| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 4 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 2 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 32 | Species | Taxom |
| Acroceridae Leach, 1815 | Hunch-back flies | 13 | Species | Taxom |
| Adelgidae Heinze, 1962 | Adelgids | 3 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 1 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 7 | Species | Taxom |
| Aenictopecheidae Usinger, 1932 | | 4 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 3 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 9 | Species | Taxom |
| Agaonidae Walker, 1848 | Fig wasp | 10 | Species | Taxom |
| Agapythidae Sen Gupta an..., 1969 | | 1 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 68 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 3 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 17 | Species | Taxom |
| Alleculidae Laporte de C..., 1840 | Comb-clawed beetle | 1 | Species | Taxom |
| Alucitidae Leach, 1815 | Many Plumed Moths | 2 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 1 | Species | Taxom |
| Ameletopsidae Edmunds, 1957 | | 1 | Species | Taxom |
| Ampulicidae Shuckard, 1840 | Ampulicid wasps | 2 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 2 | Species | Taxom |
| Anisopodidae Knab, 1912 | Window Midges | 6 | Species | Taxom |
| Anostostomatidae Saussure, 1859 | Wetas & King Crickets | 39 | Species | Taxom |
| Anthelidae Turner, 1904 | Australian Lappet Moths | 7 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 34 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 13 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 8 | Species | Taxom |
| Anthomyzidae Czerny, 1903 | Anthomyzid flies | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 148 | Species | Taxom |
| Apataniidae Wallengren, 1886 | Early Smoky Wing Sedges | 2 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 18 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 34 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 144 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 17 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 41 | Species | Taxom |
| Apsilocephalidae Nagatomi & al., 1991 | | 1 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 50 | Species | Taxom |
| Archeocrypticidae Kaszab, 1964 | Ancient Fungus Beetles | 2 | Species | Taxom |
| Artheneidae Stål, 1872 | | 1 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 38 | Species | Taxom |
| Asteiidae Rondani, 1856 | Asteiid Flies | 3 | Species | Taxom |
| Asterolecaniidae Cockerell, 1896 | Asterolecaniids | 3 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 5 | Species | Taxom |
| Aulacidae Shuckard, 1842 | Aulacid wasps | 1 | Species | Taxom |
| Aulacigastridae Wollaston, 1864 | Aulacigastrid flies | 0 | Species | Taxom |
| Australimyzidae Griffiths, 1972 | | 5 | Species | Taxom |
| Austroperlidae Tillyard, 1921 | | 1 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 4 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 1 | Species | Taxom |
| Batrachedridae Heinemann & ..., 1876 | Batrachedrid Moths | 12 | Species | Taxom |
| Belidae Schönherr, 1826 | Belid Beetle | 23 | Species | Taxom |
| Berothidae Handlirsch, 1906 | Beaded lacewing | 1 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 1 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 25 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 15 | Species | Taxom |
| Blaberidae Saussure, 1864 | Blaberids | 2 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 8 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 24 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 10 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 8 | Species | Taxom |
| Boopiidae Mjöberg, 1910 | | 3 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 16 | Species | Taxom |
| Bothrideridae Erichson, 1845 | Cocoon-forming beetles | 7 | Species | Taxom |
| Brachodidae Agenjo, 1966 | Little Bear Moths | 1 | Species | Taxom |
| Brachyceridae (Billberg, 1820) | Brachycerids | 5 | Species | Taxom |
| Brachystomatidae Melander, 1908 | | 39 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 169 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 13 | Species | Taxom |
| Breyeriidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Bryopsocidae (Mockford, 1984) | | 2 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 21 | Species | Taxom |
| Byrrhidae Latreille, 1804 | Moss beetles | 6 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 10 | Species | Taxom |
| Calamoceratidae Ulmer, 1905 | | 1 | Species | Taxom |
| Callaphididae (Borner, 1952) | | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 84 | Species | Taxom |
| Calocidae Ross, 1967 | | 5 | Species | Taxom |
| Calophyidae Vondracek, 1957 | | 3 | Species | Taxom |
| Canaceidae (Jones, 1906) | Beach flies | 1 | Species | Taxom |
| Canacidae Jones, 1906 | Beach Flies | 12 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 32 | Species | Taxom |
| Canthyloscelidae Enderlein, 1912 | | 5 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 29 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 816 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 3 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 56 | Species | Taxom |
| Castniidae Boisduval, 1828 | Castniid moths | 1 | Species | Taxom |
| Cavognathidae Sen Gupta an..., 1966 | | 4 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 124 | Species | Taxom |
| Cecidosidae Brèthes, 1916 | Gall Moths | 1 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 283 | Species | Taxom |
| Ceraphronidae Haliday, 1833 | Ceraphronid wasps | 0 | Species | Taxom |
| Ceratocombidae Fieber, 1861 | | 2 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 4 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 46 | Species | Taxom |
| Cerococcidae Balachowsky, 1942 | Cerococcids | 3 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 3 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 6 | Species | Taxom |
| Chalcodryidae Watt, 1974 | | 12 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 4 | Species | Taxom |
| Chaoboridae Newman, 1834 | Phantom midge | 1 | Species | Taxom |
| Chathamiidae Tillyard, 1925 | Marine Caddises | 6 | Species | Taxom |
| Chelonariidae Blanchard, 1845 | Chelonarid beetles | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 182 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 69 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 23 | Species | Taxom |
| Choristidae Esben-Petersen, 1915 | | 1 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 2 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 51 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 2 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 149 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 56 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 27 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 1 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 2 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 34 | Species | Taxom |
| Clambidae Fischer, 1821 | Fringe-winged beetles | 13 | Species | Taxom |
| Clastopteridae Stål, 1858 | Clastopterid Spittlebugs | 2 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 12 | Species | Taxom |
| Clusiidae Schönherr, 1840 | Clusiid flies | 1 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 72 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 39 | Species | Taxom |
| Cochylidae | | 3 | Species | Taxom |
| Coelopidae Hendel, 1910 | Kelp Flies | 11 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 9 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 10 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 52 | Species | Taxom |
| Coloburiscidae Edmunds, 1963 | | 1 | Species | Taxom |
| Coniopterygidae Burmeister, 1839 | Dusty lacewings | 2 | Species | Taxom |
| Conoesucidae Ross, 1967 | | 17 | Species | Taxom |
| Copromorphidae Meyrick, 1905 | Fig Borers | 3 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 8 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 3 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 14 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 1 | Species | Taxom |
| Corydiidae de Saussure, 1864 | Sand cockroaches | 2 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 6 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 22 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 17 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 36 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 326 | Species | Taxom |
| Cryptochetidae Brues & Mela..., 1932 | Cryptochetid Flies | 1 | Species | Taxom |
| Cryptococcidae | | 1 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 7 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 3 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 35 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 1 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 1594 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 9 | Species | Taxom |
| Cymidae Baerensprung, 1860 | | 2 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 2 | Species | Taxom |
| Dactylopiidae Signoret, 1875 | Cochineal insects | 1 | Species | Taxom |
| Dalceridae Dyar, 1898 | Dalcerid moths | 0 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 23 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 2 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 24 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 2 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 13 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 54 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 117 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 1 | Species | Taxom |
| Dipseudopsidae Ulmer, 1904 | | 1 | Species | Taxom |
| Ditomyiidae Keilin, 1919 | | 28 | Species | Taxom |
| Dixidae Schiner, 1868 | Dixid Midges | 12 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 193 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 1 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 24 | Species | Taxom |
| Dryinidae Haliday, 1840 | Dryinid wasps | 7 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 0 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 40 | Species | Taxom |
| Echinophthiriidae Enderlein, 1904 | | 4 | Species | Taxom |
| Ecnomidae Ulmer, 1903 | | 1 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 4 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 10 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 60 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 137 | Species | Taxom |
| Elenchidae Perkins, 1905 | | 2 | Species | Taxom |
| Elipsocidae Pearman, 1936 | Damp Barklice | 11 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 2 | Species | Taxom |
| Embolemidae Förster, 1856 | Embolemid wasps | 1 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 154 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 98 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 1 | Species | Taxom |
| Enicocephalidae Stål, 1860 | Gnat bug | 7 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 1 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 2 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 63 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 122 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 100 | Species | Taxom |
| Eriocraniidae Rebel, 1901 | Eriocraniid moths | 0 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 17 | Species | Taxom |
| Eucinetidae Lacordaire, 1857 | Plate-thigh beetle | 1 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 0 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 72 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 6 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 8 | Species | Taxom |
| Eustheniidae Tillyard, 1921 | | 4 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 2 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 12 | Species | Taxom |
| Fergusoninidae Hennig, 1958 | | 2 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 8 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 4 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 1 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 160 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 7 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 77 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 1 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 487 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 3 | Species | Taxom |
| Glyphipterigidae Stainton, 1854 | Glyphipterigid moths | 58 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 2 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 35 | Species | Taxom |
| Gripopterygidae Enderlein, 1909 | | 80 | Species | Taxom |
| Gryllacrididae Blanchard, 1845 | Camel Crickets | 2 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 4 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 1 | Species | Taxom |
| Gyropidae Kellogg, 1896 | | 2 | Species | Taxom |
| Haematopinidae Enderlein, 1904 | Ungulate lice | 3 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 19 | Species | Taxom |
| Halictophagidae Perkins, 1905 | | 1 | Species | Taxom |
| Halimococcidae Brown & McKe..., 1962 | Halimococcids | 2 | Species | Taxom |
| Helcomyzidae Malloch, 1933 | Helcomyzid flies | 1 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 34 | Species | Taxom |
| Helicophidae Mosely, 1953 | | 2 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 10 | Species | Taxom |
| Heliodinidae Heinemann & ..., 1876 | Heliodinid moths | 2 | Species | Taxom |
| Heliozelidae Heinemann & ..., 1876 | Leaf miners | 1 | Species | Taxom |
| Helophoridae (Leach, 1815) | Water scavenger beetles | 1 | Species | Taxom |
| Helosciomyzidae Griffiths, 1972 | | 18 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 5 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 51 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 0 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 26 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 1 | Species | Taxom |
| Heterogastridae Stål, 1872 | | 1 | Species | Taxom |
| Heteromyzidae Fallen, 1820 | Heleomyzid flies | 2 | Species | Taxom |
| Hippoboscidae Samouelle, 1819 | Keds | 6 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 36 | Species | Taxom |
| Homotomidae Heslop-Harrison, 1958 | | 1 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 1 | Species | Taxom |
| Huttoninidae (Steyskal, 1965) | Marsh flies | 8 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 27 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 39 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 109 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 2 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 62 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 16 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 21 | Species | Taxom |
| Hymenopodidae Giglio-Tos, 1919 | Flower mimic mantises | 1 | Species | Taxom |
| Hystrichopsyllidae Tiraboschi, 1904 | Insectivore fleas | 1 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 170 | Species | Taxom |
| Incurvariidae Spuler, 1898 | Fairy moths | 3 | Species | Taxom |
| Ischnopsyllidae Wahlgren, 1907 | Bat fleas | 1 | Species | Taxom |
| Jacobsoniidae Heller, 1926 | Jacobson's beetles | 1 | Species | Taxom |
| Kalotermitidae Froggatt, 1897 | Dampwood termites | 8 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 81 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 1 | Species | Taxom |
| Kokiriidae McFarlane, 1964 | | 1 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 2 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 2 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 0 | Species | Taxom |
| Laemobothriidae Mjöberg, 1910 | | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 2 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 14 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 10 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 20 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 5 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 74 | Species | Taxom |
| Lepidopsocidae Lienhard & S..., 2002 | Scaly-winged bark louse | 5 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 0 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 16 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 38 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 8 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 15 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 2 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 13 | Species | Taxom |
| Limnichidae Erichson, 1846 | Minute marsh loving beetle | 10 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 180 | Species | Taxom |
| Linognathidae Webb, 1946 | | 7 | Species | Taxom |
| Liposcelididae Enderlein, 1911 | Booklice | 3 | Species | Taxom |
| Liturgusidae Giglio-Tos, 1919 | | 1 | Species | Taxom |
| Liviidae Low, 1879 | | 3 | Species | Taxom |
| Lonchopteridae Curtis, 1839 | Pointed-wing flies | 1 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 74 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 56 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 2 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 74 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 6 | Species | Taxom |
| Maamingidae Early, Manse..., 2001 | | 2 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 8 | Species | Taxom |
| Margarodidae Newstead, 1901 | Cottony cushion scales | 10 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 16 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 3 | Species | Taxom |
| Megaspilidae Ashmead, 1893 | Megaspilid wasps | 10 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 29 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 2 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 2 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 5 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 84 | Species | Taxom |
| Merothripidae Hood, 1914 | Large-legged thrips | 2 | Species | Taxom |
| Mesoveliidae Douglas and ..., 1867 | Pond treaders | 3 | Species | Taxom |
| Micronectidae Jaczewski, 1924 | Pygmy water boatmen | 0 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 3 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 26 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 165 | Species | Taxom |
| Mnesarchaeidae Eyer, 1924 | New Zealand Primitive Moths | 19 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 2 | Species | Taxom |
| Monophlebidae Signoret, 1875 | Giant scale | 2 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 2 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 9 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 86 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 7 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 5 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 364 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 2 | Species | Taxom |
| Myerslopiidae Evans, 1957 | | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 42 | Species | Taxom |
| Mymarommatidae Debauche, 1948 | False fairy wasp | 4 | Species | Taxom |
| Myopsocidae Enderlein, 1907 | Mouse like barklouse | 3 | Species | Taxom |
| Myraboliidae Lawrence and..., 1991 | | 0 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 3 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 9 | Species | Taxom |
| Nannochoristidae Tillyard, 1917 | | 2 | Species | Taxom |
| Nemonychidae Bedel, 1882 | Nemonychid weevils | 14 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 45 | Species | Taxom |
| Nesameletidae (Kluge, Stude..., 1995) | | 5 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 11 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 330 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 1 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 11 | Species | Taxom |
| Nosodendridae Erichson, 1846 | Nosodendrid beetles | 2 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 9 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 4 | Species | Taxom |
| Notonemouridae (Ricker, 1950) | | 2 | Species | Taxom |
| Nycteribiidae Samouelle, 1819 | Bat Flies | 1 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 112 | Species | Taxom |
| Oeconesidae Tillyard, 1921 | | 19 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 365 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 12 | Species | Taxom |
| Oenosandridae Miller, 1991 | Snub Moths | 1 | Species | Taxom |
| Oestridae Leach, 1815 | Bot flies | 3 | Species | Taxom |
| Omaniidae Cobben, 1970 | Intertidal dwarf bug | 0 | Species | Taxom |
| Oniscigastridae Lameere, 1917 | | 2 | Species | Taxom |
| Opomyzidae (Fallen, 1820) | Opomyzid flies | 1 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 2 | Species | Taxom |
| Orussidae Newman, 1834 | Orussid wasps | 1 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 3 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 2 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 1 | Species | Taxom |
| Pallopteridae Loew, 1862 | Flutter flies | 17 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 16 | Species | Taxom |
| Pediculidae Leach, 1817 | | 1 | Species | Taxom |
| Peloridiidae Breddin, 1897 | Gondwanan moss bugs | 14 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 19 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 1 | Species | Taxom |
| Perilampidae Latreille, 1809 | Perilampid waps | 1 | Species | Taxom |
| Peripsocidae Roesler, 1944 | Stout Barklice | 4 | Species | Taxom |
| Personidae Gray, 1854 | | 0 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 2 | Species | Taxom |
| Phalacridae Leach, 1815 | Shining flower beetles | 2 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 18 | Species | Taxom |
| Phenacoleachiidae Cox, 1984 | Phenacoleachiids | 2 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 10 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 251 | Species | Taxom |
| Philorheithridae Mosely, 1936 | | 6 | Species | Taxom |
| Philotarsidae Pearman, 1936 | Loving Barklice | 6 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 70 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 56 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 1 | Species | Taxom |
| Phycosecidae Crowson, 1952 | | 2 | Species | Taxom |
| Phylloxeridae Herrich-Scha..., 1854 | Phylloxeran Aphids | 5 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 33 | Species | Taxom |
| Piophilidae Macquart, 1835 | Cheese flies | 2 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 12 | Species | Taxom |
| Pityococcidae Mckenzie, 1942 | | 0 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 95 | Species | Taxom |
| Platypezidae Fallen, 1815 | Flat footed flies | 1 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 4 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 43 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 9 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 4 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 14 | Species | Taxom |
| Priasilphidae Crowson, 1973 | | 7 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Proctotrupidae Latreille, 1802 | Proctotrupid wasps | 6 | Species | Taxom |
| Prophalangopsidae Saussure, 1878 | Grigs | 1 | Species | Taxom |
| Prostomidae C. G. Thomson, 1859 | Jugular-horned beetle | 0 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 1 | Species | Taxom |
| Pseudocaeciliidae Pearman, 1936 | False Lizard Barklice | 16 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 138 | Species | Taxom |
| Pseudophasmatidae Kirby, 1896 | Striped Walkingsticks | 1 | Species | Taxom |
| Pseudophyllodromiidae Hebard, 1929 | | 2 | Species | Taxom |
| Pseudopomyzidae (Mcalpine, 1966) | Banana flies | 10 | Species | Taxom |
| Psilidae Macquart, 1835 | Carrot flies | 1 | Species | Taxom |
| Psocidae Samouelle, 1819 | Common bark louse | 4 | Species | Taxom |
| Psoquillidae Lienhard & S..., 2002 | Bird Nest Barklice | 1 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 48 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 100 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 2 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 64 | Species | Taxom |
| Psyllipsocidae Enderlein, 1903 | Cave Barklice | 2 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 58 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 51 | Species | Taxom |
| Pthiridae Leach, 1817 | | 1 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 56 | Species | Taxom |
| Ptilodactylidae Laporte, 1836 | Ptilodactylid beetles | 1 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 14 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 3 | Species | Taxom |
| Pygiopsyllidae Wagner, 1939 | | 7 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 35 | Species | Taxom |
| Pyrgomorphidae Brunner von ..., 1874 | Bushlocusts | 0 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 1 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 6 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 1 | Species | Taxom |
| Rallidentidae Tomka & Elpers, 1991 | | 1 | Species | Taxom |
| Rangomaramidae Jaschhof & D..., 2002 | | 11 | Species | Taxom |
| Raphidiomimidae Vishniakova, 1973 | | 0 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 23 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 2 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 57 | Species | Taxom |
| Rhinophoridae Robineau-Des..., 1863 | Woodlouse flies | 0 | Species | Taxom |
| Rhipiceridae Latreille, 1834 | Cedar beetles | 1 | Species | Taxom |
| Rhizoecidae Williams, 1969 | | 10 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 11 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 56 | Species | Taxom |
| Ricaniidae Amyot & Audi..., 1843 | | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 9 | Species | Taxom |
| Ripiphoridae Gemminger & ..., 1870 | Rhipiphoridae | 1 | Species | Taxom |
| Roeslerstammiidae Bruand, 1850 | Double-eye moths | 3 | Species | Taxom |
| Rotoitidae BouÄek & No..., 1987 | Rotoitid wasps | 1 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 25 | Species | Taxom |
| Salpingidae Leach, 1815 | Narrow-waisted bark beetle | 26 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 9 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 12 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 212 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 1 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 5 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 25 | Species | Taxom |
| Schizopteridae Reuter, 1891 | Jumping ground bugs | 1 | Species | Taxom |
| Sciaridae Billberg, 1820 | Black fungus gnats | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 26 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 42 | Species | Taxom |
| Scolebythidae Evans, 1963 | Scolebythid wasps | 0 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 1 | Species | Taxom |
| Scraptiidae Mulsant, 1856 | Antlike leaf beetles | 7 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 183 | Species | Taxom |
| Scythrididae Rebel, 1901 | Flower Moths | 1 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 6 | Species | Taxom |
| Serendipidae Evenhuis, 1994 | | 0 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 3 | Species | Taxom |
| Signiphoridae Howard, 1894 | Signiphorid waps | 4 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 2 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 14 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 22 | Species | Taxom |
| Siphlaenigmatidae Penniket, 1962 | | 1 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 0 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 2 | Species | Taxom |
| Sisyridae Handlirsch, 1908 | Spongeflies | 0 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 59 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 15 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 10 | Species | Taxom |
| Spongiphoridae Verhoeff, 1902 | Little Earwigs | 2 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 1181 | Species | Taxom |
| Stenopelmatidae Burmeister, 1838 | Bulldog Raspy Crickets | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 54 | Species | Taxom |
| Synlestidae Tillyard, 1917 | Malachite | 1 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 108 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 34 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 178 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 1 | Species | Taxom |
| Tanyderidae Alexander, 1919 | Primitive crane flies | 5 | Species | Taxom |
| Tarachodidae Handlirsch, 1930 | | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 208 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 27 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 57 | Species | Taxom |
| Teratomyzidae Hennig, 1969 | Fern Flies | 1 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 3 | Species | Taxom |
| Termopsidae Grassé, 1949 | Damp wood termite | 6 | Species | Taxom |
| Tethinidae (Hendel, 1916) | Tethinid flies | 1 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 1 | Species | Taxom |
| Tettigarctidae Distant, 1905 | Hairy cicada | 1 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 14 | Species | Taxom |
| Thaumaleidae Bezzi, 1913 | Solitary midges | 12 | Species | Taxom |
| Thaumastocoridae Kirkaldy, 1908 | Palm bug | 1 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 85 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 63 | Species | Taxom |
| Thynnidae Shuckard, 1841 | Thynnid Wasps | 5 | Species | Taxom |
| Thyrididae Herrich-Schä..., 1846 | Picture Winged Leaf Moths | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 117 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 8 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 508 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 241 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 7 | Species | Taxom |
| Trichoceridae Rondani, 1841 | Winter Crane Flies | 23 | Species | Taxom |
| Trichodectidae Kellogg, 1896 | | 43 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 7 | Species | Taxom |
| Tricorythidae Lestage, 1942 | Little stout crawler mayflies | 0 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 4 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 3 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 1 | Species | Taxom |
| Trogiidae Enderlein, 1903 | Granary Booklice | 7 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 18 | Species | Taxom |
| Tryonicidae McKittrick &..., 1965 | | 2 | Species | Taxom |
| Ulodidae Pascoe, 1869 | | 6 | Species | Taxom |
| Ulopidae (Le Peletier ..., 1825) | | 35 | Species | Taxom |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 3 | Species | Taxom |
| Vermileonidae Williston, 1886 | Wormlion | 1 | Species | Taxom |
| Vesperidae Mulsant, 1839 | Vesperid longicorn beetles | 4 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 19 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 4 | Species | Taxom |
| Xyloryctidae Meyrick, 1890 | Flower Moths | 10 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 15 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 17 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 5 | Species | Taxom |
