| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 9 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 32 | Species | Taxom |
| Adelidae Bruand, 1851 | Adelid Moths | 0 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 7 | Species | Taxom |
| Agyrtidae Thomson, 1859 | Primitive carrion beetles | 0 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 3 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 10 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 0 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 0 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 1 | Species | Taxom |
| Anthribidae Billberg, 1820 | Fungus Weevil | 13 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphid | 49 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 10 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 24 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 2 | Species | Taxom |
| Argidae Konow, 1890 | Argid flies | 4 | Species | Taxom |
| Ascalaphidae Rambur, 1842 | Owlflies | 2 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 9 | Species | Taxom |
| Attelabidae Billberg, 1820 | Leaf Rolling Weevil | 23 | Species | Taxom |
| Autostichidae Le Marchand, 1947 | Autostichid Moths | 2 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 1 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 1 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 1 | Species | Taxom |
| Blattellidae (Karny, 1908) | German Cockroach | 2 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 1 | Species | Taxom |
| Blissidae Stål, 1862 | Chinch Bugs | 2 | Species | Taxom |
| Bombycidae Latreille, 1802 | Lappet moths | 2 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 5 | Species | Taxom |
| Bostrichidae Latreille, 1802 | Auger beetles | 1 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 6 | Species | Taxom |
| Brahmaeidae Swinhoe, 1892 | Brahmin Moths | 2 | Species | Taxom |
| Brentidae Billberg, 1820 | Brenthidae | 1 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 23 | Species | Taxom |
| Callidulidae Moore, 1877 | Old World Butterfly Moths | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 8 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 3 | Species | Taxom |
| Canaceidae (Jones, 1906) | Beach flies | 2 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 2 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 117 | Species | Taxom |
| Carcinophoridae Hincks, 1954 | | 2 | Species | Taxom |
| Carposinidae Walsingham, 1907 | Carposinid moths | 2 | Species | Taxom |
| Carsidaridae Crawford, 1911 | | 1 | Species | Taxom |
| Cecidomyiidae Newman, 1834 | Cecidomyidae | 2 | Species | Taxom |
| Cephidae Newman, 1834 | Cephids | 0 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 146 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 5 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 2 | Species | Taxom |
| Chalcididae Latreille, 1817 | Chalcidid wasps | 1 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 1 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 2 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 4 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 69 | Species | Taxom |
| Chrysopidae Schneider, 1851 | And Green Lacewings | 2 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 29 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 12 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 1 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 1 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 1 | Species | Taxom |
| Cleridae Latreille, 1802 | Checkered Beetle | 2 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 21 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 12 | Species | Taxom |
| Coleophoridae Hübner, 1825 | Case moths | 4 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 2 | Species | Taxom |
| Conopidae Latreille, 1802 | Thick-headed Flies | 3 | Species | Taxom |
| Cordulegastridae Calvert, 1893 | Biddie | 1 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 5 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 13 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 2 | Species | Taxom |
| Corydalidae Burmeister, 1839 | Dobsonflies | 1 | Species | Taxom |
| Cosmopterigidae Heinemann & ..., 1876 | Cosmet Moths | 3 | Species | Taxom |
| Cossidae Leach, 1815 | Borers | 3 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 14 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 107 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 10 | Species | Taxom |
| Cupedidae Laporte, 1836 | Cupedids | 1 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 66 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 1 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 2 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 3 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 4 | Species | Taxom |
| Diapheromeridae Rehn & Hebard, 1909 | Diapheromerid Stick Insects | 1 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 1 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 2 | Species | Taxom |
| Dinidoridae Stål, 1867 | Dinidorid bug | 1 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 1 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 2 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 29 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 1 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 10 | Species | Taxom |
| Elachistidae Bruand, 1851 | Elachistid moths | 5 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 18 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 3 | Species | Taxom |
| Epicopeiidae Swinhoe, 1892 | Oriental Swallowtail Moths | 2 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 213 | Species | Taxom |
| Erotylidae Latreille, 1802 | Pleasing Fungus Beetle | 3 | Species | Taxom |
| Eucharitidae Latreille, 1809 | Eucharitid wasp | 1 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 1 | Species | Taxom |
| Euteliidae Grote, 1882 | Euteliid Moths | 5 | Species | Taxom |
| Evaniidae Latreille, 1802 | Ensign wasp | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 1 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 1 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 3 | Species | Taxom |
| Formicidae Latreille, 1809 | Ant | 15 | Species | Taxom |
| Fulgoridae Latreille, 1807 | Fulgorid Planthopper | 2 | Species | Taxom |
| Galacticidae Minet, 1986 | Galacticid Moths | 1 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 33 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 2 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 300 | Species | Taxom |
| Geotrupidae Latreille, 1802 | Dor beetles | 1 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 4 | Species | Taxom |
| Glyphipterigidae Stainton, 1854 | Glyphipterigid moths | 1 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 14 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 4 | Species | Taxom |
| Gryllacrididae Blanchard, 1845 | Camel Crickets | 2 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 5 | Species | Taxom |
| Gryllotalpidae Saussure, 1870 | Mole cricket | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 3 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 8 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 1 | Species | Taxom |
| Hepialidae Stephens, 1829 | Ghost Moths | 2 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 0 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Indet. Skipper | 32 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 12 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 1 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 9 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 66 | Species | Taxom |
| Inocelliidae Navas, 1913 | Inocelliid snakeflies | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 1 | Species | Taxom |
| Labiduridae Verhoeff, 1902 | Long-horned earwig | 1 | Species | Taxom |
| Labiidae (Burr, 1909) | Little earwig | 0 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 3 | Species | Taxom |
| Largidae Amyot and Se..., 1843 | Bordered plant bugs | 1 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 15 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 2 | Species | Taxom |
| Lecithoceridae Le Marchand, 1947 | Long-horned moths | 2 | Species | Taxom |
| Leiodidae Fleming, 1821 | Round fungus beetles | 1 | Species | Taxom |
| Lepismatidae Latreille, 1802 | Lepismatid Fishmoths | 2 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 2 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 6 | Species | Taxom |
| Leucospidae Fabricius, 1775 | Leucospid wasps | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 28 | Species | Taxom |
| Limacodidae Duponchel, 1845 | Cup moths | 11 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 3 | Species | Taxom |
| Lucanidae Latreille, 1804 | Stag Beetle | 11 | Species | Taxom |
| Lycaenidae Leach, 1815 | And blues | 40 | Species | Taxom |
| Lycidae Laporte, 1836 | Lycid beetles | 0 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 4 | Species | Taxom |
| Machaerotidae Stål, 1866 | Tube spittlebugs | 1 | Species | Taxom |
| Machilidae Grassi, 1888 | Jumping bristletail | 0 | Species | Taxom |
| Malcidae Stål, 1865 | | 1 | Species | Taxom |
| Mantidae Burmeister, 1838 | Mantids | 7 | Species | Taxom |
| Mantispidae Leach, 1815 | Mantid lacewings | 3 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 9 | Species | Taxom |
| Megalopodidae Latreille, 1802 | Megalopodid Leaf Beetles | 2 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 0 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 7 | Species | Taxom |
| Melolonthidae (Leach, 1817) | Chafers | 2 | Species | Taxom |
| Melyridae Leach, 1815 | Malachite Beetles | 2 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 4 | Species | Taxom |
| Mesochrysopidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 47 | Species | Taxom |
| Mirinidae (Kozlov, 1985) | | 1 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 1 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 1 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 1 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 6 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 1 | Species | Taxom |
| Naucoridae Leach, 1815 | Creeping water bug | 0 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 4 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 1 | Species | Taxom |
| Neriidae Hendel, 1916 | Banana stalk flies | 1 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 4 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 325 | Species | Taxom |
| Nolidae Hampson, 1894 | Hatted Caterpillars | 23 | Species | Taxom |
| Noteridae C. G. Thomson, 1860 | Burrowing water beetle | 1 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 85 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 100 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 2 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 18 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 2 | Species | Taxom |
| Osmylidae Leach, 1815 | Giant lacewings | 1 | Species | Taxom |
| Pachygronthidae Stål, 1865 | | 1 | Species | Taxom |
| Pamphiliidae Cameron, 1890 | Leaf-rolling sawflies | 5 | Species | Taxom |
| Panorpidae Linnaeus, 1758 | Common scorpionflies | 2 | Species | Taxom |
| Panorpodidae Byers, 1965 | Short-faced scorpionflies | 0 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 17 | Species | Taxom |
| Passalidae Leach, 1815 | Bess beetle | 1 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 34 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 1 | Species | Taxom |
| Phalangopsidae (Chopard, 1949) | Spider cricket | 1 | Species | Taxom |
| Phasmatidae Roberts, 1944 | Walking sticks | 1 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 5 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 1 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 1 | Species | Taxom |
| Phryganopsychidae Wiggins, 1959 | | 1 | Species | Taxom |
| Pieridae Duponchel, 1835 | And Sulphurs | 18 | Species | Taxom |
| Plataspidae (Dallas, 1851) | | 0 | Species | Taxom |
| Plataspididae (Dallas, 1851) | | 2 | Species | Taxom |
| Platycnemididae Tillyard, 1917 | White-legged damselflies | 3 | Species | Taxom |
| Platystomatidae Schiner, 1862 | Picture-winged flies | 3 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 1 | Species | Taxom |
| Podoscirtidae Saussure, 1878 | | 1 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 8 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 1 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 1 | Species | Taxom |
| Psychomyiidae Walker, 1852 | Net Tube Caddisflies | 1 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 1 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 2 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 79 | Species | Taxom |
| Pyrgomorphidae Brunner von ..., 1874 | Bushlocusts | 1 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 1 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 2 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 16 | Species | Taxom |
| Rhaphidophoridae Walker, 1869 | And Cave Weta | 3 | Species | Taxom |
| Rhinotermitidae Froggatt, 1897 | Subterranean termites | 1 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 6 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 10 | Species | Taxom |
| Ricaniidae Amyot & Audi..., 1843 | | 5 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 2 | Species | Taxom |
| Rutelidae (MacLeay, 1819) | | 1 | Species | Taxom |
| Sarcophagidae Macquart, 1834 | Flesh flies | 1 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 10 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 110 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 1 | Species | Taxom |
| Scoliidae Leach, 1815 | Mammoth wasps | 3 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 2 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 1 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 12 | Species | Taxom |
| Silvanidae Kirby, 1837 | Flat bark beetles | 1 | Species | Taxom |
| Siphlonuridae Banks, 1900 | Primitive Minnow Mayflies | 0 | Species | Taxom |
| Siricidae Billberg, 1820 | Horntail | 3 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 8 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 42 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 31 | Species | Taxom |
| Stenopsychidae Martynov, 1924 | | 1 | Species | Taxom |
| Stenotrachelidae C. G. Thomson, 1859 | False long-horned beetles | 0 | Species | Taxom |
| Stratiomyidae Latreille, 1802 | Soldier flies | 5 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 43 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 13 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 12 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 16 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 25 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 5 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 4 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 29 | Species | Taxom |
| Thyrididae Herrich-Schä..., 1846 | Picture Winged Leaf Moths | 6 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 3 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 3 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 6 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 180 | Species | Taxom |
| Trichoceridae Rondani, 1841 | Winter Crane Flies | 3 | Species | Taxom |
| Tridactylidae Saussure, 1874 | Pygmy mole cricket | 1 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 3 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 4 | Species | Taxom |
| Trogossitidae Latreille, 1802 | Bark gnawing beetle | 1 | Species | Taxom |
| Uraniidae Blanchard, 1845 | Swallowtail Moths | 6 | Species | Taxom |
| Urostylidae (Dallas, 1851) | | 6 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 30 | 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 |
| Xylophagidae Fallen, 1810 | Awl-flies | 1 | Species | Taxom |
| Xyloryctidae Meyrick, 1890 | Flower Moths | 2 | Species | Taxom |
| Yponomeutidae Stephens, 1829 | Ermine Moths | 6 | Species | Taxom |
| Ypsolophidae Guenée, 1845 | Ypsolophid Moths | 2 | Species | Taxom |
| Zopheridae Solier, 1834 | Cylindrical bark beetles | 1 | Species | Taxom |
| Zygaenidae Latreille, 1809 | Burnet Forester | 8 | Species | Taxom |
