| Acanthopidae Burmeister, 1838 | | 4 | Species | Taxom |
| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 10 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 8 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 100 | Species | Taxom |
| Acroceridae Leach, 1815 | Hunch-back flies | 31 | Species | Taxom |
| Adelgidae Heinze, 1962 | Adelgids | 1 | Species | Taxom |
| Ademosynidae Ponomarenko, 1968 | | 0 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 2 | Species | Taxom |
| Aenictopecheidae Usinger, 1932 | | 0 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 2 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 13 | Species | Taxom |
| Aetalionidae Spinola, 1850 | Treehopper | 4 | Species | Taxom |
| Agathemeridae Bradler, 2003 | | 7 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 88 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 15 | Species | Taxom |
| Alucitidae Leach, 1815 | Many Plumed Moths | 3 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 1 | Species | Taxom |
| Ameletopsidae Edmunds, 1957 | | 0 | Species | Taxom |
| Amphipsocidae Mockford, 1978 | Hairy-winged Barklice | 1 | Species | Taxom |
| Andesianidae Davis & Gentili, 2003 | Andean endemic moths | 3 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 79 | Species | Taxom |
| Anisolabididae Verhoeff, 1902 | | 1 | Species | Taxom |
| Anisopodidae Knab, 1912 | Window Midges | 6 | Species | Taxom |
| Anomalopsychidae Flint, 1981 | | 1 | Species | Taxom |
| Anostostomatidae Saussure, 1859 | Wetas & King Crickets | 5 | Species | Taxom |
| Anthelidae Turner, 1904 | Australian Lappet Moths | 1 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 5 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 18 | Species | Taxom |
| Anthomyzidae Czerny, 1903 | Anthomyzid flies | 4 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 21 | Species | Taxom |
| Apataniidae Wallengren, 1886 | Early Smoky Wing Sedges | 5 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 10 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 18 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 61 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 5 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 152 | Species | Taxom |
| Apioceridae Bigot, 1852 | Flower-loving flies | 4 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 5 | Species | Taxom |
| Archeocrypticidae Kaszab, 1964 | Ancient Fungus Beetles | 4 | Species | Taxom |
| Arctiidae Leach, 1815 | Footman moths | 2 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 2 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 0 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 208 | Species | Taxom |
| Asteiidae Rondani, 1856 | Asteiid Flies | 1 | Species | Taxom |
| Atelestidae Hennig, 1970 | | 2 | Species | Taxom |
| Athericidae Stuckenberg, 1973 | Athericid flies | 2 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 12 | Species | Taxom |
| Aulacigastridae Wollaston, 1864 | Aulacigastrid flies | 2 | Species | Taxom |
| Austroleptidae Nagatomi, 1982 | | 5 | Species | Taxom |
| Austroperlidae Tillyard, 1921 | | 6 | Species | Taxom |
| Austropetaliidae Carle & Louton, 1994 | Redspot Dragonflies | 11 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 3 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 4 | Species | Taxom |
| Batrachedridae Heinemann & ..., 1876 | Batrachedrid Moths | 1 | Species | Taxom |
| Belidae Schönherr, 1826 | Belid Beetle | 20 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 7 | Species | Taxom |
| Beraeidae Wallengren, 1891 | Small eastern caddisflies | 0 | Species | Taxom |
| Berothidae Handlirsch, 1906 | Beaded lacewing | 3 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 7 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 3 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 33 | Species | Taxom |
| Biphyllidae LeConte, 1861 | Biphyllid beetles | 0 | Species | Taxom |
| Bittacidae Handlirsch, 1906 | Hanging scorpionflies | 2 | Species | Taxom |
| Biturritiidae (Metcalf, 1929) | | 9 | Species | Taxom |
| Blaberidae Saussure, 1864 | Blaberids | 7 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 9 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 8 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 9 | Species | Taxom |
| Blissidae Stål, 1862 | Chinch Bugs | 3 | Species | Taxom |
| Boganiidae Sen Gupta an..., 1966 | | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 221 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 13 | Species | Taxom |
| Brachodidae Agenjo, 1966 | Little Bear Moths | 2 | Species | Taxom |
| Brachyceridae (Billberg, 1820) | Brachycerids | 1 | Species | Taxom |
| Brachypteridae (Erichson, 1845) | Short-winged Flower Beetles | 2 | Species | Taxom |
| Brachystomatidae Melander, 1908 | | 5 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 42 | Species | Taxom |
| Bradynobaenidae Saussure, 1892 | Bradynobaenid wasps | 1 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 2 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 80 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 7 | Species | Taxom |
| Calamoceratidae Ulmer, 1905 | | 3 | Species | Taxom |
| Caliscelidae Amyot & Serv..., 1843 | Piglet Bugs | 2 | Species | Taxom |
| Callidulidae Moore, 1877 | Old World Butterfly Moths | 2 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 44 | Species | Taxom |
| Calophyidae Vondracek, 1957 | | 9 | Species | Taxom |
| Canaceidae (Jones, 1906) | Beach flies | 1 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 12 | Species | Taxom |
| Canthyloscelidae Enderlein, 1912 | | 3 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 23 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 482 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 1 | Species | Taxom |
| Caridae Thompson, 1992 | | 2 | Species | Taxom |
| Carnidae Newman, 1834 | Bird flies | 1 | Species | Taxom |
| Castniidae Boisduval, 1828 | Castniid moths | 1 | Species | Taxom |
| Cavognathidae Sen Gupta an..., 1966 | | 1 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 33 | Species | Taxom |
| Cecidosidae Brèthes, 1916 | Gall Moths | 1 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 264 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 8 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 50 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 29 | Species | Taxom |
| Cerococcidae Balachowsky, 1942 | Cerococcids | 1 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 2 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 0 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 21 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 174 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 32 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 4 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 4 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 62 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 5 | Species | Taxom |
| Chyromyidae Hendel, 1916 | Chiromyid flies | 0 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 226 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 39 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 8 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 2 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 24 | Species | Taxom |
| Clambidae Fischer, 1821 | Fringe-winged beetles | 3 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 10 | Species | Taxom |
| Clusiidae Schönherr, 1840 | Clusiid flies | 19 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 16 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 36 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 15 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 16 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 159 | Species | Taxom |
| Conchaspididae Green, 1896 | False armored scales | 1 | Species | Taxom |
| Coniopterygidae Burmeister, 1839 | Dusty lacewings | 3 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 10 | Species | Taxom |
| Copromorphidae Meyrick, 1905 | Fig Borers | 1 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 3 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 9 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 6 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 7 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 10 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 35 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 49 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 131 | Species | Taxom |
| Cryptochetidae Brues & Mela..., 1932 | Cryptochetid Flies | 1 | Species | Taxom |
| Cryptococcidae | | 1 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 11 | Species | Taxom |
| Ctenophthalmidae Rothschild, 1915 | | 4 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 2 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 27 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 2 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 578 | Species | Taxom |
| Cylindrotomidae (Mulsant, 1842) | Cylindrotomid Crane Flies | 1 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 5 | Species | Taxom |
| Dactylopiidae Signoret, 1875 | Cochineal insects | 1 | Species | Taxom |
| Dasydemellidae | Shaggy Psocids | 1 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 23 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 6 | Species | Taxom |
| Dericorythidae Jacobson & B..., 1902 | | 1 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 21 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 4 | Species | Taxom |
| Diadocidiidae Winnertz, 1863 | | 3 | Species | Taxom |
| Diamphipnoidae Ricker, 1950 | | 9 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 9 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 3 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 44 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 6 | Species | Taxom |
| Ditomyiidae Keilin, 1919 | | 11 | Species | Taxom |
| Dixidae Schiner, 1868 | Dixid Midges | 4 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 129 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 17 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 25 | Species | Taxom |
| Dryinidae Haliday, 1840 | Dryinid wasps | 4 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 8 | Species | Taxom |
| Dysmorphoptilidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 24 | Species | Taxom |
| Ecnomidae Ulmer, 1903 | | 12 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 4 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 22 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 159 | Species | Taxom |
| Electrentomidae Enderlein, 1911 | | 3 | Species | Taxom |
| Elenchidae Perkins, 1905 | | 2 | Species | Taxom |
| Elipsocidae Pearman, 1936 | Damp Barklice | 20 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 11 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 238 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 22 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 5 | Species | Taxom |
| Eomeropidae Cockerell, 1909 | | 1 | Species | Taxom |
| Epermeniidae Spuler, 1910 | Epermeniid moths | 0 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 99 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 75 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 14 | Species | Taxom |
| Eriocottidae Spuler, 1898 | Old World Spiny Winged Moths | 2 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 4 | Species | Taxom |
| Eucharitidae Latreille, 1809 | Eucharitid wasp | 2 | Species | Taxom |
| Eucinetidae Lacordaire, 1857 | Plate-thigh beetle | 2 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 5 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 24 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 3 | Species | Taxom |
| Eupterotidae Swinhoe, 1892 | Giant Lappet Moths | 1 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 1 | Species | Taxom |
| Eustheniidae Tillyard, 1921 | | 2 | Species | Taxom |
| Evocoidae Yeates, Irwi..., 2006 | | 1 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 14 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 4 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 5 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 2 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 158 | Species | Taxom |
| Fulgoridae Latreille, 1807 | Fulgorid Planthopper | 1 | Species | Taxom |
| Gelastocoridae Kirkaldy, 1897 | Toad bug | 2 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 36 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 4 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 288 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 13 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 3 | Species | Taxom |
| Glaphyridae MacLeay, 1819 | Bumble bee scarab beetle | 2 | Species | Taxom |
| Glaresidae Kolbe, 1905 | Enigmatic scarab beetle | 2 | Species | Taxom |
| Glossosomatidae Wallengren, 1891 | Little Black Caddisflies | 1 | Species | Taxom |
| Glyphipterigidae Stainton, 1854 | Glyphipterigid moths | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 7 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 22 | Species | Taxom |
| Gripopterygidae Enderlein, 1909 | | 49 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 3 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 4 | Species | Taxom |
| Gyropidae Kellogg, 1896 | | 8 | Species | Taxom |
| Haglidae Handlirsch, 1906 | Hump-winged cricket | 2 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 62 | Species | Taxom |
| Halictophagidae Perkins, 1905 | | 1 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 1 | Species | Taxom |
| Helcomyzidae Malloch, 1933 | Helcomyzid flies | 3 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 54 | Species | Taxom |
| Helicophidae Mosely, 1953 | | 8 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 2 | Species | Taxom |
| Heliozelidae Heinemann & ..., 1876 | Leaf miners | 1 | Species | Taxom |
| Helosciomyzidae Griffiths, 1972 | | 1 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 15 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 27 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 1 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 93 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 8 | Species | Taxom |
| Heteromyzidae Fallen, 1820 | Heleomyzid flies | 9 | Species | Taxom |
| Heteronemiidae Rehn, J. A. G., 1904 | | 9 | Species | Taxom |
| Heterothripidae Bagnall, 1912 | | 2 | Species | Taxom |
| Hippoboscidae Samouelle, 1819 | Keds | 16 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 42 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 2 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 8 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 37 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 23 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 48 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 0 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 31 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 38 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 14 | Species | Taxom |
| Hystrichopsyllidae Tiraboschi, 1904 | Insectivore fleas | 5 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 88 | Species | Taxom |
| Incurvariidae Spuler, 1898 | Fairy moths | 2 | Species | Taxom |
| Ischnopsyllidae Wahlgren, 1907 | Bat fleas | 5 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 6 | Species | Taxom |
| Ithonidae Newman, 1838 | Ithonid lacewings | 1 | Species | Taxom |
| Kalotermitidae Froggatt, 1897 | Dampwood termites | 6 | Species | Taxom |
| Kateretidae Kirkby, 1837 | Pollen Beetles | 1 | Species | Taxom |
| Keroplatidae Rondani, 1856 | Fungus gnats | 34 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 3 | Species | Taxom |
| Kokiriidae McFarlane, 1964 | | 4 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 6 | Species | Taxom |
| Lacturidae Heppner, 1995 | Australian burnet moths | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 15 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 21 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 23 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 27 | Species | Taxom |
| Lecanodiaspididae Borchsenius, 1965 | False pit scales | 1 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 2 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 85 | Species | Taxom |
| Lemoniidae Hampson, 1918 | Autumn Silkworm Moths | 1 | Species | Taxom |
| Lepidopsocidae Lienhard & S..., 2002 | Scaly-winged bark louse | 4 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 0 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 33 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 6 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 7 | Species | Taxom |
| Leucospidae Fabricius, 1775 | Leucospid wasps | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 15 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 4 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 33 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 93 | Species | Taxom |
| Liposcelididae Enderlein, 1911 | Booklice | 20 | Species | Taxom |
| Liviidae Low, 1879 | | 22 | Species | Taxom |
| Lonchaeidae Loew, 1861 | Lance Flies | 6 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 82 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 137 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 17 | Species | Taxom |
| Lymexylidae Fleming, 1821 | Ship-timber beetle | 1 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 6 | Species | Taxom |
| Malacopsyllidae Baker, 1905 | | 2 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 10 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 3 | Species | Taxom |
| Margarodidae Newstead, 1901 | Cottony cushion scales | 3 | Species | Taxom |
| Mauroniscidae Majer, 1995 | Mauroniscid Beetles | 3 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 92 | Species | Taxom |
| Megalopodidae Latreille, 1802 | Megalopodid Leaf Beetles | 1 | Species | Taxom |
| Megamerinidae Hendel, 1913 | Megamerinid flies | 0 | Species | Taxom |
| Megaspilidae Ashmead, 1893 | Megaspilid wasps | 0 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 22 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 41 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 6 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 22 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 2 | Species | Taxom |
| Mesopsocidae Enderlein, 1903 | Middle Barklice | 1 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 5 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 1 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 7 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 114 | Species | Taxom |
| Mogoplistidae Saussure, 1877 | Scaly cricket | 3 | Species | Taxom |
| Monomachidae Ashmead, 1902 | Monomachid wasps | 2 | Species | Taxom |
| Monophlebidae Signoret, 1875 | Giant scale | 4 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 6 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 28 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 156 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 7 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 4 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 367 | Species | Taxom |
| Mycteridae Blanchard, 1845 | Mycterid beetles | 7 | Species | Taxom |
| Mydidae Bezzi, 1903 | Mydas flies | 25 | Species | Taxom |
| Myerslopiidae Evans, 1957 | | 3 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 9 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 13 | Species | Taxom |
| Mythicomyiidae Melander, 1902 | Micro Bee Flies | 1 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 3 | Species | Taxom |
| Nannochoristidae Tillyard, 1917 | | 3 | Species | Taxom |
| Nemestrinidae Macquart, 1834 | Tangle-veined flies | 42 | Species | Taxom |
| Nemonychidae Bedel, 1882 | Nemonychid weevils | 15 | Species | Taxom |
| Neopetaliidae Tillyard & F..., 1940 | | 1 | Species | Taxom |
| Neopseustidae Hering, 1925 | Archaic Bell Moths | 2 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 3 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 5 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 371 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 3 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 35 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 1 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 216 | Species | Taxom |
| Ochodaeidae Mulsant & Rey, 1870 | Sand-loving scarab beetle | 1 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 1 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 47 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 6 | Species | Taxom |
| Oestridae Leach, 1815 | Bot flies | 5 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 1 | Species | Taxom |
| Ommexechidae Bolivar, 1884 | | 12 | Species | Taxom |
| Oniscigastridae Lameere, 1917 | | 0 | Species | Taxom |
| Opomyzidae (Fallen, 1820) | Opomyzid flies | 2 | Species | Taxom |
| Opostegidae Meyrick, 1893 | Opostegid moths | 1 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 3 | Species | Taxom |
| Orussidae Newman, 1834 | Orussid wasps | 2 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 6 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 12 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 2 | Species | Taxom |
| Oxypeltidae Lacordaire, 1869 | | 4 | Species | Taxom |
| Pachytroctidae Enderlein, 1911 | Thick Barklice | 1 | Species | Taxom |
| Palaephatidae Davis, 1986 | Gondwanaland Moths | 26 | Species | Taxom |
| Pallopteridae Loew, 1862 | Flutter flies | 3 | Species | Taxom |
| Pamphagidae Burmeister, 1840 | Toad grasshopper | 3 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 1 | Species | Taxom |
| Panorpodidae Byers, 1965 | Short-faced scorpionflies | 0 | Species | Taxom |
| Pantophthalmidae Williston, 1906 | Timber flies | 4 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 14 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 5 | Species | Taxom |
| Pelecorhynchidae Philip, 1941 | Pelecorhynchid flies | 7 | Species | Taxom |
| Peloridiidae Breddin, 1897 | Gondwanan moss bugs | 7 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 9 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 11 | Species | Taxom |
| Perilampidae Latreille, 1809 | Perilampid waps | 1 | Species | Taxom |
| Peripsocidae Roesler, 1944 | Stout Barklice | 1 | Species | Taxom |
| Perissommatidae Colless, 1962 | | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 9 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 2 | Species | Taxom |
| Permosynidae Tillyard, 1924 | | 1 | Species | Taxom |
| Personidae Gray, 1854 | | 1 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 1 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 3 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 10 | Species | Taxom |
| Phengodidae LeConte, 1861 | Glow-worms | 16 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 38 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 11 | Species | Taxom |
| Philotarsidae Pearman, 1936 | Loving Barklice | 5 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 2 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 75 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 68 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 2 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 23 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 3 | Species | Taxom |
| Platypezidae Fallen, 1815 | Flat footed flies | 1 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 13 | 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 | 57 | Species | Taxom |
| Priasilphidae Crowson, 1973 | | 1 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 2 | Species | Taxom |
| Proctotrupidae Latreille, 1802 | Proctotrupid wasps | 1 | Species | Taxom |
| Prodoxidae Riley, 1881 | Yucca Moths | 2 | Species | Taxom |
| Promecheilidae Lacordaire, 1859 | | 3 | Species | Taxom |
| Pronemouridae Liu, Sinitsh..., 2011 | | 5 | Species | Taxom |
| Prophalangopsidae Saussure, 1878 | Grigs | 3 | Species | Taxom |
| Proscopiidae Serville, 1838 | Jumping sticks | 9 | Species | Taxom |
| Protocucujidae Crowson, 1954 | | 1 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 2 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 20 | Species | Taxom |
| Pseudophasmatidae Kirby, 1896 | Striped Walkingsticks | 3 | Species | Taxom |
| Pseudophyllodromiidae Hebard, 1929 | | 5 | Species | Taxom |
| Pseudopomyzidae (Mcalpine, 1966) | Banana flies | 1 | Species | Taxom |
| Psilidae Macquart, 1835 | Carrot flies | 3 | Species | Taxom |
| Psocidae Samouelle, 1819 | Common bark louse | 8 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 10 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 32 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 73 | Species | Taxom |
| Psyllipsocidae Enderlein, 1903 | Cave Barklice | 1 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 59 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 69 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 12 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 35 | Species | Taxom |
| Pulicidae Billberg, 1820 | Cat fleas | 12 | Species | Taxom |
| Pygidicranidae (Verhoeff, 1902) | | 1 | Species | Taxom |
| Pygiopsyllidae Wagner, 1939 | | 1 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 21 | Species | Taxom |
| Pyrgomorphidae Brunner von ..., 1874 | Bushlocusts | 0 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 5 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 9 | Species | Taxom |
| Rangomaramidae Jaschhof & D..., 2002 | | 9 | Species | Taxom |
| Raphidiidae Latreille, 1810 | Raphidiid snakeflies | 1 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 18 | Species | Taxom |
| Rhagionemestriidae Ussatchov, 1968 | | 1 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 22 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 9 | Species | Taxom |
| Rhinophoridae Robineau-Des..., 1863 | Woodlouse flies | 1 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 4 | Species | Taxom |
| Rhizoecidae Williams, 1969 | | 4 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 10 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 63 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 28 | Species | Taxom |
| Rhyphidae (Newman, 1834) | | 1 | Species | Taxom |
| Richardidae Snow, 1896 | Richardid flies | 2 | Species | Taxom |
| Ricinidae Neumann, 1890 | | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 12 | Species | Taxom |
| Ripiphoridae Gemminger & ..., 1870 | Rhipiphoridae | 1 | Species | Taxom |
| Romaleidae Brunner von ..., 1893 | Lubber grasshopper | 3 | Species | Taxom |
| Ropalomeridae Linder, 1930 | Ropalomerid flies | 1 | Species | Taxom |
| Rotoitidae BouÄek & No..., 1987 | Rotoitid wasps | 1 | Species | Taxom |
| Rutelidae (MacLeay, 1819) | | 8 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 1 | Species | Taxom |
| Salpingidae Leach, 1815 | Narrow-waisted bark beetle | 3 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 66 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 33 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 306 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scatopsidae Newman, 1834 | Dung midges | 12 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 18 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 4 | Species | Taxom |
| Sciaridae Billberg, 1820 | Black fungus gnats | 2 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 25 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 5 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 0 | Species | Taxom |
| Scraptiidae Mulsant, 1856 | Antlike leaf beetles | 3 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 82 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 1 | Species | Taxom |
| Sericostomatidae Stephens, 1836 | Bushtailed Caddisflies | 10 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 12 | Species | Taxom |
| Sialidae Leach, 1815 | Alderflies | 1 | Species | Taxom |
| Signiphoridae Howard, 1894 | Signiphorid waps | 7 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 6 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 6 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 54 | Species | Taxom |
| Sinembiidae Huang & Nel, 2009 | | 2 | Species | Taxom |
| Sinojuraphididae Huang & Nel, 2008 | | 1 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 0 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 3 | Species | Taxom |
| Sisyridae Handlirsch, 1908 | Spongeflies | 1 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 53 | Species | Taxom |
| Sphaeropsocidae Kolbe, 1883 | | 9 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 10 | Species | Taxom |
| Sphindidae Jacquelin du..., 1860 | Cryptic slime mold beetle | 2 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 27 | Species | Taxom |
| Spongiphoridae Verhoeff, 1902 | Little Earwigs | 2 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 954 | Species | Taxom |
| Stenopsychidae Martynov, 1924 | | 3 | Species | Taxom |
| Stephanocircidae Wagner, 1928 | | 24 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 82 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 140 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 159 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 233 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 3 | Species | Taxom |
| Tanyderidae Alexander, 1919 | Primitive crane flies | 4 | Species | Taxom |
| Tasimiidae Riek, 1968 | | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 84 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 20 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 78 | Species | Taxom |
| Teratomyzidae Hennig, 1969 | Fern Flies | 2 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 3 | Species | Taxom |
| Termopsidae Grassé, 1949 | Damp wood termite | 2 | Species | Taxom |
| Tethinidae (Hendel, 1916) | Tethinid flies | 17 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 1 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 3 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 39 | Species | Taxom |
| Thaumaleidae Bezzi, 1913 | Solitary midges | 5 | Species | Taxom |
| Thaumastocoridae Kirkaldy, 1908 | Palm bug | 1 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 32 | Species | Taxom |
| Thespidae Giglio-Tos, 1919 | | 0 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 17 | Species | Taxom |
| Thynnidae Shuckard, 1841 | Thynnid Wasps | 1 | Species | Taxom |
| Thyreocoridae Amyot and Se..., 1843 | Black bugs | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 26 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 18 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 1 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 503 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 173 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 9 | Species | Taxom |
| Trachypachidae C. G. Thomson, 1857 | False ground beetle | 3 | Species | Taxom |
| Trichoceridae Rondani, 1841 | Winter Crane Flies | 10 | Species | Taxom |
| Trichodectidae Kellogg, 1896 | | 2 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 5 | Species | Taxom |
| Trichopsocidae Pearman, 1936 | Lash-faced psocid | 1 | Species | Taxom |
| Tridactylidae Saussure, 1874 | Pygmy mole cricket | 1 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 3 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 18 | Species | Taxom |
| Tristiridae Rehn, 1906 | | 12 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 20 | Species | Taxom |
| Trogiidae Enderlein, 1903 | Granary Booklice | 6 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 11 | Species | Taxom |
| Tropiduchidae Stål, 1866 | Tropiduchid Planthoppers | 2 | Species | Taxom |
| Ulidiidae Macquart, 1835 | Picture-winged Flies | 2 | Species | Taxom |
| Urodidae Kyrki, 1984 | False Burnet Moths | 2 | Species | Taxom |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 1 | Species | Taxom |
| Vesperidae Mulsant, 1839 | Vesperid longicorn beetles | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 54 | Species | Taxom |
| Xenidae Pohl & Beutel, 2005 | | 2 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 1 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 6 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 7 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 2 | Species | Taxom |
