, Burmeister 1838 [Neuroptera]
- Recter, Sellards 1909 [Protereismatidae]
- Remalia, Giebel 1856 [Diptera]
- Retelytron, Kukalova 1965 [Moravocoleidae]
- Rhabdepyris, Kieffer 1904 [Bethylidae]
- Rhabdomastix, Skuse 1889 [Limoniidae]
- Rhaconotus, Ruthe 1854 [Braconidae]
- Rhadinobrochus, Scudder 1894 [Limoniidae]
- Rhagio, Fabricius 1775 [Rhagionidae]
- Rhagionidae, family, Latreille 1804 [Diptera]
- Rhamphomyia, Meigen 1822 [Empididae]
- Rhingia, Scopoli 1763 [Syrphidae]
- Rhingiopsis, Roeder 1886 [Stratiomyidae]
- Rhithrogena, Eaton 1881 [Heptageniidae]
- Rhogogaster, Konow 1884 [Tenthredinidae]
- Rhyacophila, Pictet 1834 [Rhyacophilidae]
- Rhyacophilidae, family, Stephens 1835 [Trichoptera]
- Rhysiopolis (Forster 1862) [Braconidae]
- Rhyssa, Gravenhorst 1829 [Ichneumonidae]
- Rhyssalus, Haliday 1833 [Braconidae]
- Ricartus, Navas 1913 [Neuroptera]
- Richardia, Robineau-Desvoidy 1830 [Richardiidae]
- Richardiidae, family, Loew 1868 [Diptera]
- Riodinella, Durden and rose 1978 [Riodinidae]
- Ripidia, Rondani 1856 [Tipulidae]
- Robinjohnia, Martynova 1948 [Robinjohniidae]
- Rogas, Nees 1818 [Braconidae]
- Ruebsaameniella, Meigen 1903 [Sciaridae]
- Rueppellia, Kertesz 1909 [Therevidae]
- Rygchium, Spinola 1806 [Vespidae]
- Rymosia, Winnertz 1863 [Mycetophilidae]
- Sabatinca, Walker 1863 [Micropterigidae]
- Sapromyza, Fallen 1810 [Lauxaniidae]
- Sargus, Fabricius 1798 [Stratiomyidae]
- Saropogon, Loew 1847 [Asilidae]
- Scambus, Hartig 1838 [Ichneumonidae]
- Scarabaeus, Linne 1758 [Scarabaeidae]
- Scathophagidae, family, Robineau-Desvoidy 1830 [Diptera]
- Scatophaga, Fabricius 1803 [Scathophagidae]
- Scatopse, Geoffroy 1762 [Scatopsidae]
- Scatopsidae, family, Newman 1835 [Diptera]
- Scelio, Latreille 1805 [Platygastridae]
- Scelionites, Statz 1938 [Hymenoptera]
- Sceliphron, Klug 1801 [Sphecidae]
- Schiffermuelleria, Hubner 1826 [Oecophoridae]
- Schistomerus, Palmer 1957 [Dytiscidae]
- Scholastes, Loew 1873 [Platystomatidae]
- Sciadocera, White 1917 [Phoridae]
- Sciadoceridae, family, Schmitz 1929 [Phoridae]
- Sciapus, Zeller 1842 [Dolichopodidae]
- Sciomyza, Fallen 1820 [Sciomyzidae]
- Sciomyzidae, family, Fallen 1820 [Diptera]
- Sciophila, Meigen 1818 [Mycetophilidae]
- Scleroderma (Latreille 1809) [Bethylidae]
- Scolebythus, Evans 1963 [Scolebythidae]
- Scydmaenoides, Motschulsky 1856 [Staphylinidae]
- Scydmaenus, Latreille 1833 [Staphylinidae]
- Semirhytus, Szepligeti 1902 [Braconidae]
- Semnodioceras, Schaufuss 1890 [Staphylinidae]
- Sendelia, Duisberg 1868 [Chironomidae]
- Seniaulus, Heyden and Heyden 1866 [Staphylinidae]
- Senoprosopis, Macquart 1838 [Asilidae]
- Sepsidae, family, Walker 1833 [Diptera]
- Sepsis, Fallen 1810 [Sepsidae]
- Setodes, Rambur 1842 [Leptoceridae]
- Shepherdia, Dunstan 1923 [Ademosynidae]
- Sialidopsidae, family, Zalessky 1928 [Neuroptera]
- Sialidopsis, Zalessky 1926 [Permithonidae]
- Sialium, Westwood 1854 [Nymphidae]
- Sialodea, suborder, Hagen 1861 [Neuroptera]
- Sigalphus, Latreille 1802 [Braconidae]
- Silo, Curtis 1830 [Goeridae]
- Silpha, Linne 1758 [Silphidae]
- Silvius, Meigen 1820 [Tabanidae]
- Simmondsia, Dunstan 1932 [Taldycupedidae]
- Simuliidae, family, Newman 1835 [Diptera]
- Simulium, Latreille 1802 [Simuliidae]
- Simulotenia, Skalski 1977 [Tineidae]
- Sinis, Heer 1862 [Carabidae]
- Siphlonurus, Eaton 1868 [Siphlonuridae]
- Siphloplecton, Clemens 1915 [Metretopodidae]
- Siphonaptera, order, Latreille 1825 [Insecta]
- Sirex, Linne 1761 [Siricidae]
- Siricidae, family, Billberg 1820 [Hymenoptera]
- Siricomima, Rasnitsyn 1969 [Sepulcidae]
- Sisyra, Burmeister 1839 [Sisyridae]
- Sisyridae, family, Banks 1905 [Neuroptera]
- Smittia, Holmgren 1869 [Chironomidae]
- Snellenius, Westwood 1882 [Braconidae]
- Sojanoraphidia, Martynova 1952 [Sojanoraphidiidae]
- Sojanoraphidiidae, family, Martynova 1952 [Notoptera]
- Solenopsis, Wheeler 1840 [Formicidae]
- Solva, Walker 1859 [Xylomyidae]
- Spaniotoma, Philippi 1865 [Chironomidae]
- Sparasion, Latreille 1802 [Platygastridae]
- Spathius, Nees 1818 [Braconidae]
- Spathoxyela, Rasnitsyn 1969 [Xyelidae]
- Sphecidae, family, Leach 1815 [Hymenoptera]
- Sphegina, Meigen 1822 [Syrphidae]
- Sphenosyntexis, Rasnitsyn 1969 [Anaxyelidae]
- Sphex, Linne 1758 [Sphecidae]
- Spudaeus, Gistel 1848 [Ichneumonidae]
- Stackelbergisca, Tshernova 1967 [Siphlonuridae]
- Staphylinus, Linne 1758 [Staphylinidae]
- Stenamma, Westwood 1840 [Formicidae]
- Stenodicranidae, family, Demoulin 1954 [Ephemeroptera]
- Stenomacrus, Forster 1868 [Ichneumonidae]
- Stenopsyche, MacLachlan 1866 [Stenopsychidae]
- Stenopsychidae, family, Martynov 1924 [Trichoptera]
- Stephanidae, family, Leach 1815 [Hymenoptera]
- Stephanus, Panzer 1805 [Stephanidae]
- Sterictiphora, Billberg 1820 [Argidae]
- Sterrhopteryx, Hubner 1825 [Psychidae]
- Stilpnus, Gravenhorst 1829 [Ichneumonidae]
- Stratiomyidae, family, Newman 1835 [Diptera]
- Stratiomys, Geoffroy 1762 [Stratiomyidae]
- Succinatherix, Stuckenberg 1974 [Athericidae]
- Suillia, Robineau-Desvoidy 1830 [Heleomyzidae]
- Sycorax, Haliday 1839 [Psychodidae]
- Sylvacoleus, Ponomarenko 1963 [Tshekardocoleidae]
- Sylvicola, Harris 1776 [Anisopodidae]
- Symmerus, Walker 1848 [Mycetophilidae]
- Symmoca, Hubner 1825 [Autostichidae]
- Symmocidae, family, Gozmany 1957 [Autostichidae]
- Symphoromyia, Frauenfeld 1867 [Rhagionidae]
- Synapha, Meigen 1818 [Mycetophilidae]
- Syntemna, Winnertz 1863 [Mycetophilidae]
- Syrphidae, family, Leach 1815 [Diptera]
- Syrphopsis, Zeuner 1931 [Diptera]
- Syrphus, Fabricius 1775 [Syrphidae]
- Systenus, Loew 1857 [Dolichopodidae]
- Systropus, Wiedemann 1820 [Bombyliidae]
- Tabanidae, family, Leach 1815 [Diptera]
- Tabanus, Linne 1758 [Tabanidae]
- Tachydromia, Meigen 1803 [Hybotidae]
- Tachypeza, Meigen 1830 [Hybotidae]
- Tanycarpa, Forster 1862 [Braconidae]
- Tanyderidae, family, Osten-Sacken 1879 [Diptera]
- Tanyderus, Philippi 1865 [Tanyderidae]
- Tanypus, Meigen 1803 [Chironomidae]
- Tanysphyra, Loew 1850 [Limoniidae]
- Tanytarsus, van der Wulp 1874 [Chironomidae]
- Taphaeus, Wesmael 1835 [Braconidae]
- Taracticus, Loew 1872 [Asilidae]
- Tauredon, Handlirsch 1910 [Carabidae]
- Taxonus, Hartig 1837 [Tenthredinidae]
- Telmatoscopus, Eaton 1904 [Psychodidae]
- Temnostoma, Lepeletier and Serville 1828 [Syrphidae]
- Tephritidae, family, Newman 1835 [Diptera]
- Tephritis, Latreille 1804 [Tephritidae]
- Tetanocera, Dumeril 1800 [Sciomyzidae]
- Tetracampe, Forster 1841 [Tetracampidae]
- Tetracampidae, family, Forster 1856 [Hymenoptera]
- Tetragoneura, Winnertz 1846 [Mycetophilidae]
- Tetralonia, Spinola 1839 [Apidae]
- Tetraphalerus, Waterhouse 1901 [Ommatidae]
- Tetraponera, F. Smith 1852 [Formicidae]
- Tetrapus, Mayr 1885 [Agaonidae]
- Thaumastoptera, Mik 1866 [Limoniidae]
- Thaumatodryinus, Perkins 1905 [Dryinidae]
- Thelaxidae, family, Baker 1920 [Hemiptera]
- Themira, Robineau-Desvoidy 1830 [Sepsidae]
- Thereva, Latreille 1796 [Therevidae]
- Therevidae, family, Newman 1835 [Diptera]
- Theronia, Holmgren 1859 [Ichneumonidae]
- Thinophilus, Wahlberg 1844 [Dolichopodidae]
- Thiras, Giebel 1856 [Diptera]
- Thrypticus, Gerstacker 1864 [Dolichopodidae]
- Thyrididae, family, Herrich-Schaeffer 1846 [Lepidoptera]
- Thyris, Laspeyres 1803 [Thyrididae]
- Tilgidopsis, Cockerell 1921 [Ichneumonidae]
- Tillyardites, Handlirsch 1937 [Insecta]
- Timalphes, Melander 1927 [Empididae]
- Tinea, Linne 1758 [Tineidae]
- Tineidae, family, Latreille 1810 [Lepidoptera]
- Tineosemopsis, Skalski 1974 [Tineidae]
- Tinodes, Curtis 1834 [Polycentropodidae]
- Tmesiphoroides, Motschulsky 1856 [Staphylinidae]
- Tortricidae, family, Latreille 1802 [Lepidoptera]
- Tortricidrosis, Skalski 1973 [Tortricidae]
- Tortrix, Linne 1758 [Tortricidae]
- Torymidae, family, Walker 1833 [Hymenoptera]
- Torymus, Dalman 1820 [Torymidae]
- Tracheliodes, Morawitz 1866 [Sphecidae]
- Trachymyrmex, Forel 1893 [Formicidae]
- Trachysphyrus, Haliday 1836 [Ichneumonidae]
- Trechinites, Heer 1862 [Carabidae]
- Trechoides, Motschulsky 1856 [Carabidae]
- Trentepohlia, Bigot 1854 [Limoniidae]
- Triaspis, Haliday 1835 [Braconidae]
- Triassoxyela, Rasnitsyn 1964 [Xyelidae]
- Trichadenotecnum, Enderlein 1909 [Psocidae]
- Tricheopteryx, Cockerell 1927 [Limnephilidae]
- Trichocera, Meigen 1803 [Trichoceridae]
- Trichogramma, Westwood 1833 [Trichogrammatidae]
- Trichogrammatidae, family, Forster 1856 [Hymenoptera]
- Trichomyia, Haliday 1839 [Psychodidae]
- Trichoneura, Loew 1850 [Limoniidae]
- Trichopeza, Rondani 1856 [Brachystomatidae]
- Trichoptera, order, Kirby 1815 [Insecta]
- Trichopteridium, Geinitz 1880 [Necrotauliidae]
- Trichosia, Winnertz 1867 [Sciaridae]
- Tricyphona, Zetterstedt 1837 [Pediciidae]
- Trigites, Handlirsch 1907 [Staphylinidae]
- Trigona, Jurine 1807 [Apidae]
- Trigonalyidae, family, Cresson 1887 [Hymenoptera]
- Trigonalys, Westwood 1835 [Trigonalidae]
- Trioxys, Haliday 1833 [Braconidae]
- Triphleba, Rondani 1856 [Phoridae]
- Triplectides, Kolenati 1858 [Leptoceridae]
- Trixoscelis, Rondani 1856 [Heleomyzidae]
- Trogiidae, family, Enderlein 1903 [Psocodea]
- Trogus, Panzer 1806 [Ichneumonidae]
- Tryphon, Fallen 1813 [Ichneumonidae]
- Tychus, Leach 1817 [Staphylinidae]
- Tyrus, Aube 1833 [Staphylinidae]
- Ula, Haliday 1833 [Limoniidae]
- Umoricoleus, Kukalova 1969 [Moravocoleidae]
- Undopterix, Skalski 1979 [Eolepidopterigidae]
- Uralocoleus, Zalessky 1947 [Tshekardocoleidae]
- Urosigalphus, Ashmead 1889 [Braconidae]
- Urosyntexis, Rasnitsyn 1969 [Anaxyelidae]
- Urotryphon, Townes 1973 [Ichneumonidae]
- Uroxyela, Rasnitsyn 1966 [Xyelidae]
- Usia, Latreille 1802 [Bombyliidae]
- Uskatelytridae, family, Martynova 1952 [Glosselytrodea]
- Uskatelytrum, Martynova 1952 [Uskatelytridae]
- Vanessa, Fabricius 1807 [Nymphalidae]
- Verrallia, Mik 1899 [Pipunculidae]
- Villa, Lioy 1864 [Bombyliidae]
- Vollenhovia, Mayr 1865 [Formicidae]
- Votocoleus, Kukalova 1969 [Moravocoleidae]
- Wilcoxia, Dunstan 1923 [Asiocoleidae]
- Winnertzia, Rondani 1860 [Cecidomyiidae]
- Winnertziola, Kieffer 1912 [Cecidomyiidae]
- Xanthochlorus, Loew 1857 [Dolichopodidae]
- Xenarcha, Forster 1862 [Braconidae]
- Xiphandrium, Loew 1857 [Dolichopodidae]
- Xiphenax, Cockerell 1931 [Insecta]
- Xiphoxyela, Rasnitsyn 1969 [Xyelidae]
- Xorides, Latreille 1809 [Ichneumonidae]
- Xyelinus, Rasnitsyn 1964 [Xyelidae]
- Xyelisca, Rasnitsyn 1969 [Xyelidae]
- Xyelites, Rasnitsyn 1966 [Xyelidae]
- Xyleutites, Kozhanchikov 1957 [Cossidae]
- Xylocopa, Latreille 1802 [Apidae]
- Xylomya, Rondani 1861 [Xylomyidae]
- Xylomyidae, family, Verrall 1909 [Diptera]
- Xylophagidae, family, Fallen 1810 [Diptera]
- Xylophagus, Meigen 1803 [Xylophagidae]
- Zeugloptera, suborder, Chapman 1917 [Lepidoptera]
- Zygaena, Fabricius 1775 [Zygaenidae]
- Zygaenidae, family, Latreille 1809 [Lepidoptera]
- Zygaenites, Burgeff 1951 [Zygaenidae]
- Zygota, Forster 1856 [Diapriidae]