| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 1 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 2 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 106 | Species | Taxom |
| Adelgidae Heinze, 1962 | Adelgids | 1 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 0 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 10 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 2 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 13 | Species | Taxom |
| Agaonidae Walker, 1848 | Fig wasp | 1 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 18 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 3 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 4 | Species | Taxom |
| Amorphoscelidae Stål, 1877 | | 1 | Species | Taxom |
| Ampulicidae Shuckard, 1840 | Ampulicid wasps | 1 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 36 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 1 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 2 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 16 | Species | Taxom |
| Anthomyzidae Czerny, 1903 | Anthomyzid flies | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 5 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 25 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 8 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 32 | Species | Taxom |
| Aphodiidae Leach, 1815 | | 2 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 2 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 85 | Species | Taxom |
| Arctiidae Leach, 1815 | Footman moths | 1 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 9 | Species | Taxom |
| Artematopodidae Lacordaire, 1857 | Soft bodied plant beetle | 1 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 3 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 30 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 24 | Species | Taxom |
| Aulacigastridae Wollaston, 1864 | Aulacigastrid flies | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 10 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 2 | Species | Taxom |
| Beraeidae Wallengren, 1891 | Small eastern caddisflies | 4 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 10 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 1 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 3 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 5 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 1 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 5 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 9 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 11 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 28 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 68 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 3 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 3 | Species | Taxom |
| Callaphididae (Borner, 1952) | | 2 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 7 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 5 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 22 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 10 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 926 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 1 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 1 | Species | Taxom |
| Carsidaridae Crawford, 1911 | | 0 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Forest Midges | 17 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 6 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 188 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 7 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 41 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 6 | Species | Taxom |
| Cerococcidae Balachowsky, 1942 | Cerococcids | 1 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 4 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 4 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 74 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 2 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 7 | Species | Taxom |
| Chorotypidae Stål, 1873 | | 0 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 9 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 75 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 2 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 266 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 43 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 1 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 1 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 9 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 4 | Species | Taxom |
| Clusiidae Schönherr, 1840 | Clusiid flies | 1 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 21 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 24 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 36 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 6 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 12 | Species | Taxom |
| Coniopterygidae Burmeister, 1839 | Dusty lacewings | 1 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 2 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 6 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 9 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 6 | Species | Taxom |
| Corioxenidae Kinzelbach, 1970 | | 2 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 12 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 1 | Species | Taxom |
| Corydiidae de Saussure, 1864 | Sand cockroaches | 1 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 2 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 4 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 16 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 24 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 55 | Species | Taxom |
| Cryptocercidae Handlirsch, 1925 | Brown-hooded cockroaches | 0 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 1 | Species | Taxom |
| Ctenophthalmidae Rothschild, 1915 | | 18 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 1 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 13 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 342 | Species | Taxom |
| Curtonotidae Duda, 1934 | Curtonotid flies | 1 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 1 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 3 | Species | Taxom |
| Dascillidae Guérin-Ménev..., 1843 | Orchid beetles | 1 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 16 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 3 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 8 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 3 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 1 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 2 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 26 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 2 | Species | Taxom |
| Diopsidae Billberg, 1820 | Stalk-eyed flies | 1 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 1 | Species | Taxom |
| Dipseudopsidae Ulmer, 1904 | | 1 | Species | Taxom |
| Dixidae Schiner, 1868 | Dixid Midges | 2 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 39 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 7 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 3 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 19 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 28 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 2 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 16 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 227 | Species | Taxom |
| Elenchidae Perkins, 1905 | | 1 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 37 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 13 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 27 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 8 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 2 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 3 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 11 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 213 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 6 | Species | Taxom |
| Eriocraniidae Rebel, 1901 | Eriocraniid moths | 2 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 3 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 2 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 13 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 4 | Species | Taxom |
| Euphaeidae Jacobson & B..., 1905 | Gossamerwings | 1 | Species | Taxom |
| Eurybrachidae Stål, 1862 | | 1 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 8 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 7 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 1 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 5 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 0 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 3 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 2 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 283 | Species | Taxom |
| Fulgoridae Latreille, 1807 | Fulgorid Planthopper | 1 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 16 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 4 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 278 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 14 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 3 | Species | Taxom |
| Glaphyridae MacLeay, 1819 | Bumble bee scarab beetle | 6 | Species | Taxom |
| Glossosomatidae Wallengren, 1891 | Little Black Caddisflies | 7 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 19 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 23 | Species | Taxom |
| Gryllacrididae Blanchard, 1845 | Camel Crickets | 1 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 12 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 2 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 6 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 31 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 6 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 2 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 4 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 2 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 8 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Skipper | 102 | Species | Taxom |
| Hesperinidae Hendel, 1928 | | 1 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 1 | Species | Taxom |
| Heterogastridae Stål, 1872 | | 2 | Species | Taxom |
| Hippoboscidae Samouelle, 1819 | Keds | 3 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 133 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 4 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 2 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 8 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 52 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 7 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 0 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 121 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 10 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 30 | Species | Taxom |
| Hystrichopsyllidae Tiraboschi, 1904 | Insectivore fleas | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 39 | Species | Taxom |
| Ischnopsyllidae Wahlgren, 1907 | Bat fleas | 2 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 12 | Species | Taxom |
| Ithonidae Newman, 1838 | Ithonid lacewings | 1 | Species | Taxom |
| Kermesidae Signoret, 1875 | Gall-like Scale Insects | 1 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 1 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 1 | Species | Taxom |
| Kuwaniidae MacGillvray, 1921 | | 1 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 1 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 2 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 11 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 16 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 4 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 4 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 2 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 175 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 4 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 17 | Species | Taxom |
| Leptohyphidae Landa & Soldán, 1985 | Little Stout Crawler Mayflies | 0 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 1 | Species | Taxom |
| Leptopsyllidae Rothschild &..., 1915 | Bird fleas | 4 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 11 | Species | Taxom |
| Leucospidae Fabricius, 1775 | Leucospid wasps | 1 | Species | Taxom |
| Leuctridae Klapálek, 1905 | Needle Or Willow Stoneflies | 2 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 53 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 6 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 11 | Species | Taxom |
| Limnichidae Erichson, 1846 | Minute marsh loving beetle | 1 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 24 | Species | Taxom |
| Liopteridae Ashmead, 1895 | Liopterid wasps | 0 | Species | Taxom |
| Liturgusidae Giglio-Tos, 1919 | | 1 | Species | Taxom |
| Liviidae Low, 1879 | | 13 | Species | Taxom |
| Lonchaeidae Loew, 1861 | Lance Flies | 4 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 14 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 99 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 1 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 13 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 1 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 3 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 3 | Species | Taxom |
| Marchalinidae Morrison, 1927 | | 1 | Species | Taxom |
| Margarodidae Newstead, 1901 | Cottony cushion scales | 3 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 30 | Species | Taxom |
| Megalodontesidae Konow, 1897 | | 3 | Species | Taxom |
| Megalopygidae Herrich-Schä..., 1855 | Crinkled Flannel Moths | 1 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 1 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 7 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 1 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 44 | Species | Taxom |
| Melolonthidae (Leach, 1817) | Chafers | 1 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 3 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 7 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 1 | Species | Taxom |
| Mesopsocidae Enderlein, 1903 | Middle Barklice | 2 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 1 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 2 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 30 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 5 | Species | Taxom |
| Monophlebidae Signoret, 1875 | Giant scale | 1 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 5 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 88 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 21 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 5 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 1 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 60 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 1 | Species | Taxom |
| Myerslopiidae Evans, 1957 | | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 2 | Species | Taxom |
| Mymarommatidae Debauche, 1948 | False fairy wasp | 2 | Species | Taxom |
| Myopsocidae Enderlein, 1907 | Mouse like barklouse | 0 | Species | Taxom |
| Myrmecophilidae Saussure, 1874 | Ant cricket | 0 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 3 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 1 | Species | Taxom |
| Naucoridae Leach, 1815 | Creeping water bug | 0 | Species | Taxom |
| Nemestrinidae Macquart, 1834 | Tangle-veined flies | 1 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 4 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 6 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 4 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 6 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 263 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 1 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 11 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 5 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 40 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 4 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 130 | Species | Taxom |
| Ochodaeidae Mulsant & Rey, 1870 | Sand-loving scarab beetle | 3 | Species | Taxom |
| Odiniidae Hendel, 1920 | Odiniid flies | 1 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 9 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 4 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 1 | Species | Taxom |
| Oestridae Leach, 1815 | Bot flies | 2 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 1 | Species | Taxom |
| Ormyridae Förster, 1856 | Armyrids | 0 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 2 | Species | Taxom |
| Orthomylacridae see Durden, 1969 | | 0 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 1 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 2 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 4 | Species | Taxom |
| Pamphagidae Burmeister, 1840 | Toad grasshopper | 9 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 1 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 4 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 34 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 1 | Species | Taxom |
| Pediciidae Osten Sacken, 1860 | Hairy-Eyed Crane Flies | 1 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 1 | Species | Taxom |
| Peltoperlidae Claassen, 1931 | Roach stoneflies | 0 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 31 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 1 | Species | Taxom |
| Peripsocidae Roesler, 1944 | Stout Barklice | 3 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 8 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 3 | Species | Taxom |
| Personidae Gray, 1854 | | 1 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 1 | Species | Taxom |
| Phalacridae Leach, 1815 | Shining flower beetles | 4 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 3 | Species | Taxom |
| Phengodidae LeConte, 1861 | Glow-worms | 1 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 5 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 1 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 16 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 8 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 45 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 1 | Species | Taxom |
| Piophilidae Macquart, 1835 | Cheese flies | 1 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 3 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 2 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 3 | Species | Taxom |
| Platystictidae Laidlaw, 1924 | Forest Damselflies | 1 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 7 | Species | Taxom |
| Pleidae Fieber, 1817 | Pigmy backswimmers | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 1 | Species | Taxom |
| Podoscirtidae Saussure, 1878 | | 1 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 7 | Species | Taxom |
| Polymitarcyidae Banks, 1900 | Pale Burrower Mayflies | 1 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 1 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 5 | Species | Taxom |
| Potamanthidae Albarda, 1888 | Hacklegill mayflies | 1 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Promecheilidae Lacordaire, 1859 | | 3 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 3 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 32 | Species | Taxom |
| Pseudophasmatidae Kirby, 1896 | Striped Walkingsticks | 1 | Species | Taxom |
| Pseudophyllodromiidae Hebard, 1929 | | 0 | Species | Taxom |
| Psilidae Macquart, 1835 | Carrot flies | 0 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 2 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 12 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 9 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 49 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 6 | Species | Taxom |
| Pteronarcyidae Enderlein, 1909 | Giant stoneflies | 1 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 21 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 78 | Species | Taxom |
| Ptilodactylidae Laporte, 1836 | Ptilodactylid beetles | 1 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 35 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 1 | Species | Taxom |
| Putoidae Beardsley, 1969 | Giant mealybugs | 2 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 34 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 1 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 1 | Species | Taxom |
| Raphidiidae Latreille, 1810 | Raphidiid snakeflies | 1 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 11 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 3 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 3 | Species | Taxom |
| Rhinophoridae Robineau-Des..., 1863 | Woodlouse flies | 1 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 1 | Species | Taxom |
| Rhipiceridae Latreille, 1834 | Cedar beetles | 3 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 1 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 2 | Species | Taxom |
| Rhyacophilidae Stephens, 1836 | Free-living Caddisflies | 1 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 3 | Species | Taxom |
| Richardiidae (Snow, 1896) | Picture-winged flies | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 6 | Species | Taxom |
| Romaleidae Brunner von ..., 1893 | Lubber grasshopper | 3 | Species | Taxom |
| Ropalomeridae Linder, 1930 | Ropalomerid flies | 0 | Species | Taxom |
| Roproniidae Bradley, 1905 | Roproniid wasps | 1 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 21 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 27 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 299 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 1 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 20 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 3 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 5 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 3 | Species | Taxom |
| Scraptiidae Mulsant, 1856 | Antlike leaf beetles | 1 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 4 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 96 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 3 | Species | Taxom |
| Serendipidae Evenhuis, 1994 | | 0 | Species | Taxom |
| Sericostomatidae Stephens, 1836 | Bushtailed Caddisflies | 4 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 24 | Species | Taxom |
| Sialidae Leach, 1815 | Alderflies | 2 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 32 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 1 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 2 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 4 | Species | Taxom |
| Sphaeritidae Schuckard, 1839 | False clown beetle | 1 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 12 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 11 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 46 | Species | Taxom |
| Spongiphoridae Verhoeff, 1902 | Little Earwigs | 1 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 1518 | Species | Taxom |
| Stenotrachelidae C. G. Thomson, 1859 | False long-horned beetles | 1 | Species | Taxom |
| Stephanidae Leach, 1815 | Crown wasp | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 16 | Species | Taxom |
| Stylopidae Kirby, 1813 | Strepsiptera | 2 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 63 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 26 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 35 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 7 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 75 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 45 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 11 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 1 | Species | Taxom |
| Tetracampidae Förster, 1856 | Tetracampid wasps | 1 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 3 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 13 | Species | Taxom |
| Tettigometridae Germar, 1821 | | 3 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 66 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 2 | Species | Taxom |
| Thericleidae Burr, 1899 | | 1 | Species | Taxom |
| Thespidae Giglio-Tos, 1919 | | 1 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 20 | Species | Taxom |
| Throscidae Laporte, 1840 | False metallic wood-boring beetles | 2 | Species | Taxom |
| Thyreocoridae Amyot and Se..., 1843 | Black bugs | 2 | Species | Taxom |
| Thyrididae Herrich-Schä..., 1846 | Picture Winged Leaf Moths | 2 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 16 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 5 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 2 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 212 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 63 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 5 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 3 | Species | Taxom |
| Trigonalidae (Cresson, 1887) | Trigonalid sawflies | 0 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 13 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 16 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 5 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 1 | 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 |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 3 | Species | Taxom |
| Vermipsyllidae Wagner, 1889 | Carnivore fleas | 3 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 21 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 1 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 5 | Species | Taxom |
| Xylophagidae Fallen, 1810 | Awl-flies | 3 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 4 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 9 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 23 | Species | Taxom |
