| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 1 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 13 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 9 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 14 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 33 | 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 |
| Anthomyzidae Czerny, 1903 | Anthomyzid flies | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 2 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 1 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 24 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 39 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 5 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 17 | Species | Taxom |
| Athericidae Stuckenberg, 1973 | Athericid flies | 1 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 1 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 1 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 1 | Species | Taxom |
| Bethylidae Halliday, 1839 | Bethylid wasps | 2 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 1 | Species | Taxom |
| Blephariceridae Loew, 1861 | Mountain midges | 0 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 13 | Species | Taxom |
| Boreidae Latreille, 1816 | Snow fleas | 2 | Species | Taxom |
| Brachycentridae Ulmer, 1903 | Humpless Casemaker Caddisflies | 1 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 21 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 2 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 6 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 6 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 3 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 6 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 5 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 154 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 2 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 1 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 3 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 44 | Species | Taxom |
| Ceratophyllidae Dampf, 1908 | Bird Fleas | 5 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 3 | Species | Taxom |
| Chamaemyiidae Hendel, 1910 | Aphid flies | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 13 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 3 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 1 | Species | Taxom |
| Choreutidae Stainton, 1854 | Choreuitid Moths | 1 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 6 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 37 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 6 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 8 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 3 | Species | Taxom |
| Ciidae Leach, 1819 | Minute tree fungus beetles | 1 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 3 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 17 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 17 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 3 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 4 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 1 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 8 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 19 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 1 | Species | Taxom |
| Corylophidae LeConte, 1852 | Hooded beetles | 1 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 4 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 31 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 23 | Species | Taxom |
| Ctenophthalmidae Rothschild, 1915 | | 3 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 5 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 44 | Species | Taxom |
| Cynipidae Latreille, 1802 | Cynipid gall wasps | 1 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 2 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 5 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 3 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 3 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 0 | Species | Taxom |
| Dipseudopsidae Ulmer, 1904 | | 1 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 3 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 2 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 8 | Species | Taxom |
| Dryinidae Haliday, 1840 | Dryinid wasps | 0 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 31 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 8 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 10 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 16 | Species | Taxom |
| Empididae Latreille, 1809 | Balloon flies | 4 | Species | Taxom |
| Endomychidae Leach, 1815 | False Ladybirds | 1 | Species | Taxom |
| Epermeniidae Spuler, 1910 | Epermeniid moths | 1 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 1 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 82 | Species | Taxom |
| Eriocraniidae Rebel, 1901 | Eriocraniid moths | 2 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 5 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 5 | Species | Taxom |
| Eurytomidae Walker, 1832 | Eurytomid wasps | 2 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 2 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 1 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 1 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 26 | Species | Taxom |
| Gasteruptiidae Ashmead, 1900 | Carrot Wasps | 1 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 16 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 37 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 3 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 13 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 5 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 11 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 15 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 8 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 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 | 3 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 0 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 17 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 2 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 20 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 1 | Species | Taxom |
| Hybotidae Meigen, 1820 | Dance flies | 4 | Species | Taxom |
| Hydraenidae Mulsant, 1844 | Cascade Beetles | 1 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 1 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 33 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 9 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 6 | Species | Taxom |
| Hystrichopsyllidae Tiraboschi, 1904 | Insectivore fleas | 1 | Species | Taxom |
| Ibaliidae Thomson, 1862 | Ibaliid wasps | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 77 | Species | Taxom |
| Isostictidae Fraser, 1955 | Narrow-wings | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 1 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 7 | 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 |
| Lepidostomatidae Ulmer, 1903 | Bizarre Caddisflies | 2 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 4 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 2 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 6 | Species | Taxom |
| Leuctridae Klapálek, 1905 | Needle Or Willow Stoneflies | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 17 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 5 | Species | Taxom |
| Limoniidae (Speiser, 1909) | Craneflies | 2 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 1 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 11 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 1 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 3 | Species | Taxom |
| Lyonetiidae Stainton, 1854 | Lyonet Moths | 3 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 1 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 21 | Species | Taxom |
| Megaspilidae Ashmead, 1893 | Megaspilid wasps | 0 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 1 | Species | Taxom |
| Melittidae Schenk, 1860 | Melittid bees | 1 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 1 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 1 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 5 | Species | Taxom |
| Micropezidae Illiger, 1798 | Stilt Flies | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 32 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 1 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 2 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 2 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 1 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 1 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 1 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 2 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 4 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 182 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 3 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 0 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 5 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 5 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 36 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 4 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 7 | Species | Taxom |
| Oligoneuriidae Ulmer, 1914 | Brushleg Mayflies | 1 | Species | Taxom |
| Opostegidae Meyrick, 1893 | Opostegid moths | 1 | Species | Taxom |
| Orsodacnidae Thomson, 1859 | Orsodacnid Leaf Beetles | 1 | Species | Taxom |
| Otitidae (Macquart, 1835) | Picture-winged flies | 1 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 4 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 5 | Species | Taxom |
| Pelecinidae Haliday, 1839 | Ancestral And Modern Pelecinid Wasps | 1 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 7 | Species | Taxom |
| Pergidae Rohwer, 1911 | Pergid flies | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 11 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 3 | Species | Taxom |
| Petaluridae Needham, 1903 | Grayback dragonfly | 1 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 1 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 1 | Species | Taxom |
| Philopotamidae Stephens, 1829 | Finger Net caddisflies | 2 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 5 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 6 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 1 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 5 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 4 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 3 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 4 | Species | Taxom |
| Pleidae Fieber, 1817 | Pigmy backswimmers | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 2 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 2 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 9 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Proctotrupidae Latreille, 1802 | Proctotrupid wasps | 2 | Species | Taxom |
| Psephenidae Lacordaire, 1854 | Water pennies | 1 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 1 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 2 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 9 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 5 | Species | Taxom |
| Pteronarcyidae Enderlein, 1909 | Giant stoneflies | 3 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 9 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 1 | Species | Taxom |
| Ptychopteridae Osten Sacken, 1862 | Phantom crane flies | 1 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 22 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 0 | Species | Taxom |
| Raphidiidae Latreille, 1810 | Raphidiid snakeflies | 1 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 1 | Species | Taxom |
| Rhagionidae Latreille, 1802 | Snipe flies | 1 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 1 | Species | Taxom |
| Rhipiceridae Latreille, 1834 | Cedar beetles | 1 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 2 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 4 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 5 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 23 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 1 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 13 | Species | Taxom |
| Scenopinidae Burmeister, 1835 | Window Flies | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 9 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 3 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 1 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 4 | Species | Taxom |
| Sialidae Leach, 1815 | Alderflies | 1 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 8 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 4 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 6 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 4 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 7 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 8 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 43 | Species | Taxom |
| Stenotrachelidae C. G. Thomson, 1859 | False long-horned beetles | 0 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 3 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 14 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 30 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 2 | Species | Taxom |
| Taeniopterygidae Klapálek, 1905 | Taeniopterygid winter stoneflies | 3 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 14 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 75 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 5 | Species | Taxom |
| Tetratomidae Billberg, 1820 | Polypore fungus beetle | 2 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 3 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 4 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 4 | Species | Taxom |
| Thyreocoridae Amyot and Se..., 1843 | Black bugs | 1 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 5 | Species | Taxom |
| Tiphiidae Leach, 1815 | Flower wasps | 0 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 12 | Species | Taxom |
| Tischeriidae Spuler, 1898 | Lyonetiid moths | 0 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 136 | Species | Taxom |
| Torymidae Walker, 1833 | Apple seed chalcids | 2 | Species | Taxom |
| Trichogrammatidae Haliday, 1851 | Trichogrammatid wasps | 2 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 1 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 1 | Species | Taxom |
| Vanhorniidae Crawford, 1909 | Vanhorniid wasps | 1 | Species | Taxom |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 1 | Species | Taxom |
| Vermipsyllidae Wagner, 1889 | Carnivore fleas | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 17 | Species | Taxom |
| Xiphydriidae Leach, 1819 | Wood wasps | 2 | Species | Taxom |
| Xyelidae Newman, 1835 | Sawfly | 3 | Species | Taxom |
| Xylomyidae Verrall, 1901 | Wood soldier flies | 2 | Species | Taxom |
| Xylophagidae Fallen, 1810 | Awl-flies | 2 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 5 | Species | Taxom |
| Ypsolophidae Guenée, 1845 | Ypsolophid Moths | 2 | Species | Taxom |
