| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 49 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 0 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 7 | Species | Taxom |
| Agaonidae Walker, 1848 | Fig wasp | 1 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 1 | Species | Taxom |
| Aididae Schaus, 1906 | | 1 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 40 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 1 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 1 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 2 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 1 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 1 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 62 | Species | Taxom |
| Archeocrypticidae Kaszab, 1964 | Ancient Fungus Beetles | 1 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 3 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 1 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 9 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 8 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 2 | Species | Taxom |
| Berothidae Handlirsch, 1906 | Beaded lacewing | 1 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 1 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 2 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 4 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 1 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 21 | Species | Taxom |
| Bradyblattidae Durden, 1969 | | 1 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 4 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 2 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 2 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 4 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 1 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 3 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 92 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Forest Midges | 1 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 18 | Species | Taxom |
| Ceratocombidae Fieber, 1861 | | 1 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 1 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 6 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 2 | Species | Taxom |
| Chaoboridae Newman, 1834 | Phantom midge | 2 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 11 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 0 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 3 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 19 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 9 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 4 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 2 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 2 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 6 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 30 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 19 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 2 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 8 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 6 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 1 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 4 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 2 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 1 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 1 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 9 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 26 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 1 | Species | Taxom |
| Cucujidae Latreille, 1802 | Flat bark beetles | 3 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 34 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 23 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 1 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 1 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 3 | Species | Taxom |
| Derodontidae LeConte, 1861 | Tooth-neck fungus beetles | 1 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 1 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 3 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 1 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 2 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 12 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 1 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 5 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 8 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 1 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 2 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 1 | Species | Taxom |
| Enicocephalidae Stål, 1860 | Gnat bug | 0 | Species | Taxom |
| Epermeniidae Spuler, 1910 | Epermeniid moths | 1 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 3 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 1 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 69 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 6 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 1 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 4 | Species | Taxom |
| Eupelmidae Walker, 1833 | Eupelmid wasps | 0 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 1 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 1 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 2 | Species | Taxom |
| Formicidae Latreille, 1809 | Ants | 40 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 0 | Species | Taxom |
| Gelastocoridae Kirkaldy, 1897 | Toad bug | 1 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 1 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 1 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 28 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 3 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 9 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 3 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 6 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 33 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 6 | Species | Taxom |
| Hebridae Amyot and Se..., 1843 | Velvet water bug | 1 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 1 | Species | Taxom |
| Helophoridae (Leach, 1815) | Water scavenger beetles | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 6 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Skipper | 29 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 1 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 32 | Species | Taxom |
| Hybosoridae Erichson, 1847 | Pill scarab beetles | 2 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 3 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 4 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 20 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 6 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 10 | Species | Taxom |
| Hystrichopsyllidae Tiraboschi, 1904 | Insectivore fleas | 1 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 12 | Species | Taxom |
| Isostictidae Fraser, 1955 | Narrow-wings | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 1 | Species | Taxom |
| Ithonidae Newman, 1838 | Ithonid lacewings | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 0 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 4 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 1 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 1 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 13 | Species | Taxom |
| Leptohyphidae Landa & Soldán, 1985 | Little Stout Crawler Mayflies | 0 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 2 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 4 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 20 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 2 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 5 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 24 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 0 | Species | Taxom |
| Lycocercidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 0 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 26 | 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 | 0 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 2 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 3 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 3 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 9 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 1 | Species | Taxom |
| Mimallonidae Burmeister, 1878 | Mimallonid Moths | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 2 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 3 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 1 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 3 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 2 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 4 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 1 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 1 | Species | Taxom |
| Nemestrinidae Macquart, 1834 | Tangle-veined flies | 1 | Species | Taxom |
| Nemopteridae Rambur, 1842 | Spoonwings | 1 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 0 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 2 | Species | Taxom |
| Nicoletiidae Escherich, 1905 | Nicoletiid Fishmoths | 0 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 12 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 109 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 1 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 7 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 4 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 42 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 7 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 2 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 1 | Species | Taxom |
| Orussidae Newman, 1834 | Orussid wasps | 0 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 12 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 1 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 1 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 16 | Species | Taxom |
| Perilampidae Latreille, 1809 | Perilampid waps | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 6 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 4 | Species | Taxom |
| Phalacridae Leach, 1815 | Shining flower beetles | 0 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 1 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 1 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 22 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 1 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 1 | Species | Taxom |
| Phylloxeridae Herrich-Scha..., 1854 | Phylloxeran Aphids | 0 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 15 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 1 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 2 | 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 | 4 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 1 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 0 | Species | Taxom |
| Potamanthidae Albarda, 1888 | Hacklegill mayflies | 1 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Proctotrupidae Latreille, 1802 | Proctotrupid wasps | 0 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 1 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 1 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 1 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 1 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 1 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 1 | Species | Taxom |
| Ptiliidae Heer, 1843 | Feather-wing beetles | 0 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 8 | Species | Taxom |
| Pyrgotidae Schiner, 1868 | Light Flies | 1 | Species | Taxom |
| Rafaelianidae Engel & Nel, 2017 | | 0 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 1 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 2 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 1 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 1 | Species | Taxom |
| Rhopalosomatidae Ashmead, 1896 | Rhopalosomatid wasps | 1 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 2 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 3 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 6 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 7 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 63 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 1 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 3 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 3 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 1 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 3 | Species | Taxom |
| Sialidae Leach, 1815 | Alderflies | 4 | Species | Taxom |
| Sierolomorphidae Krombein, 1951 | Sierolomorphid wasp | 1 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 9 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 3 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 1 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 1 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 8 | Species | Taxom |
| Sphindidae Jacquelin du..., 1860 | Cryptic slime mold beetle | 0 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 14 | Species | Taxom |
| Spongiphoridae Verhoeff, 1902 | Little Earwigs | 1 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 61 | Species | Taxom |
| Stephanidae Leach, 1815 | Crown wasp | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 2 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 5 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 5 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 3 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 32 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 14 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 5 | Species | Taxom |
| Termitidae Latreille, 1802 | Higher termites | 1 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 2 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 3 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 17 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 2 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 6 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 1 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 15 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 8 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 4 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 5 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 0 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 11 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 2 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 1 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 1 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 1 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 2 | Species | Taxom |
