| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 1 | Species | Taxom |
| Acartophthalmidae Czerny, 1928 | Acartophthalmid flies | 1 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 22 | Species | Taxom |
| Adelgidae Heinze, 1962 | Adelgids | 2 | Species | Taxom |
| Aderidae Winkler, 1927 | Ant-like leaf beetles | 1 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 8 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 10 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 13 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 3 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 1 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 3 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 13 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 2 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 27 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 3 | Species | Taxom |
| Arthropleidae Balthasar, 1937 | Flatheaded Mayflies | 1 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 7 | Species | Taxom |
| Aulacigastridae Wollaston, 1864 | Aulacigastrid flies | 1 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 2 | Species | Taxom |
| Baetiscidae Banks, 1900 | Armored Mayflies | 1 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 2 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 3 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 1 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 3 | Species | Taxom |
| Boreidae Latreille, 1816 | Snow fleas | 1 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 1 | Species | Taxom |
| Brachycentridae Ulmer, 1903 | Humpless Casemaker Caddisflies | 1 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 4 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 7 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 1 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 10 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 2 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 3 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 3 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 56 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Forest Midges | 1 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 12 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 1 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 4 | Species | Taxom |
| Cerylonidae Billberg, 1820 | Cerylid Kingfishers | 1 | Species | Taxom |
| Chaoboridae Newman, 1834 | Phantom midge | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 10 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 1 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 3 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 1 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 3 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 15 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 2 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 18 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 1 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 1 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 1 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 1 | Species | Taxom |
| Clusiidae Schönherr, 1840 | Clusiid flies | 1 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 22 | Species | Taxom |
| Coelopidae Hendel, 1910 | Kelp Flies | 1 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 17 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 2 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 9 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 4 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 4 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 3 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 2 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 2 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 3 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 10 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 23 | Species | Taxom |
| Cryptophagidae Kirby, 1937 | Mould beetles | 1 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 15 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 22 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 0 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 1 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 1 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 4 | 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 | 4 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 5 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 1 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 3 | Species | Taxom |
| Dryopidae Billberg, 1820 | Long toed water beetle | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 22 | Species | Taxom |
| Ectobiidae (Brunner von ..., 1865) | Wood cockroaches | 1 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 1 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 3 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 14 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 8 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 4 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 1 | Species | Taxom |
| Ephemerellidae (Klapálek, 1909) | Blue-Winged Olive Ephemerellidae | 1 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 1 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 2 | Species | Taxom |
| Epipygidae Hamilton, 2001 | | 1 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 79 | Species | Taxom |
| Eucinetidae Lacordaire, 1857 | Plate-thigh beetle | 1 | Species | Taxom |
| Eucnemidae Eschscholtz, 1829 | Click Beetles | 2 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 1 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 0 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 1 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 1 | Species | Taxom |
| Formicidae Latreille, 1809 | Ants | 59 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 1 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 9 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 83 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 4 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 4 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 2 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 20 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 2 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 1 | Species | Taxom |
| Helophoridae (Leach, 1815) | Water scavenger beetles | 1 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 5 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 5 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Skipper | 45 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 7 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 1 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 2 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 1 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 1 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 8 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 4 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 2 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 7 | Species | Taxom |
| Isostictidae Fraser, 1955 | Narrow-wings | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 2 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 3 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 4 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 4 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 1 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 2 | Species | Taxom |
| Lepidopsocidae Lienhard & S..., 2002 | Scaly-winged bark louse | 1 | Species | Taxom |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 1 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 5 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 1 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 6 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 24 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 1 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 9 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 1 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 26 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 5 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 1 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 3 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 1 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 15 | Species | Taxom |
| Megapodagrionidae Tillyard, 1917 | Flatwing | 1 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 1 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 0 | Species | Taxom |
| Micropterigidae Herrich-Schä..., 1855 | Mandibulate Archaic Moths | 1 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 19 | Species | Taxom |
| Monotomidae Laporte, 1840 | Minute Clubbed Beetles | 1 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 2 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 13 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 1 | Species | Taxom |
| Mycetophagidae Leach, 1815 | Hairy fungus beetle | 2 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 4 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 1 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 2 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 1 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 1 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 1 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 111 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 1 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 2 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 18 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 2 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 48 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 2 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 1 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 1 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 1 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 1 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 8 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 1 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 5 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 2 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 0 | Species | Taxom |
| Phalacridae Leach, 1815 | Shining flower beetles | 3 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 2 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 2 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 1 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 7 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 13 | Species | Taxom |
| Piophilidae Macquart, 1835 | Cheese flies | 1 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 1 | Species | Taxom |
| Platypezidae Fallen, 1815 | Flat footed flies | 3 | Species | Taxom |
| Pleidae Fieber, 1817 | Pigmy backswimmers | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 3 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 1 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 1 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 1 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 1 | Species | Taxom |
| Psocidae Samouelle, 1819 | Common bark louse | 2 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 3 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 2 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 1 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 5 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 2 | Species | Taxom |
| Pteronarcyidae Enderlein, 1909 | Giant stoneflies | 1 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 6 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 2 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 9 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 2 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 3 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 0 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 3 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 1 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 2 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 7 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 14 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 2 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 1 | Species | Taxom |
| Schreckensteiniidae Fletcher, 1929 | Bristle Legged Moths | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 2 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 2 | Species | Taxom |
| Scraptiidae Mulsant, 1856 | Antlike leaf beetles | 2 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 0 | Species | Taxom |
| Sepsidae Walker, 1833 | Black scavenger flies | 2 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 10 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 6 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 1 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 2 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 3 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 2 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 1 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 4 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 22 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 27 | Species | Taxom |
| Stenotrachelidae C. G. Thomson, 1859 | False long-horned beetles | 1 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 2 | Species | Taxom |
| Strongylophthalmyiidae Hennig, 1940 | Strongylophthalmyiid flies | 1 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 27 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 8 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 10 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 1 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 10 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 28 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 1 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 7 | Species | Taxom |
| Thanerocleridae Chapin, 1921 | | 1 | Species | Taxom |
| Therevidae Newman, 1834 | Stiletto flies | 3 | Species | Taxom |
| Throscidae Laporte, 1840 | False metallic wood-boring beetles | 0 | Species | Taxom |
| Thyrididae Herrich-Schä..., 1846 | Picture Winged Leaf Moths | 1 | Species | Taxom |
| Timematidae Caudell, 1903 | Timemas | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 5 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 3 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 13 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 45 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 1 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 2 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 1 | Species | Taxom |
| Vanhorniidae Crawford, 1909 | Vanhorniid wasps | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 10 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 1 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 0 | Species | Taxom |
| Xylophagidae Fallen, 1810 | Awl-flies | 1 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 5 | Species | Taxom |
| Ypsolophidae Guenée, 1845 | Ypsolophid Moths | 1 | Species | Taxom |
