| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 18 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 4 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 82 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 6 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 4 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 7 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 1 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 2 | Species | Taxom |
| Alucitidae Leach, 1815 | Many Plumed Moths | 1 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 8 | Species | Taxom |
| Amphipsocidae Mockford, 1978 | Hairy-winged Barklice | 1 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 37 | Species | Taxom |
| Anisolabididae Verhoeff, 1902 | | 0 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 1 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 5 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 54 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 27 | Species | Taxom |
| Apataniidae Wallengren, 1886 | Early Smoky Wing Sedges | 0 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 14 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 6 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 159 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 28 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 72 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 4 | Species | Taxom |
| Arctiidae Leach, 1815 | Footman moths | 1 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 13 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 4 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 24 | Species | Taxom |
| Athericidae Stuckenberg, 1973 | Athericid flies | 0 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 62 | Species | Taxom |
| Aulacidae Shuckard, 1842 | Aulacid wasps | 1 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 5 | Species | Taxom |
| Bacillidae Brunner von ..., 1893 | Bacillid Stick Insects | 1 | Species | Taxom |
| Beesoniidae Ferris, 1950 | Beesoniids | 1 | Species | Taxom |
| Belidae Schönherr, 1826 | Belid Beetle | 1 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 7 | Species | Taxom |
| Berothidae Handlirsch, 1906 | Beaded lacewing | 1 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 2 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 1 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 6 | Species | Taxom |
| Blasticotomidae Thomson, 1871 | Blasticotomid sawflies | 1 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 4 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 5 | Species | Taxom |
| Blattulidae Vishnyokova, 1982 | | 2 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 0 | Species | Taxom |
| Blissidae Stål, 1862 | Chinch Bugs | 3 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 6 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 16 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 13 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 59 | Species | Taxom |
| Brahmaeidae Swinhoe, 1892 | Brahmin Moths | 2 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 3 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 49 | Species | Taxom |
| Byturidae Jacquelin du..., 1858 | Fruit worms | 1 | Species | Taxom |
| Callidulidae Moore, 1877 | Old World Butterfly Moths | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 18 | Species | Taxom |
| Calophyidae Vondracek, 1957 | | 5 | Species | Taxom |
| Canaceidae (Jones, 1906) | Beach flies | 2 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 17 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 0 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 482 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 6 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 9 | Species | Taxom |
| Carsidaridae Crawford, 1911 | | 1 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 6 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 0 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 455 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 1 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 11 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 5 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 5 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 34 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 6 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 6 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 2 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 13 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 181 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 8 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 424 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 29 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 1 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 8 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 3 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 5 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 3 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 26 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 50 | Species | Taxom |
| Coelopidae Hendel, 1910 | Kelp Flies | 1 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 28 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 6 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 8 | Species | Taxom |
| Coptoclavidae Ponomarenko, 1961 | Extinct family | 0 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 18 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 9 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 6 | Species | Taxom |
| Corydiidae de Saussure, 1864 | Sand cockroaches | 1 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 9 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 4 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 51 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 198 | Species | Taxom |
| Cryptocercidae Handlirsch, 1925 | Brown-hooded cockroaches | 2 | Species | Taxom |
| Cryptococcidae | | 1 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 1 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 6 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 18 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 10 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 294 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 8 | Species | Taxom |
| Cymidae Baerensprung, 1860 | | 1 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 0 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 36 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 22 | Species | Taxom |
| Dericorythidae Jacobson & B..., 1902 | | 1 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 11 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 0 | Species | Taxom |
| Deuterophlebiidae Edwards, 1922 | Mountain midges | 1 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 2 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 11 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 50 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 9 | Species | Taxom |
| Dinidoridae Stål, 1867 | Dinidorid bug | 1 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 2 | Species | Taxom |
| Dixidae Schiner, 1868 | Dixid Midges | 2 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 8 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 39 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 34 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 29 | Species | Taxom |
| Ecnomidae Ulmer, 1903 | | 1 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 1 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 1 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 22 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 61 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 2 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 6 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 12 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 3 | Species | Taxom |
| Eneopteridae (Saussure, 1893) | Bush cricket | 1 | Species | Taxom |
| Enicocephalidae Stål, 1860 | Gnat bug | 1 | Species | Taxom |
| Epermeniidae Spuler, 1910 | Epermeniid moths | 2 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 2 | Species | Taxom |
| Epicopeiidae Swinhoe, 1892 | Oriental Swallowtail Moths | 3 | Species | Taxom |
| Epipyropidae Dyar, 1903 | Planthopper Parasite Moths | 1 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 370 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 8 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 7 | Species | Taxom |
| Eucharitidae Latreille, 1809 | Eucharitid wasp | 2 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 86 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 9 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 2 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 6 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 1 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 3 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 3 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 8 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 193 | Species | Taxom |
| Fulgoridae Latreille, 1807 | Fulgorid Planthopper | 4 | Species | Taxom |
| Galacticidae Minet, 1986 | Galacticid Moths | 2 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 84 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 5 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 509 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 16 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 10 | Species | Taxom |
| Glossosomatidae Wallengren, 1891 | Little Black Caddisflies | 1 | Species | Taxom |
| Glyphipterigidae Stainton, 1854 | Glyphipterigid moths | 1 | Species | Taxom |
| Goeridae Ulmer, 1903 | | 1 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 61 | Species | Taxom |
| Gryllacrididae Blanchard, 1845 | Camel Crickets | 7 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 23 | Species | Taxom |
| Grylloblattidae E. M. Walker, 1914 | Grylloblattids | 7 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 3 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 4 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 46 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 6 | Species | Taxom |
| Hebridae Amyot and Se..., 1843 | Velvet water bug | 1 | Species | Taxom |
| Heliozelidae Heinemann & ..., 1876 | Leaf miners | 1 | Species | Taxom |
| Helophoridae (Leach, 1815) | Water scavenger beetles | 1 | Species | Taxom |
| Helotidae Reitter, 1876 | | 2 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 2 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 2 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 70 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 3 | Species | Taxom |
| Heterogastridae Stål, 1872 | | 1 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 27 | Species | Taxom |
| Homotomidae Heslop-Harrison, 1958 | | 1 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 3 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 2 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 1 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 3 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 22 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 6 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 8 | Species | Taxom |
| Hymenopodidae Giglio-Tos, 1919 | Flower mimic mantises | 1 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 2 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 277 | Species | Taxom |
| Incurvariidae Spuler, 1898 | Fairy moths | 1 | Species | Taxom |
| Inocelliidae Navas, 1913 | Inocelliid snakeflies | 1 | Species | Taxom |
| Ipsviciidae Tillyard, 1919 | | 1 | Species | Taxom |
| Ischnopsyllidae Wahlgren, 1907 | Bat fleas | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 4 | Species | Taxom |
| Kalotermitidae Froggatt, 1897 | Dampwood termites | 1 | Species | Taxom |
| Kermesidae Signoret, 1875 | Gall-like Scale Insects | 4 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 1 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 2 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 0 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 11 | Species | Taxom |
| Largidae Amyot and Se..., 1843 | Bordered plant bugs | 3 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 18 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 1 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 5 | Species | Taxom |
| Lecanodiaspididae Borchsenius, 1965 | False pit scales | 2 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 9 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 8 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 0 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 5 | Species | Taxom |
| Leptopsyllidae Rothschild &..., 1915 | Bird fleas | 1 | Species | Taxom |
| Leucospidae Fabricius, 1775 | Leucospid wasps | 1 | Species | Taxom |
| Leuctridae Klapálek, 1905 | Needle Or Willow Stoneflies | 16 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 22 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 9 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 9 | Species | Taxom |
| Liviidae Low, 1879 | | 4 | Species | Taxom |
| Lonchaeidae Loew, 1861 | Lance Flies | 2 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 25 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 105 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 4 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 17 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 4 | Species | Taxom |
| Machaerotidae Stål, 1866 | Tube spittlebugs | 2 | Species | Taxom |
| Malcidae Stål, 1865 | | 1 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 8 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 5 | Species | Taxom |
| Matsucoccidae Morrison, 1927 | Pine bark scales | 5 | Species | Taxom |
| Meenoplidae Fieber, 1872 | | 2 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 24 | Species | Taxom |
| Megalodontesidae Konow, 1897 | | 2 | Species | Taxom |
| Megalopodidae Latreille, 1802 | Megalopodid Leaf Beetles | 4 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 1 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 18 | Species | Taxom |
| Melolonthidae (Leach, 1817) | Chafers | 3 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 4 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 8 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 2 | Species | Taxom |
| Mesoblattinidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Mesochrysopidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Mesoraphidiidae Martynov, 1925 | | 2 | Species | Taxom |
| Micronectidae Jaczewski, 1924 | Pygmy water boatmen | 1 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 0 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 173 | Species | Taxom |
| Mirinidae (Kozlov, 1985) | | 1 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 1 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 1 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 8 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 25 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 4 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 5 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 1 | Species | Taxom |
| Myerslopiidae Evans, 1957 | | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 3 | Species | Taxom |
| Mymarommatidae Debauche, 1948 | False fairy wasp | 3 | Species | Taxom |
| Myrmecophilidae Saussure, 1874 | Ant cricket | 2 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 16 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 2 | Species | Taxom |
| Naucoridae Leach, 1815 | Creeping water bug | 0 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 20 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 4 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 10 | Species | Taxom |
| Neriidae Hendel, 1916 | Banana stalk flies | 1 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 14 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 522 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 1 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 33 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 1 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 119 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 4 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 249 | Species | Taxom |
| Ochodaeidae Mulsant & Rey, 1870 | Sand-loving scarab beetle | 4 | Species | Taxom |
| Odontoceridae Wallengren, 1891 | Mortarjoint Casemaker Caddisflies | 2 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 3 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 33 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 11 | Species | Taxom |
| Ormyridae Förster, 1856 | Armyrids | 1 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 6 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 1 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 1 | Species | Taxom |
| Pachygronthidae Stål, 1865 | | 1 | Species | Taxom |
| Pamphagidae Burmeister, 1840 | Toad grasshopper | 1 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 14 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 5 | Species | Taxom |
| Panorpodidae Byers, 1965 | Short-faced scorpionflies | 2 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 35 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 1 | Species | Taxom |
| Pediciidae Osten Sacken, 1860 | Hairy-Eyed Crane Flies | 1 | Species | Taxom |
| Pediculidae Leach, 1817 | | 1 | Species | Taxom |
| Peltoperlidae Claassen, 1931 | Roach stoneflies | 2 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 45 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 12 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 8 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 1 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 6 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 0 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 1 | Species | Taxom |
| Philotarsidae Pearman, 1936 | Loving Barklice | 1 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 22 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 1 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 2 | Species | Taxom |
| Phryganopsychidae Wiggins, 1959 | | 1 | Species | Taxom |
| Phylloxeridae Herrich-Scha..., 1854 | Phylloxeran Aphids | 2 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 38 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 2 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 19 | Species | Taxom |
| Plataspidae (Dallas, 1851) | | 1 | Species | Taxom |
| Plataspididae (Dallas, 1851) | | 3 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 1 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 9 | Species | Taxom |
| Pleidae Fieber, 1817 | Pigmy backswimmers | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 4 | Species | Taxom |
| Podoscirtidae Saussure, 1878 | | 2 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 0 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 3 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 21 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Prostomidae C. G. Thomson, 1859 | Jugular-horned beetle | 2 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 5 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 30 | Species | Taxom |
| Pseudophasmatidae Kirby, 1896 | Striped Walkingsticks | 1 | Species | Taxom |
| Pseudophyllodromiidae Hebard, 1929 | | 2 | Species | Taxom |
| Psocidae Samouelle, 1819 | Common bark louse | 3 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 4 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 3 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 1 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 61 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 26 | Species | Taxom |
| Pteronarcyidae Enderlein, 1909 | Giant stoneflies | 2 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 36 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 4 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 2 | Species | Taxom |
| Pygidicranidae (Verhoeff, 1902) | | 1 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 121 | Species | Taxom |
| Pyrgomorphidae Brunner von ..., 1874 | Bushlocusts | 2 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 0 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 2 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 2 | Species | Taxom |
| Raphidiomimidae Vishniakova, 1973 | | 2 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 24 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 11 | Species | Taxom |
| Rhinophoridae Robineau-Des..., 1863 | Woodlouse flies | 0 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 1 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 13 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 1 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 25 | Species | Taxom |
| Ricaniidae Amyot & Audi..., 1843 | | 10 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 10 | Species | Taxom |
| Ripiphoridae Gemminger & ..., 1870 | Rhipiphoridae | 1 | Species | Taxom |
| Ropalomeridae Linder, 1930 | Ropalomerid flies | 0 | Species | Taxom |
| Rutelidae (MacLeay, 1819) | | 1 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 10 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 17 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 283 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 8 | Species | Taxom |
| Sciaridae Billberg, 1820 | Black fungus gnats | 0 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 3 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 1 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 8 | Species | Taxom |
| Scopuridae Ueno, 1935 | | 8 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 3 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 2 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 1 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 10 | Species | Taxom |
| Signiphoridae Howard, 1894 | Signiphorid waps | 1 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 29 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 3 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 1 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 5 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 21 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 62 | Species | Taxom |
| Spongiphoridae Verhoeff, 1902 | Little Earwigs | 1 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 133 | Species | Taxom |
| Stenopsychidae Martynov, 1924 | | 2 | Species | Taxom |
| Stenotrachelidae C. G. Thomson, 1859 | False long-horned beetles | 3 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 11 | Species | Taxom |
| Stylopidae Kirby, 1813 | Strepsiptera | 4 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 107 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 22 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 30 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 0 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 33 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 78 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 54 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 2 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 14 | Species | Taxom |
| Tettigometridae Germar, 1821 | | 4 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 60 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 3 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 31 | Species | Taxom |
| Thyatiridae (Blake, 1936) | False Owlet Moths | 0 | Species | Taxom |
| Thyrididae Herrich-Schä..., 1846 | Picture Winged Leaf Moths | 11 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 19 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 25 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 21 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 173 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 314 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 6 | Species | Taxom |
| Trichoceridae Rondani, 1841 | Winter Crane Flies | 5 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 3 | Species | Taxom |
| Tridactylidae Saussure, 1874 | Pygmy mole cricket | 1 | Species | Taxom |
| Trigonalidae (Cresson, 1887) | Trigonalid sawflies | 1 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 18 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 17 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 13 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 2 | Species | Taxom |
| Tropiduchidae Stål, 1866 | Tropiduchid Planthoppers | 6 | Species | Taxom |
| Uraniidae Blanchard, 1845 | Swallowtail Moths | 14 | Species | Taxom |
| Urodidae Kyrki, 1984 | False Burnet Moths | 0 | Species | Taxom |
| Urostylidae (Dallas, 1851) | | 7 | Species | Taxom |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 2 | Species | Taxom |
| Vermileonidae Williston, 1886 | Wormlion | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 56 | Species | Taxom |
| Xiphiopsyllidae Wagner, 1939 | | 1 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 3 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 5 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 4 | Species | Taxom |
| Xylophagidae Fallen, 1810 | Awl-flies | 2 | Species | Taxom |
| Xyloryctidae Meyrick, 1890 | Flower Moths | 4 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 20 | Species | Taxom |
| Ypsolophidae Guenée, 1845 | Ypsolophid Moths | 3 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 2 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 20 | Species | Taxom |
