| Acartophthalmidae Czerny, 1928 | Acartophthalmid flies | 2 | Species | Taxom |
| Acroceridae Leach, 1815 | Hunch-back flies | 8 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 6 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 9 | Species | Taxom |
| Agaonidae Walker, 1848 | Fig wasp | 6 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 10 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 5 | Species | Taxom |
| Ampulicidae Shuckard, 1840 | Ampulicid wasps | 3 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 14 | Species | Taxom |
| Angarosphecidae Rasnitsyn, 1975 | | 1 | Species | Taxom |
| Anisopodidae Knab, 1912 | Window Midges | 21 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 11 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 13 | Species | Taxom |
| Anthomyzidae Czerny, 1903 | Anthomyzid flies | 13 | Species | Taxom |
| Anthophoridae (C. L. Koch, 1846) | | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 53 | Species | Taxom |
| Apataniidae Wallengren, 1886 | Early Smoky Wing Sedges | 3 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 3 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 104 | Species | Taxom |
| Arctiidae Leach, 1815 | Footman moths | 1 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 8 | Species | Taxom |
| Artematopodidae Lacordaire, 1857 | Soft bodied plant beetle | 7 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 63 | Species | Taxom |
| Asteiidae Rondani, 1856 | Asteiid Flies | 2 | Species | Taxom |
| Atelestidae Hennig, 1970 | | 1 | Species | Taxom |
| Athericidae Stuckenberg, 1973 | Athericid flies | 6 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 72 | Species | Taxom |
| Aulacidae Shuckard, 1842 | Aulacid wasps | 11 | Species | Taxom |
| Aulacigastridae Wollaston, 1864 | Aulacigastrid flies | 1 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 2 | Species | Taxom |
| Belidae Schönherr, 1826 | Belid Beetle | 12 | Species | Taxom |
| Beraeidae Wallengren, 1891 | Small eastern caddisflies | 3 | Species | Taxom |
| Berendtimiridae Winkler, 1987 | | 1 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 55 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 346 | Species | Taxom |
| Biphyllidae LeConte, 1861 | Biphyllid beetles | 1 | Species | Taxom |
| Bittacidae Handlirsch, 1906 | Hanging scorpionflies | 12 | Species | Taxom |
| Blasticotomidae Thomson, 1871 | Blasticotomid sawflies | 1 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 5 | Species | Taxom |
| Bohartillidae Kinzelbach, 1969 | | 3 | Species | Taxom |
| Boleopsidae Kirejtshuk &..., 2013 | | 1 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 3 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 67 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 9 | Species | Taxom |
| Bothrideridae Erichson, 1845 | Cocoon-forming beetles | 4 | Species | Taxom |
| Brachycentridae Ulmer, 1903 | Humpless Casemaker Caddisflies | 3 | Species | Taxom |
| Brachyceritidae Hong, 2002 | | 1 | Species | Taxom |
| Brachypsectridae LeConte & Horn, 1883 | Texas beetle | 1 | Species | Taxom |
| Brachypteridae (Erichson, 1845) | Short-winged Flower Beetles | 3 | Species | Taxom |
| Brachystomatidae Melander, 1908 | | 2 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 228 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 39 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 161 | Species | Taxom |
| Byrrhidae Latreille, 1804 | Moss beetles | 29 | Species | Taxom |
| Calamoceratidae Ulmer, 1905 | | 4 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 4 | Species | Taxom |
| Camillidae Frey, 1921 | Camillid flies | 2 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 54 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 513 | Species | Taxom |
| Caridae Thompson, 1992 | | 5 | Species | Taxom |
| Carnidae Newman, 1834 | Bird flies | 2 | Species | Taxom |
| Castniidae Boisduval, 1828 | Castniid moths | 1 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Forest Midges | 144 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 7 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 151 | Species | Taxom |
| Ceraphronidae Haliday, 1833 | Ceraphronid wasps | 1 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 180 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 1 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 7 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 1 | Species | Taxom |
| Chaoboridae Newman, 1834 | Phantom midge | 17 | Species | Taxom |
| Chelonariidae Blanchard, 1845 | Chelonarid beetles | 1 | Species | Taxom |
| Chimeromyiidae Grimaldi & C..., 2009 | | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 207 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 6 | Species | Taxom |
| Choristidae Esben-Petersen, 1915 | | 1 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 8 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 311 | Species | Taxom |
| Chyromyidae Hendel, 1916 | Chiromyid flies | 1 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 1 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 17 | Species | Taxom |
| Cimbrophlebiidae Willmann, 1977 | Hangingfly | 5 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 31 | Species | Taxom |
| Clusiidae Schönherr, 1840 | Clusiid flies | 4 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 37 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 3 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 2 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 3 | Species | Taxom |
| Copromorphidae Meyrick, 1905 | Fig Borers | 1 | Species | Taxom |
| Coptoclavidae Ponomarenko, 1961 | Extinct family | 1 | Species | Taxom |
| Corioxenidae Kinzelbach, 1970 | | 1 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 2 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 4 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 51 | Species | Taxom |
| Cryptochetidae Brues & Mela..., 1932 | Cryptochetid Flies | 1 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 19 | Species | Taxom |
| Ctenophthalmidae Rothschild, 1915 | | 4 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 11 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 24 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 18 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 699 | Species | Taxom |
| Curtonotidae Duda, 1934 | Curtonotid flies | 3 | Species | Taxom |
| Cylindrotomidae (Mulsant, 1842) | Cylindrotomid Crane Flies | 9 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 12 | Species | Taxom |
| Cypselosomatidae Hennig, 1958 | Cypselosomatid flies | 1 | Species | Taxom |
| Dascillidae Guérin-Ménev..., 1843 | Orchid beetles | 12 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 46 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 1 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 20 | Species | Taxom |
| Diastatidae Hendel, 1917 | Bog flies | 4 | Species | Taxom |
| Dinopanorpidae Carpenter, 1972 | | 7 | Species | Taxom |
| Diopsidae Billberg, 1820 | Stalk-eyed flies | 3 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 2 | Species | Taxom |
| Dipseudopsidae Ulmer, 1904 | | 3 | Species | Taxom |
| Ditomyiidae Keilin, 1919 | | 1 | Species | Taxom |
| Dixidae Schiner, 1868 | Dixid Midges | 10 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 119 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 11 | Species | Taxom |
| Dryinidae Haliday, 1840 | Dryinid wasps | 36 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 4 | Species | Taxom |
| Dryophthoridae (Schönherr, 1825) | Palm weevils | 1 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 8 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 132 | Species | Taxom |
| Ecnomidae Ulmer, 1903 | | 20 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 11 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 129 | Species | Taxom |
| Electrotomidae Rasnitsyn, 1977 | | 1 | Species | Taxom |
| Elenchidae Perkins, 1905 | | 1 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 16 | Species | Taxom |
| Embolemidae Förster, 1856 | Embolemid wasps | 3 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 93 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 13 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 6 | Species | Taxom |
| Eomeropidae Cockerell, 1909 | | 4 | Species | Taxom |
| Eophlebomyiidae Cockerell, 1925 | | 1 | Species | Taxom |
| Eorpidae Archibald & al., 2013 | | 3 | Species | Taxom |
| Eostephanitidae Hong, 2002 | | 1 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 2 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 9 | Species | Taxom |
| Eriocraniidae Rebel, 1901 | Eriocraniid moths | 1 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 9 | Species | Taxom |
| Eucharitidae Latreille, 1809 | Eucharitid wasp | 1 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 22 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 7 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 6 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 8 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 8 | Species | Taxom |
| Expansicornidae Hong, 2002 | | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 5 | Species | Taxom |
| Formicidae Latreille, 1809 | Ants | 697 | Species | Taxom |
| Fungivoritidae Rohdendorf, 1957 | | 1 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 12 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 8 | Species | Taxom |
| Glaphyridae MacLeay, 1819 | Bumble bee scarab beetle | 3 | Species | Taxom |
| Glaphyropteridae Pongracz, 1935 | | 16 | Species | Taxom |
| Glossinidae Theobald, 1903 | Tik-tik flies | 2 | Species | Taxom |
| Glossosomatidae Wallengren, 1891 | Little Black Caddisflies | 9 | Species | Taxom |
| Goeridae Ulmer, 1903 | | 4 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 2 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 15 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 24 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 2 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 17 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 15 | Species | Taxom |
| Heloridae Förster, 1856 | Helorid wasps | 1 | Species | Taxom |
| Helotidae Reitter, 1876 | | 3 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 3 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Skipper | 20 | Species | Taxom |
| Hesperinidae Hendel, 1928 | | 4 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 6 | Species | Taxom |
| Hippoboscidae Samouelle, 1819 | Keds | 4 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 18 | Species | Taxom |
| Hoffeinsmyiidae Michelsen, 2009 | | 1 | Species | Taxom |
| Huaxiasciaritidae (Hong, 2002) | | 24 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 7 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 31 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 11 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 12 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 125 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 17 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 62 | Species | Taxom |
| Hygrobiidae Régimbart, 1878 | Screech beetles | 1 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 3 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 204 | Species | Taxom |
| Incurvariidae Spuler, 1898 | Fairy moths | 1 | Species | Taxom |
| Ithyceridae (Schönherr, 1826) | New York weevil | 1 | Species | Taxom |
| Jacobsoniidae Heller, 1926 | Jacobson's beetles | 1 | Species | Taxom |
| Kalophryganeidae Haupt, 1956 | | 1 | Species | Taxom |
| Kateretidae Kirkby, 1837 | Pollen Beetles | 2 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 40 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 6 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 24 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 4 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 16 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 16 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 28 | Species | Taxom |
| Leucospidae Fabricius, 1775 | Leucospid wasps | 1 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 24 | Species | Taxom |
| Limnichidae Erichson, 1846 | Minute marsh loving beetle | 3 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 40 | Species | Taxom |
| Lonchaeidae Loew, 1861 | Lance Flies | 2 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 14 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 7 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 6 | Species | Taxom |
| Lygistorrhinidae Hendel, 1936 | Long beaked fungus gnat | 1 | Species | Taxom |
| Lymexylidae Fleming, 1821 | Ship-timber beetle | 4 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 2 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 34 | Species | Taxom |
| Megalyridae Schletterer, 1889 | Megalyrid wasps | 8 | Species | Taxom |
| Megaspilidae Ashmead, 1893 | Megaspilid wasps | 7 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 15 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 7 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 14 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 17 | Species | Taxom |
| Mengeidae Pierce, 1908 | | 2 | Species | Taxom |
| Mesokristenseniidae Huang, Nel &..., 2010 | | 1 | Species | Taxom |
| Micromalthidae Barber, 1913 | Micromalthid beetles | 3 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 4 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 6 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 10 | Species | Taxom |
| Molannidae Wallengren, 1891 | Hood Casemaker Caddisflies | 2 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 3 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 27 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 10 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 5 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 4 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 425 | Species | Taxom |
| Mycteridae Blanchard, 1845 | Mycterid beetles | 4 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 23 | Species | Taxom |
| Mymarommatidae Debauche, 1948 | False fairy wasp | 2 | Species | Taxom |
| Myrmecolacidae Saunders, 1872 | | 15 | Species | Taxom |
| Myrmosidae Fox, 1894 | Myrmosid Wasps | 8 | Species | Taxom |
| Mythicomyiidae Melander, 1902 | Micro Bee Flies | 7 | Species | Taxom |
| Nemestrinidae Macquart, 1834 | Tangle-veined flies | 5 | Species | Taxom |
| Nemonychidae Bedel, 1882 | Nemonychid weevils | 2 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 6 | Species | Taxom |
| Neurochaetidae Mcalpine, 1978 | Upside-Down Flies | 2 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 55 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 23 | Species | Taxom |
| Nosodendridae Erichson, 1846 | Nosodendrid beetles | 4 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 1 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 3 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 48 | Species | Taxom |
| Nymphomyiidae Tokunaga, 1932 | Nymphomyiid crane flies | 1 | Species | Taxom |
| Ochodaeidae Mulsant & Rey, 1870 | Sand-loving scarab beetle | 1 | Species | Taxom |
| Odiniidae Hendel, 1920 | Odiniid flies | 1 | Species | Taxom |
| Odontoceridae Wallengren, 1891 | Mortarjoint Casemaker Caddisflies | 7 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 15 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 4 | Species | Taxom |
| Oestridae Leach, 1815 | Bot flies | 6 | Species | Taxom |
| Omalisidae Lacordaire, 1857 | | 1 | Species | Taxom |
| Omethidae LeConte, 1861 | False fireflies | 1 | Species | Taxom |
| Ommatidae Sharp & Muir, 1912 | | 1 | Species | Taxom |
| Opetiidae Rondani, 1856 | Flat-footed flies | 1 | Species | Taxom |
| Opomyzidae (Fallen, 1820) | Opomyzid flies | 2 | Species | Taxom |
| Orussidae Newman, 1834 | Orussid wasps | 3 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 4 | Species | Taxom |
| Paleomelittidae Engel, 2001 | | 1 | Species | Taxom |
| Pallopteridae Loew, 1862 | Flutter flies | 7 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 6 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 11 | Species | Taxom |
| Panorpodidae Byers, 1965 | Short-faced scorpionflies | 5 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 11 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 2 | Species | Taxom |
| Pediciidae Osten Sacken, 1860 | Hairy-Eyed Crane Flies | 3 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 2 | Species | Taxom |
| Peradeniidae Naumann & Ma..., 1985 | | 1 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 1 | Species | Taxom |
| Perilampidae Latreille, 1809 | Perilampid waps | 2 | Species | Taxom |
| Periscelididae Oldenberg, 1914 | Periscelidid Flies | 9 | Species | Taxom |
| Phaeomyiidae (Verbeke, 1950) | Marsh flies | 1 | Species | Taxom |
| Phalacridae Leach, 1815 | Shining flower beetles | 6 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 24 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 62 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 31 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 11 | Species | Taxom |
| Piophilidae Macquart, 1835 | Cheese flies | 1 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 11 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 6 | Species | Taxom |
| Platypezidae Fallen, 1815 | Flat footed flies | 6 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 4 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 83 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 21 | Species | Taxom |
| Prionoceridae Lacaordaire, 1857 | | 1 | Species | Taxom |
| Proctotrupidae Latreille, 1802 | Proctotrupid wasps | 12 | Species | Taxom |
| Proneottiophilidae Hennig, 1969 | | 1 | Species | Taxom |
| Proterhinidae (Fauvel, 1891) | | 2 | Species | Taxom |
| Protoxenidae Pohl, Beutel..., 2005 | | 1 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 3 | Species | Taxom |
| Pseudopomyzidae (Mcalpine, 1966) | Banana flies | 2 | Species | Taxom |
| Pseudostenolestidae Garrouste & Nel, 2015 | | 1 | Species | Taxom |
| Psilidae Macquart, 1835 | Carrot flies | 2 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 5 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 67 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 9 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 29 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 1 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 6 | Species | Taxom |
| Ptilodactylidae Laporte, 1836 | Ptilodactylid beetles | 2 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 53 | Species | Taxom |
| Ptychopteridae Osten Sacken, 1862 | Phantom crane flies | 9 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 3 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 5 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 2 | Species | Taxom |
| Pythidae Solier, 1834 | Dead log bark beetles | 1 | Species | Taxom |
| Rangomaramidae Jaschhof & D..., 2002 | | 3 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 26 | Species | Taxom |
| Rhipiphoridae Gemminger & ..., 1870 | Hump back beetles | 5 | Species | Taxom |
| Rhopalosomatidae Ashmead, 1896 | Rhopalosomatid wasps | 2 | Species | Taxom |
| Rhyacophilidae Stephens, 1836 | Free-living Caddisflies | 1 | Species | Taxom |
| Rhynchitidae Gistel, 1848 | Leaf-rolling weevils | 3 | Species | Taxom |
| Richardiidae (Snow, 1896) | Picture-winged flies | 3 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 6 | Species | Taxom |
| Ripiphoridae Gemminger & ..., 1870 | Rhipiphoridae | 3 | Species | Taxom |
| Roproniidae Bradley, 1905 | Roproniid wasps | 1 | Species | Taxom |
| Salpingidae Leach, 1815 | Narrow-waisted bark beetle | 3 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 2 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 181 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 16 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 46 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 2 | Species | Taxom |
| Schizopodidae (LeConte, 1859) | False Jewel Beetles | 1 | Species | Taxom |
| Sciaridae Billberg, 1820 | Black fungus gnats | 8 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 14 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 32 | Species | Taxom |
| Scolebythidae Evans, 1963 | Scolebythid wasps | 13 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 5 | Species | Taxom |
| Scraptiidae Mulsant, 1856 | Antlike leaf beetles | 11 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 22 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 5 | Species | Taxom |
| Sericostomatidae Stephens, 1836 | Bushtailed Caddisflies | 6 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 32 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 3 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 12 | Species | Taxom |
| Sinisilvanidae (Hong, 2002) | | 1 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 6 | Species | Taxom |
| Smicripidae Horn, 1879 | Palmetto beetle | 2 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 3 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 13 | Species | Taxom |
| Sphindidae Jacquelin du..., 1860 | Cryptic slime mold beetle | 1 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 5 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 339 | Species | Taxom |
| Stenopsychidae Martynov, 1924 | | 1 | Species | Taxom |
| Stephanidae Leach, 1815 | Crown wasp | 7 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 21 | Species | Taxom |
| Streblidae (Kolenati, 1863) | Bat flies | 1 | Species | Taxom |
| Stylopidae Kirby, 1813 | Strepsiptera | 1 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 87 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 20 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 8 | Species | Taxom |
| Tanaostigmatidae Howard, 1890 | Tanaostigmatid wasps | 1 | Species | Taxom |
| Tanyderidae Alexander, 1919 | Primitive crane flies | 2 | Species | Taxom |
| Tanypezidae Rondani, 1856 | Stretched-foot flies | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 117 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 63 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 9 | Species | Taxom |
| Tetracampidae Förster, 1856 | Tetracampid wasps | 2 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 2 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 12 | Species | Taxom |
| Throscidae Laporte, 1840 | False metallic wood-boring beetles | 15 | Species | Taxom |
| Thynnidae Shuckard, 1841 | Thynnid Wasps | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 21 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 16 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 377 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 11 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 18 | Species | Taxom |
| Trachypachidae C. G. Thomson, 1857 | False ground beetle | 3 | Species | Taxom |
| Trichoceridae Rondani, 1841 | Winter Crane Flies | 13 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 5 | Species | Taxom |
| Trigonalidae (Cresson, 1887) | Trigonalid sawflies | 1 | Species | Taxom |
| Trigonalyidae | | 1 | Species | Taxom |
| Tritarsidae Hong, 2002 | | 1 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 2 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 22 | Species | Taxom |
| Tshekardocoleidae Rohdendorf, 1944 | | 3 | Species | Taxom |
| Urolibellulidae Zeiri & al., 2015 | | 1 | Species | Taxom |
| Valeseguyidae Amorim & Gri..., 2006 | | 1 | Species | Taxom |
| Vesperidae Mulsant, 1839 | Vesperid longicorn beetles | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 47 | Species | Taxom |
| Xiphocentronidae Schmid, 1982 | | 1 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 12 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 2 | Species | Taxom |
| Xylophagidae Fallen, 1810 | Awl-flies | 7 | Species | Taxom |
| Yantarocentridae Ivanov & Mel..., 2015 | | 1 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 6 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 15 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 4 | Species | Taxom |
