| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 192 | Species | Taxom |
| Acroceridae Leach, 1815 | Hunch-back flies | 5 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 2 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 18 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 4 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 4 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 2 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 12 | Species | Taxom |
| Alucitidae Leach, 1815 | Many Plumed Moths | 4 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 9 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 61 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 75 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 4 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 3 | Species | Taxom |
| Anthophoridae (C. L. Koch, 1846) | | 0 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 2 | Species | Taxom |
| Apataniidae Wallengren, 1886 | Early Smoky Wing Sedges | 1 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 31 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 19 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 43 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 3 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 167 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 3 | Species | Taxom |
| Arctiidae Leach, 1815 | Footman moths | 9 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 10 | Species | Taxom |
| Artheneidae Stål, 1872 | | 9 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 1 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 191 | Species | Taxom |
| Athericidae Stuckenberg, 1973 | Athericid flies | 0 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 15 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 7 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 1 | Species | Taxom |
| Batrachedridae Heinemann & ..., 1876 | Batrachedrid Moths | 1 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 1 | Species | Taxom |
| Beraeidae Wallengren, 1891 | Small eastern caddisflies | 1 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 9 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 2 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 2 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 2 | Species | Taxom |
| Blissidae Stål, 1862 | Chinch Bugs | 4 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 6 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 266 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 18 | Species | Taxom |
| Brachodidae Agenjo, 1966 | Little Bear Moths | 11 | Species | Taxom |
| Brachycentridae Ulmer, 1903 | Humpless Casemaker Caddisflies | 1 | Species | Taxom |
| Brachypteridae (Erichson, 1845) | Short-winged Flower Beetles | 2 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 252 | Species | Taxom |
| Bradynobaenidae Saussure, 1892 | Bradynobaenid wasps | 1 | Species | Taxom |
| Brahmaeidae Swinhoe, 1892 | Brahmin Moths | 2 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 3 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 61 | Species | Taxom |
| Caliscelidae Amyot & Serv..., 1843 | Piglet Bugs | 17 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 13 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 2 | Species | Taxom |
| Canacidae Jones, 1906 | Beach Flies | 1 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 24 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 1117 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 2 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 3 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 12 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 5 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 490 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 35 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 42 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 3 | Species | Taxom |
| Cerococcidae Balachowsky, 1942 | Cerococcids | 1 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 1 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 7 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 9 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 5 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 1 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 22 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 4 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 76 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 9 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 437 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 45 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 2 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 58 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 31 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 31 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 18 | Species | Taxom |
| Cochylidae | | 1 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 9 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 109 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 49 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 15 | Species | Taxom |
| Coptopsyllidae Wagner, 1928 | | 10 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 2 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 39 | Species | Taxom |
| Corydiidae de Saussure, 1864 | Sand cockroaches | 11 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 32 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 128 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 24 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 308 | Species | Taxom |
| Cryptococcidae | | 2 | Species | Taxom |
| Ctenophthalmidae Rothschild, 1915 | | 22 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 1 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 39 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 223 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 1 | Species | Taxom |
| Cymidae Baerensprung, 1860 | | 4 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 3 | Species | Taxom |
| Dascillidae Guérin-Ménev..., 1843 | Orchid beetles | 5 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 37 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 6 | Species | Taxom |
| Dericorythidae Jacobson & B..., 1902 | | 17 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 80 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 5 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 1 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 129 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 25 | Species | Taxom |
| Dilaridae Newman, 1853 | Pleasing lacewing | 1 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 1 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 26 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 9 | Species | Taxom |
| Drilidae (Blanchard, 1845) | Drilid beetles | 1 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 1 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 7 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 13 | Species | Taxom |
| Ecnomidae Ulmer, 1903 | | 3 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 4 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 1 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 34 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 96 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 6 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 6 | Species | Taxom |
| Empusidae Burmeister, 1838 | Violin mantises | 1 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 59 | Species | Taxom |
| Epermeniidae Spuler, 1910 | Epermeniid moths | 6 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 1 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 1 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 22 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 398 | Species | Taxom |
| Eremiaphilidae Wood-Mason, 1889 | | 5 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 3 | Species | Taxom |
| Eucinetidae Lacordaire, 1857 | Plate-thigh beetle | 1 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 2 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 19 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 4 | Species | Taxom |
| Euphaeidae Jacobson & B..., 1905 | Gossamerwings | 1 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 9 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 2 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 4 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 0 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 29 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 7 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 318 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 23 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 70 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 22 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 689 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 26 | Species | Taxom |
| Glaphyridae MacLeay, 1819 | Bumble bee scarab beetle | 35 | Species | Taxom |
| Glaresidae Kolbe, 1905 | Enigmatic scarab beetle | 3 | Species | Taxom |
| Glossosomatidae Wallengren, 1891 | Little Black Caddisflies | 6 | Species | Taxom |
| Glyphipterigidae Stainton, 1854 | Glyphipterigid moths | 7 | Species | Taxom |
| Goeridae Ulmer, 1903 | | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 3 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 15 | Species | Taxom |
| Gryllacrididae Blanchard, 1845 | Camel Crickets | 2 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 20 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 3 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 6 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 113 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 1 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 1 | Species | Taxom |
| Heliodinidae Heinemann & ..., 1876 | Heliodinid moths | 1 | Species | Taxom |
| Heliozelidae Heinemann & ..., 1876 | Leaf miners | 1 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 1 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 2 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 70 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 5 | Species | Taxom |
| Heterogastridae Stål, 1872 | | 6 | Species | Taxom |
| Hippoboscidae Samouelle, 1819 | Keds | 12 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 133 | Species | Taxom |
| Hodotermitidae Desneux, 1904 | Harvester termites | 8 | Species | Taxom |
| Homotomidae Heslop-Harrison, 1958 | | 2 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 3 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 6 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 73 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 23 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 140 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 9 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 27 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 55 | Species | Taxom |
| Iridopterygidae Giglio-Tos, 1919 | | 1 | Species | Taxom |
| Ischnopsyllidae Wahlgren, 1907 | Bat fleas | 4 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 44 | Species | Taxom |
| Kalotermitidae Froggatt, 1897 | Dampwood termites | 3 | Species | Taxom |
| Kermesidae Signoret, 1875 | Gall-like Scale Insects | 3 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 7 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 4 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 3 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 4 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 1 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 35 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 1 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 7 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 2 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 95 | Species | Taxom |
| Lemoniidae Hampson, 1918 | Autumn Silkworm Moths | 2 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 10 | Species | Taxom |
| Lepismatidae Latreille, 1802 | Lepismatid Fishmoths | 2 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 15 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 1 | Species | Taxom |
| Leptopsyllidae Rothschild &..., 1915 | Bird fleas | 17 | Species | Taxom |
| Leuctridae Klapálek, 1905 | Needle Or Willow Stoneflies | 10 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 22 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 7 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 30 | Species | Taxom |
| Limnichidae Erichson, 1846 | Minute marsh loving beetle | 1 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 11 | Species | Taxom |
| Liposcelididae Enderlein, 1911 | Booklice | 1 | Species | Taxom |
| Liviidae Low, 1879 | | 22 | Species | Taxom |
| Lonchaeidae Loew, 1861 | Lance Flies | 1 | Species | Taxom |
| Lophopidae Stål, 1866 | | 2 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 14 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 280 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 1 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 37 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 7 | Species | Taxom |
| Machilidae Grassi, 1888 | Jumping bristletail | 3 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 26 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 1 | Species | Taxom |
| Margarodidae Newstead, 1901 | Cottony cushion scales | 6 | Species | Taxom |
| Meenoplidae Fieber, 1872 | | 4 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 119 | Species | Taxom |
| Megalodontesidae Konow, 1897 | | 4 | Species | Taxom |
| Melanthripidae Bagnall, 1913 | | 4 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 5 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 27 | Species | Taxom |
| Melolonthidae (Leach, 1817) | Chafers | 2 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 74 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 2 | Species | Taxom |
| Micronectidae Jaczewski, 1924 | Pygmy water boatmen | 1 | Species | Taxom |
| Micronoctuidae Fibiger, 2005 | | 1 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 2 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 269 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 2 | Species | Taxom |
| Monophlebidae Signoret, 1875 | Giant scale | 1 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 1 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 20 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 24 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 37 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 2 | Species | Taxom |
| Myrmecophilidae Saussure, 1874 | Ant cricket | 10 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 7 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 0 | Species | Taxom |
| Nemestrinidae Macquart, 1834 | Tangle-veined flies | 9 | Species | Taxom |
| Nemopteridae Rambur, 1842 | Spoonwings | 3 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 14 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 3 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 5 | Species | Taxom |
| Nicoletiidae Escherich, 1905 | Nicoletiid Fishmoths | 2 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 9 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 851 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 5 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 25 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 30 | Species | Taxom |
| Nycteribiidae Samouelle, 1819 | Bat Flies | 1 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 245 | Species | Taxom |
| Ochodaeidae Mulsant & Rey, 1870 | Sand-loving scarab beetle | 3 | Species | Taxom |
| Odontoceridae Wallengren, 1891 | Mortarjoint Casemaker Caddisflies | 1 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 1 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 5 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 24 | Species | Taxom |
| Oestridae Leach, 1815 | Bot flies | 2 | Species | Taxom |
| Ormyridae Förster, 1856 | Armyrids | 1 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 1 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 16 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 15 | Species | Taxom |
| Pachygronthidae Stål, 1865 | | 2 | Species | Taxom |
| Palingeniidae Albarda, 1888 | Riverbed Burrower Mayflies | 1 | Species | Taxom |
| Pamphagidae Burmeister, 1840 | Toad grasshopper | 84 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 1 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 2 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 64 | Species | Taxom |
| Pediculidae Leach, 1817 | | 1 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 7 | Species | Taxom |
| Perilampidae Latreille, 1809 | Perilampid waps | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 7 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 7 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 1 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 5 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 1 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 41 | Species | Taxom |
| Phoenicococcidae Stickney, 1934 | Palm scales | 1 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 2 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 1 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 107 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 6 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 15 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 2 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 1 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 2 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 2 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 9 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 1 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 82 | Species | Taxom |
| Prionoceridae Lacaordaire, 1857 | | 1 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 32 | Species | Taxom |
| Pseudophyllodromiidae Hebard, 1929 | | 2 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 12 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 57 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 11 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 35 | Species | Taxom |
| Pterolonchidae Meyrick, 1918 | Lance Wing Moths | 1 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 6 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 137 | Species | Taxom |
| Pthiridae Leach, 1817 | | 2 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 41 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 4 | Species | Taxom |
| Ptychopteridae Osten Sacken, 1862 | Phantom crane flies | 1 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 13 | Species | Taxom |
| Putoidae Beardsley, 1969 | Giant mealybugs | 3 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 432 | Species | Taxom |
| Pyrgomorphidae Brunner von ..., 1874 | Bushlocusts | 5 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 1 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 2 | Species | Taxom |
| Raphidiidae Latreille, 1810 | Raphidiid snakeflies | 3 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 3 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 3 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 1 | Species | Taxom |
| Rhinophoridae Robineau-Des..., 1863 | Woodlouse flies | 4 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 5 | Species | Taxom |
| Rhipiceridae Latreille, 1834 | Cedar beetles | 1 | Species | Taxom |
| Rhipiphoridae Gemminger & ..., 1870 | Hump back beetles | 1 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 12 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 48 | Species | Taxom |
| Ricaniidae Amyot & Audi..., 1843 | | 4 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 6 | Species | Taxom |
| Rutelidae (MacLeay, 1819) | | 4 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 1 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 37 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 13 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 537 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 2 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 16 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 5 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 20 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 6 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 1 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 19 | Species | Taxom |
| Scythrididae Rebel, 1901 | Flower Moths | 2 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 1 | Species | Taxom |
| Sericostomatidae Stephens, 1836 | Bushtailed Caddisflies | 2 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 44 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 31 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 7 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 1 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 2 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 4 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 52 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 1104 | Species | Taxom |
| Stenopsocidae Pearman, 1936 | Narrow Barklice | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 27 | Species | Taxom |
| Streblidae (Kolenati, 1863) | Bat flies | 3 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 151 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 82 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 37 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 36 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 71 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 56 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 23 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 11 | Species | Taxom |
| Tettigometridae Germar, 1821 | | 19 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 76 | Species | Taxom |
| Thanerocleridae Chapin, 1921 | | 1 | Species | Taxom |
| Thaumaleidae Bezzi, 1913 | Solitary midges | 4 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 10 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 100 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 76 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 23 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 101 | Species | Taxom |
| Tischeriidae Spuler, 1898 | Lyonetiid moths | 2 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 252 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 2 | Species | Taxom |
| Toxoderidae Giglio-Tos, 1919 | | 1 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 2 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 1 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 18 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 6 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 1 | Species | Taxom |
| Tropiduchidae Stål, 1866 | Tropiduchid Planthoppers | 5 | Species | Taxom |
| Ulidiidae Macquart, 1835 | Picture-winged Flies | 2 | Species | Taxom |
| Ulopidae (Le Peletier ..., 1825) | | 1 | Species | Taxom |
| Uraniidae Blanchard, 1845 | Swallowtail Moths | 1 | Species | Taxom |
| Vermipsyllidae Wagner, 1889 | Carnivore fleas | 3 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 48 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 1 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 1 | Species | Taxom |
| Xyloryctidae Meyrick, 1890 | Flower Moths | 12 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 5 | Species | Taxom |
| Ypsolophidae Guenée, 1845 | Ypsolophid Moths | 4 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 3 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 38 | Species | Taxom |
