| Abagrotis alampeta Franclemont, 1967 | |
| Abagrotis bimarginalis Grote, 1883 | |
| Abagrotis discoidalis Grote, 1876 | |
| Abagrotis duanca Smith, 1908 | Dark Dart Moth |
| Abagrotis erratica Smith, 1890 | |
| Abagrotis forbesi (Smith, 1908) | ⇒ Abagrotis nefascia Smith, 1908 |
| Abagrotis glenni Buckett, 1968 | |
| Abagrotis mirabilis Grote, 1879 | |
| Abagrotis nanalis Grote, 1881 | Nanalis Dart Moth |
| Abagrotis nefascia Smith, 1908 | Coastal Heathland Cutworm |
| Abagrotis placida Grote, 1876 | Red cutworm |
| Abagrotis reedi Buckett, 1969 | Reed´s Dart Moth |
| Abagrotis scopeops Dyar, 1904 | |
| Abagrotis trigona Smith, 1893 | Luteous Dart |
| Abagrotis variata Grote, 1876 | |
| Abagrotis vittifrons Grote, 1864 | Pale-edged Dart Moth |
| Achatia confusa Hübner, 1827 | |
| Achytonix epipaschia (Grote, 1882) | ⇒ Cosmia epipaschia Grote, 1883 |
| Acontia (Emmelia) candefacta Hübner, 1831 | |
| Acopa carina Harvey, 1874 | |
| Acopa perpallida Grote, 1878 | |
| Acronicta (Acronicta) leporina Linnaeus, 1758 | Leporina Dagger Moth |
| Acronicta (Acronicta) vulpina (Grote, 1883) | ⇒ Acronicta leporina Linnaeus, 1758 |
| Acronicta americana Harris, 1841 | American Dagger |
| Acronicta cyanescens (Hampson, 1909) | ⇒ Acronicta lepusculina Guenée, 1852 |
| Acronicta dactylina Grote, 1874 | Alder Dagger |
| Acronicta falcula Grote, 1877 | Corylus Dagger Moth |
| Acronicta grisea (Walker, 1856) | ⇒ Acronicta indica Moore, 1857 |
| Acronicta hasta Guenée, 1852 | Cherry Dagger |
| Acronicta impleta Walker, 1856 | Engelmann's milkweed |
| Acronicta impressa Walker, 1856 | Impressed Dagger |
| Acronicta insularis | Cattail Caterpillar Moth |
| Acronicta lepusculina Guenée, 1852 | Cottonwood Dagger |
| Acronicta lobeliae Guenée, 1852 | Great Oak Dagger |
| Acronicta lupini Grote, 1873 | Lupine Dagger |
| Acronicta mansueta (Smith, 1897) | ⇒ Acronicta falcula Grote, 1877 |
| Acronicta morula Grote & Robi..., 1868 | Ochre Dagger |
| Acronicta radcliffei Harvey, 1875 | Radcliffe'S Dagger |
| Acronicta rubricoma Guenée, 1852 | Hackberry Dagger |
| Acronicta strigulata Smith, 1897 | Lace sole |
| Acronicta superans Guenée, 1852 | Mottled plum-tree dagger moth |
| Actebia (Protexarnis) squalida Grote, 1873 | |
| Actebia balanitis (Grote, 1873) | ⇒ Protexarnis balanitis Grote, 1873 |
| Adita chionanthi (Abbot & Smith, 1797) | ⇒ Sympistis chons J.T.Troubridge, 2008 |
| Admetovis icarus Crabo & Schmidt, 2018 | |
| Adonisea acutilinea Grote, 1878 | |
| Adonisea cumatilis Grote, 1865 | |
| Adonisea jaguarina Guenée, 1852 | |
| Adonisea masoni Smith, 1896 | |
| Adonisea meadi Grote, 1873 | |
| Adonisea regia Strecker, 1876 | |
| Adonisea walsinghami Edwards, 1881 | |
| Agnorisma badinodis Grote, 1874 | Pale Banded Dart |
| Agnorisma bollii Grote, 1881 | Bolle´s Dart Moth |
| Agnorisma bugrai Koçak, 1983 | Collard Dart |
| Agriopodes teratophora (Herrich-Schä..., 1853) | ⇒ Anterastria teratophora Herrich-Schä..., 1854 |
| Agrochola (Sunira) bicolorago Guenée, 1852 | Bicolored Sallow |
| Agrochola purpurea Grote, 1874 | |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis antica Crabo & Lafo..., 2004 | Burrowing Toads |
| Agrotis daedalus Smith, 1890 | |
| Agrotis longicornis Lafontaine &..., 2004 | |
| Agrotis mollis (Walker, 1870) | ⇒ Euxoa emolliens Hampson, 1905 |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis orthogonia Morris, 1876 | Pale Western Cutworm |
| Agrotis poliochroa Hampson, 1906 | |
| Agrotis rileyana Morrison, 1875 | |
| Agrotis vancouverensis Grote, 1873 | Sensitive fern |
| Agrotis venerabilis Walker, 1856 | Dusky Cutworm |
| Agrotis vetusta Walker, 1856 | Muted Dart |
| Agrotis volubilis Harvey, 1874 | Blackspotted flounder |
| Aletia oxygala (Grote, 1881) | ⇒ Mythimna oxygala Grote, 1881 |
| Alypia langtoni Couper, 1865 | Fireweed caterpillar |
| Alypia langtonii Couper., 1865 | Fireweed Caterpillar |
| Alypia ridingsii Grote, 1864 | Mountain Forester |
| Amphipoea americana Speyer, 1875 | American Ear |
| Amphipyra (Amphipyra) tragopoginis Clerck, 1759 | Mouse |
| Amphipyra pyramidoides Guenée, 1852 | American Copper Underwing |
| Anagrapha falcifera Kirby, 1837 | Celery Looper |
| Anaplectoides pressus Grote, 1874 | Dappled Dart |
| Anarta (Calocestra) farnhami Grote, 1873 | |
| Anarta (Calocestra) melanopa (Thunberg, 1791) | ⇒ Hadula melanopa Thunberg, 1791 |
| Anarta (Calocestra) trifolii (Hufnagel, 1766) | ⇒ Nutmeg trifolii Hufnagel, 1766 |
| Anarta crotchii Grote, 1880 | |
| Anarta hamata McDunnough, 1930 | Spruce snail |
| Anarta luteola (Grote & Robi..., 1865) | ⇒ Coranarta luteola Grote & Robi..., 1865 |
| Anarta nigrolunata Packard, 1867 | |
| Anarta oregonica Grote, 1881 | |
| Anathix puta Grote, 1868 | Bay whiff |
| Androloma maccullochii Kirby, 1837 | Maccullochs Forester |
| Andropolia aedon Grote, 1880 | |
| Andropolia contacta Walker, 1856 | Canadian Giant |
| Andropolia diversilineata Grote, 1877 | Threespot flounder |
| Andropolia theodori Grote, 1878 | |
| Anicla beata Grote, 1883 | |
| Anicla espoetia Dyar, 1910 | |
| Anicla exuberans J. B. Smith, 1898 | Exuberant Dart Moth |
| Anicla mus Lafontaine, 2004 | |
| Anicla tenuescens Smith, 1890 | |
| Anicla tepperi Smith, 1888 | Black-girdled Dart Moth |
| Anterastria teratophora Herrich-Schä..., 1854 | Gray Marvel |
| Apamea (Apamea) sordens Hufnagel, 1766 | Atlantic sole |
| Apamea sordens finitima Guenée, 1852 | Bordered Apamea |
| Apamea (Apamea) zeta Treitschke, 1825 | Exile |
| Apamea alia Guenée, 1852 | Fox Apamea |
| Apamea alticola (Smith, 1891) | ⇒ Apamea zeta Treitschke, 1825 |
| Apamea amputatrix Fitch, 1857 | Yellow Headed Cutworm Moth |
| Apamea antennata Smith, 1890 | Lizard beetles |
| Apamea apamiformis Guenée, 1852 | Rice worm |
| Apamea atrosuffusa Barnes & McD..., 1913 | California tonguefish |
| Apamea auranticolor Grote, 1873 | |
| Apamea burgessi Morrison, 1874 | Burgess' Apamea Moth |
| Apamea cariosa Guenée, 1852 | Nondescript Dagger Moth |
| Apamea cinefacta (Grote, 1881) | ⇒ Apamea sordens Hufnagel, 1766 |
| Apamea cogitata (Smith, 1891) | ⇒ Apamea dubitans Walker, 1856 |
| Apamea commoda Walker, 1857 | Florida Bog Frog |
| Apamea conradi (Grote, 1879) | ⇒ Apamea inficita Walker, 1857 |
| Apamea contradicta Smith, 1895 | Northern Banded Quaker |
| Apamea cuculliformis Grote, 1875 | |
| Apamea devastator Brace, 1819 | Glassy cutworm |
| Apamea dubitans Walker, 1856 | Doubtful Agroperina |
| Apamea indocilis Walker, 1856 | Ignorant Apamea |
| Apamea inficita Walker, 1857 | Lined Quaker |
| Apamea inordinata Morrison, 1875 | Mexican Smilisca |
| Apamea lignicolora Guenée, 1852 | Wood-colored Apamea |
| Apamea longula Grote, 1879 | |
| Apamea niveivenosa Grote, 1879 | Filefishes |
| Apamea occidens Grote, 1878 | Western Apamea |
| Apamea ophiogramma Esper, 1794 | Double Lobed |
| Apamea parcata (Smith, 1903) | ⇒ Apamea commoda Walker, 1857 |
| Apamea plutonia Grote, 1883 | Dusky Apamea |
| Apamea scoparia Mikkola, Mus..., 2000 | Brown tonguesole |
| Apamea spaldingi Smith, 1909 | Spalding´s Apamea |
| Apamea unita Smith, 1904 | |
| Aplectoides arufa | |
| Archanara oblonga Grote, 1882 | Oblong Sedge Borer |
| Aseptis binotata Walker, 1865 | Rusty Shoulder Knot Moth |
| Aseptis bultata Smith, 1906 | |
| Aseptis characta Grote, 1880 | |
| Aseptis dilara Strecker, 1899 | Kamchatka flounder |
| Aseptis fumosa Grote, 1879 | |
| Aseptis geminimacula Dyar, 1904 | |
| Aspila belladonna Edwards, 1881 | |
| Aspila oregonica Edwards, 1875 | |
| Athetis euxoa Krüger, 2001 | |
| Autographa ampla Walker, 1857 | Broken-banded Y |
| Autographa californica Speyer, 1875 | Alfalfa Looper |
| Autographa mappa Grote & Robi..., 1868 | Bay whiff |
| Autographa metallica Grote, 1875 | Shanded Gold Spot |
| Autographa precationis Guenée, 1852 | Common Looper |
| Autographa pseudogamma Grote, 1875 | Delicate Silver Y |
| Autographa sansoni Dod, 1910 | Alberta Beauty |
| Autographa valba Ottolengui, 1902 | |
| Bellura obliqua Walker, 1865 | Cattail Borer |
| Brachylomia algens Grote, 1878 | |
| Brachylomia discinigra Walker, 1856 | Black-disc Sallow |
| Brachylomia discolor Smith, 1904 | |
| Brachylomia elda French, 1887 | |
| Brachylomia populi Strecker, 1898 | Reticulate spikefish |
| Capsula subflava (Grote, 1882) | ⇒ Globia subflava Grote, 1882 |
| Caradrina (Platyperigea) montana Bremer, 1861 | Civil Rustic |
| Caradrina camina Smith, 1894 | Filefishes |
| Caradrina distinctoides Poole, 1989 | Filefishes |
| Caradrina meralis Morrison, 1875 | Rare Sand Quaker |
| Catabena lineolata Walker, 1865 | Fine Lined Sallow |
| Cerapoda stylata (Smith, 1894) | ⇒ Rhizagrotis stylata J. B. Smith, 1893 |
| Cerastis salicarum Walker, 1857 | Willow Dart |
| Cerma cerintha Treitschke, 1826 | Straightsnout filefish |
| Cerma flavidior Barnes & McD..., 1911 | |
| Cerma olivacea (Smith, 1891) | ⇒ Cucullia convexipennis Grote & Robi..., 1868 |
| Chersotis juncta Grote, 1878 | Stirrup and Spear Dart Moth |
| Chorizagrotis auxiliaris (Grote, 1873) | ⇒ Euxoa auxiliaris Grote, 1873 |
| Chorizagrotis inconcinna Harvey, 1875 | |
| Chorizagrotis terrealis Grote, 1882 | |
| Chrysodeixis (Chrysodeixis) eriosoma Doubleday, 1843 | Cabbage semi-looper |
| Chrysodeixis includens Walker, 1857 | Cutworm Moth |
| Chytonix palliatricula Guenée, 1852 | Cloaked Marvel |
| Condica andrena Smith, 1911 | Rough triggerfish |
| Condica discistriga Smith, 1894 | Filefishes |
| Copablepharon absidum Harvey, 1875 | Columbia Dune Moth |
| Copablepharon albisericea Blanchard, 1976 | Ocean triggerfish |
| Copablepharon canariana McDunnough, 1932 | Cushion draba |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| Copablepharon longipenne Grote, 1882 | Coffee cliffbrake |
| Copablepharon opleri Lafontaine, 2004 | |
| Copablepharon spiritum Crabo & Fauske, 2004 | Leiopelmatids |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Copicucullia astigma Smith, 1894 | |
| Copicucullia eulepis (Grote, 1876) | ⇒ Cucullia eulepis Grote, 1876 |
| Cosmia (Calymnia) calami Harvey, 1876 | American Dun Bar |
| Cosmia (Calymnia) elisae Lafontaine &..., 2003 | Black triggerfish |
| Cosmia (Calymnia) praeacuta Smith, 1894 | Filefishes |
| Cosmia punctirena | |
| Crambodes talidiformis Guenée, 1852 | Verbena Moth |
| Crassivesica bochus (Morrison, 1874) | ⇒ Euxoa bochus Morrison, 1874 |
| Crocigrapha normani Grote, 1874 | Climbing cherry cutworm |
| Cryphia cuerva Barnes, 1907 | Cryphia Moth |
| Cryphia olivacea Smith, 1891 | Lizard beetles |
| Cucullia albida Smith, 1894 | |
| Cucullia anthocharis Boursin, 1969 | |
| Cucullia antipoda Strecker, 1877 | |
| Cucullia dentilinea (Smith, 1899) | ⇒ Dolocucullia dentilinea Smith, 1899 |
| Cucullia dorsalis Smith, 1892 | Planehead filefish |
| Cucullia eurekae Poole, 1995 | Pacific plaice |
| Cucullia florea Guenée, 1852 | Gray Hooded Owlet |
| Cucullia intermedia Speyer, 1870 | Dusky Hooded Owlet |
| Cucullia laetifica Lintner, 1875 | Fringed filefish |
| Cucullia luna Morrison, 1875 | |
| Cucullia montanae Grote, 1882 | Coffee cliffbrake |
| Cucullia omissa Dod, 1916 | Black durgon |
| Cucullia oribac Barnes, 1904 | Foureyed sole |
| Cucullia postera Guenée, 1852 | |
| Cucullia similaris Smith, 1892 | Planehead filefish |
| Cucullia speyeri Lintner, 1874 | Speyer'S Cucullia Moth |
| Cucullia strigata (Smith, 1892) | ⇒ Cucullia oribac Barnes, 1904 |
| Dargida diffusa Walker, 1856 | Wheat Head Armyworm |
| Dargida terrapictalis Buckett, 1967 | |
| Diarsia calgary J.B. Smith, 1898 | Calgary Dart |
| Diarsia rosaria Grote, 1878 | Rosey Dart |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Discestra alta (Barnes & Ben..., 1924) | ⇒ Anarta alta Barnes & Ben..., 1942 |
| Discestra crotchii (Grote, 1880) | ⇒ Anarta crotchii Grote, 1880 |
| Discestra hamata (McDunnough, 1930) | ⇒ Anarta hamata McDunnough, 1930 |
| Discestra mutata (Dod, 1913) | ⇒ Anarta mutata Dod, 1913 |
| Discestra obesula (Smith, 1904) | ⇒ Anarta obesula Smith, 1904 |
| Discestra oregonica (Grote, 1881) | ⇒ Anarta oregonica Grote, 1881 |
| Egira crucialis Harvey, 1875 | |
| Egira curialis Grote, 1873 | Citrus cutworm |
| Egira dolosa Grote, 1880 | Grieving Woodling |
| Egira hiemalis Grote, 1874 | |
| Egira perlubens Grote, 1881 | Brown Woodling |
| Egira rubrica Harvey, 1878 | Bridle triggerfish |
| Egira variabilis (Smith, 1891) | ⇒ Egira variolosus Gyulai , L. ..., 2011 |
| Enargia decolor Walker, 1858 | Aspen Twoleaf Tier |
| Enargia infumata Grote, 1874 | Lesser Eyed Sallow |
| Eosphoropteryx thyatyroides Guenée, 1852 | Pink-patched Looper |
| Epidemas cinerea Smith, 1894 | |
| Epidemas obscura (Smith, 1903) | ⇒ Epidemas obscurus Smith, 1903 |
| Eremobina claudens Walker, 1857 | Dark-winged Quaker |
| Euagrotis beata (Grote, 1883) | ⇒ Anicla beata Grote, 1883 |
| Euagrotis exuberans (Smith, 1898) | ⇒ Anicla exuberans J. B. Smith, 1898 |
| Euagrotis tepperi (Smith, 1887) | ⇒ Anicla tepperi Smith, 1888 |
| Eucoptocnemis fimbriaris Guenée, 1852 | Fringed Dart |
| Euplexia benesimilis McDunnough, 1922 | American angle shade |
| Eupsilia tristigmata Grote, 1877 | Brown fruitworm |
| Eurois astricta Morrison, 1874 | Great brown dart |
| Eurois nigra Smith, 1894 | Great Black Dart Moth |
| Eurois occulta Linnaeus, 1758 | Great Brocade |
| Eurois praefixa (Morrison, 1875) | ⇒ Richia praefixa Morrison, 1875 |
| Eutolype damalis (Grote, 1880) | ⇒ Psaphida damalis Grote, 1879 |
| Eutricopis nexilis Morrison, 1875 | White-spotted Midget |
| Euxoa (Chorizagrotis) auxiliaris Grote, 1873 | Army cutworm |
| Euxoa (Chorizagrotis) lidia (Stoll, 1782) | ⇒ Euxoa adumbrata Eversmann, 1842 |
| Euxoa (Euxoa) ochrogaster Guenée, 1852 | Red-backed Cutworm |
| Euxoa (Heteroeuxoa) olivia Morrison, 1876 | Spotted triggerfish |
| Euxoa (Heteroeuxoa) septentrionalis Walker, 1865 | |
| Euxoa (Longivesica) divergens Walker, 1857 | Divergent Dart |
| Euxoa (Longivesica) edictalis Smith, 1893 | |
| Euxoa (Longivesica) messoria Harris, 1841 | Dark-sided Cutworm |
| Euxoa (Orosagrotis) flavicollis Smith, 1888 | Yellow-collared Dart Moth |
| Euxoa (Orosagrotis) maimes Smith, 1903 | Southern peacock sole |
| Euxoa (Orosagrotis) manitobana McDunnough, 1925 | Desert draba |
| Euxoa (Orosagrotis) montana Morrison, 1875 | |
| Euxoa (Orosagrotis) perolivalis Smith, 1905 | Macao sole |
| Euxoa (Orosagrotis) perpolita Morrison, 1876 | Polished Dart |
| Euxoa (Orosagrotis) ridingsiana Grote, 1875 | |
| Euxoa (Orosagrotis) taura Smith, 1905 | |
| Euxoa (Palaeoeuxoa) biformata Smith, 1910 | |
| Euxoa (Palaeoeuxoa) intermontana Lafontaine, 1975 | |
| Euxoa (Palaeoeuxoa) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa (Pleonectopoda) atomaris Smith, 1890 | |
| Euxoa (Pleonectopoda) aurulenta Smith, 1890 | Dune Cutworm |
| Euxoa (Pleonectopoda) lewisi Grote, 1873 | Hooked filefish |
| Euxoa (Pleonectopoda) pestula Smith, 1904 | |
| Euxoa (Pleonectopoda) pleuritica Grote, 1876 | Conglomerated Dart |
| Euxoa (Pleonectopoda) scandens Riley, 1869 | White cutworm |
| Euxoa (Pleonectopoda) simona McDunnough, 1932 | Cushion draba |
| Euxoa (Pleonectopoda) tristicula Morrison, 1875 | Early cutworm |
| Euxoa (Pleonectopoda) vallus Smith, 1900 | |
| Euxoa (Pleonectopoda) vetusta Walker, 1865 | |
| Euxoa agema Strecker, 1899 | Kamchatka flounder |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa antica Lafontaine, 1974 | |
| Euxoa atristrigata Smith, 1890 | |
| Euxoa aurantiaca Lafontaine, 1974 | |
| Euxoa auripennis Lafontaine, 1974 | |
| Euxoa basalis Grote, 1879 | |
| Euxoa bochus Morrison, 1874 | |
| Euxoa brevipennis Smith, 1887 | |
| Euxoa campestris Grote, 1875 | Flat Dart |
| Euxoa castanea Lafontaine, 1981 | Boxfishes |
| Euxoa catenula Grote, 1879 | |
| Euxoa choris Harvey, 1876 | |
| Euxoa cicatricosa Grote & Robi..., 1865 | Halibuts |
| Euxoa cinereopallidus Smith, 1903 | Southern peacock sole |
| Euxoa citricolor Grote, 1880 | |
| Euxoa comosa Morrison, 1876 | Spotted triggerfish |
| Euxoa cona Strecker, 1898 | Reticulate spikefish |
| Euxoa costata Grote, 1876 | |
| Euxoa dargo Strecker, 1898 | Reticulate spikefish |
| Euxoa declarata Walker, 1865 | Clear Dart |
| Euxoa detersa Walker, 1856 | Rubbed Dart |
| Euxoa difformis Smith, 1900 | |
| Euxoa dodi McDunnough, 1923 | Openground draba |
| Euxoa excogita (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa flavidens Smith, 1888 | |
| Euxoa furtivus Smith, 1890 | |
| Euxoa hollemani Grote, 1874 | |
| Euxoa idahoensis Grote, 1878 | |
| Euxoa immixta Grote, 1880 | Mixed Dart |
| Euxoa infausta Walker, 1865 | |
| Euxoa infracta Morrison, 1875 | |
| Euxoa inscripta Lafontaine, 1981 | Boxfishes |
| Euxoa intrita Morrison, 1874 | |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa lillooet McDunnough, 1927 | Lake Tahoe draba |
| Euxoa lineifrons Smith, 1890 | |
| Euxoa lucida Barnes & McD..., 1912 | Sand sole |
| Euxoa medialis Smith, 1888 | Median-banded Dart |
| Euxoa melura McDunnough, 1932 | Cushion draba |
| Euxoa misturata Smith, 1890 | |
| Euxoa mitis Smith, 1894 | Filefishes |
| Euxoa moerens Grote, 1883 | |
| Euxoa munis Grote, 1879 | |
| Euxoa murdocki Smith, 1890 | |
| Euxoa nevada Smith, 1900 | |
| Euxoa niveilinea Grote, 1882 | |
| Euxoa nostra Smith, 1890 | |
| Euxoa obeliscoides Guenée, 1852 | Obelisk Dart |
| Euxoa oblongistigma Smith, 1887 | |
| Euxoa olivalis Grote, 1879 | |
| Euxoa pallipennis Smith, 1887 | |
| Euxoa perexcellens Grote, 1875 | |
| Euxoa pimensis Barnes & McD..., 1910 | |
| Euxoa plagigera Morrison, 1874 | |
| Euxoa pluralis Grote, 1878 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa recula Harvey, 1876 | |
| Euxoa redimicula Morrison, 1874 | Fillet Dart |
| Euxoa rockburnei Hardwick, 1973 | Honeycomb cowfish |
| Euxoa rufula Smith, 1887 | Mountain Dart Moth |
| Euxoa satiens Smith, 1890 | |
| Euxoa satis Harvey, 1876 | |
| Euxoa servita Smith, 1895 | |
| Euxoa servitus (Smith, 1895) | ⇒ Euxoa servita Smith, 1895 |
| Euxoa siccata Smith, 1893 | |
| Euxoa silens Grote, 1875 | Silent Dart |
| Euxoa spumata McDunnough, 1940 | |
| Euxoa stigmatalis Smith, 1900 | |
| Euxoa subandera Lafontaine, 1987 | |
| Euxoa teleboa Smith, 1890 | |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Euxoa tronella (Smith, 1903) | ⇒ Euxoa tronellus Smith, 1903 |
| Euxoa tronellus Smith, 1903 | Southern peacock sole |
| Faronta diffusa (Walker, 1856) | ⇒ Dargida diffusa Walker, 1856 |
| Felita jaculifera | Dingy Cutworm Moth |
| Feltia (Feltia) evanidalis Grote, 1878 | |
| Feltia (Feltia) herilis Grote, 1873 | Herald Dart |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subterranea Fabricius, 1794 | Granulate Cutworm |
| Feltia (Trichosilia) mollis Walker, 1857 | Soft Dart |
| Fishia connecta Smith, 1894 | Filefishes |
| Fishia discors Grote, 1881 | Garden cutworm |
| Fishia evelina (French, 1888) | ⇒ Fishia discors Grote, 1881 |
| Fishia yosemitae Grote, 1873 | Dark Gray Fishia |
| Globia subflava Grote, 1882 | Subflava Sedge Borer Moth |
| Graphiphora augur Fabricius, 1775 | Double Dart |
| Grotella sampita Barnes, 1907 | Bluefin filefish |
| Hada sutrina Grote, 1881 | Sutrina Moth |
| Hadena (Hadena) variolata Smith, 1888 | |
| Hadena barnesii | |
| Hadena capsularis Guenée, 1852 | Capsule Moth |
| Hadena circumvadis Smith, 1902 | Flat cardiapod |
| Hadena ectrapela Smith, 1898 | |
| Hadena lafontainei Troubridge &..., 2002 | |
| Hadena segregata Smith, 1893 | |
| Hadenella pergentilis Grote, 1883 | |
| Hadula trifolii Hufnagel, 1766 | Clover cutworm |
| Harutaeographa adusta Hreblay & L...., 1999 | |
| Helicoverpa zea Boddie, 1850 | American bollworm |
| Heliocheilus paradoxus Grote, 1865 | Paradoxical Grass Moth |
| Heliothis (Heliothis) belladonna H. Edwards, 1881 | Fivelined tonguesole |
| Heliothis (Heliothis) oregonica H. Edwards, 1875 | Oregon Gem |
| Heliothis (Heliothis) phloxiphaga Grote & Robi..., 1867 | Artematopid beetles |
| Hexorthodes agrotiformis Grote, 1881 | |
| Hillia iris Zetterstedt, 1839 | Iris Rover |
| Hillia maida Dyar, 1904 | Plain Rover Moth |
| Homoglaea carbonaria Harvey, 1876 | |
| Homoglaea dives Smith, 1907 | |
| Homoglaea hircina Morrison, 1875 | Goat sallow |
| Homohadena fifia (Dyar, 1904) | ⇒ Sympistis fifia Dyar, 1904 |
| Homohadena infixa (Walker, 1856) | ⇒ Sympistis infixa Walker, 1856 |
| Homorthodes rectiflava Smith, 1908 | |
| Homorthodes reliqua Smith, 1899 | |
| Hoplolythra discistriga Smith, 1903 | |
| Hydraecia medialis J.B. Smith, 1892 | Planehead filefish |
| Hydraecia obliqua Harvey, 1876 | Norwegian topknot |
| Hydraecia pallescens (Smith, 1899) | ⇒ Hydraecia medialis J.B. Smith, 1892 |
| Hydraecia stramentosa Guenée, 1852 | |
| Hydroeciodes serrata Grote, 1880 | |
| Hypocoena inquinata Guenée, 1852 | Sordid Wainscot |
| Hypocoena rufostrigata Packard, 1806 | Brown-streaked Rustic |
| Hyppa brunneicrista Smith, 1902 | |
| Hyppa contrasta McDunnough, 1946 | Summer Hyppa Moth |
| Hyppa xylinoides Guenée, 1852 | Common Hyppa |
| Ipimorpha pleonectusa Grote, 1873 | Blackcheeked aspen caterpillar |
| Lacanobia atlantica Grote, 1874 | Atlantic Arches |
| Lacanobia grandis Guenée, 1852 | Grand Arches |
| Lacanobia nevadae Grote, 1876 | Nevada Arches |
| Lacanobia subjuncta Grote & Robi..., 1868 | Bay whiff |
| Lacinipolia comis Grote, 1876 | |
| Lacinipolia cuneata Grote, 1873 | Cuneate Arches |
| Lacinipolia laudabilis Guenée, 1852 | Laudable Arches |
| Lacinipolia longiclava Smith, 1891 | Lizard beetles |
| Lacinipolia lorea Guenée, 1852 | Bridled Arches |
| Lacinipolia lustralis Grote, 1875 | The Lustral Mamestra |
| Lacinipolia meditata Grote, 1873 | Pink-backed cutworm |
| Lacinipolia naevia Smith, 1898 | |
| Lacinipolia olivacea Morrison, 1874 | Olive Arches |
| Lacinipolia pensilis Grote, 1874 | |
| Lacinipolia renigera Stephens, 1829 | Bristly Cutworm |
| Lacinipolia sharonae Selman & Leu..., 2000 | Southern puffer |
| Lacinipolia stricta Walker, 1865 | Brown Arches Moth |
| Lacinipolia strigicollis Wallengren, 1860 | Collared Arches Moth |
| Lacinipolia teligera Morrison, 1875 | |
| Lacinipolia vicina Grote, 1874 | Neighborly Arches |
| Lasiestra coloradensis (Richards, 1943) | ⇒ Lasionycta coloradensis Richards, 1943 |
| Lasiestra discolor (Smith, 1899) | ⇒ Lasionycta klotsi Richards, 1943 |
| Lasiestra klotsi (Smith, 1899) | ⇒ Lasionycta klotsi Richards, 1943 |
| Lasionycta coloradensis Richards, 1943 | Botete |
| Lasionycta conjugata Smith, 1899 | Dart-poison Frogs |
| Lasionycta discolor (Smith, 1899) | ⇒ Lasionycta klotsi Richards, 1943 |
| Lasionycta impingens (Walker, 1857) | ⇒ Lasiestra impingens Walker, 1857 |
| Lasionycta klotsi Richards, 1943 | |
| Lasionycta leucocycla Staudinger, 1857 | Dart-poison Frogs |
| Lasionycta mutilata (Smith, 1898) | ⇒ Lasionycta rainieri Smith, 1900 |
| Lasionycta perplexa (Smith, 1887) | ⇒ Lasionycta perplexella Crabo & Lafo..., 2009 |
| Lasionycta promulsa (Morrison, 1875) | ⇒ Lasionycta pulverea Crabo & Lafo..., 2009 |
| Lasionycta subalpina Crabo & Lafo..., 2009 | Cuban Treefrog |
| Lasionycta subfuscula (Grote, 1873) | ⇒ Lasionycta taigata Lafontaine, 1988 |
| Lasionycta uniformis (Smith, 1894) | ⇒ Lasiestra uniformis Smith, 1893 |
| Lateroligia ophiogramma (Esper, 1794) | ⇒ Apamea ophiogramma Esper, 1794 |
| Lathosea pulla (Grote, 1881) | ⇒ Cucullia pulla Grote, 1881 |
| Leucania anteroclara Smith, 1902 | |
| Leucania anteroclera | |
| Leucania commoides Guenée, 1852 | Comma Wainscot |
| Leucania dia (Grote, 1879) | ⇒ Leucania insueta Guenée, 1852 |
| Leucania insueta Guenée, 1852 | Heterodox Wainscot |
| Leucania lapidaria Grote, 1876 | |
| Leucania multilinea Walker, 1856 | Engelmann's milkweed |
| Leucania phragmitidicola Guenée, 1852 | Phragmites Wainscot |
| Lithacodia carneola (Guenée, 1852) | ⇒ Pseudeustrotia carneola Guenée, 1852 |
| Litholomia napaea Morrison, 1874 | False Pinion |
| Lithomoia germana Morrison, 1874 | American Brindle |
| Lithophane fagina Morrison, 1874 | Hoary Pinion |
| Lithophane georgii Grote, 1875 | George´s Pinion |
| Lithophane innominata Smith, 1893 | Nameless Pinion |
| Lithophane pertorrida McDunnough, 1942 | |
| Lomilysis discolor (Smith, 1904) | ⇒ Brachylomia discolor Smith, 1904 |
| Luperina enargia (Barnes & Ben..., 1926) | ⇒ Resapamea enargia Barnes & Ben..., 1926 |
| Luperina innota (Smith, 1908) | ⇒ Resapamea mammuthus L.G. Crabo, 2013 |
| Luperina passer (Guenée, 1852) | ⇒ Resapamea passer Guenée, 1852 |
| Magusa divaricata (Grote, 1874) | ⇒ Magusa orbifera Walker, 1857 |
| Mamestra configurata Walker, 1856 | Bertha Armyworm |
| Megalographa biloba Stephens, 1830 | Bilobed Looper |
| Megasema bolteri Smith, 1898 | |
| Melanchra adjuncta Boisduval, 1841 | Hitched Arches |
| Melanchra picta Harris, 1841 | Zebra caterpillar |
| Melanchra pulverulenta Smith, 1888 | |
| Mesogona olivata Harvey, 1874 | False-eye toby |
| Mythimna (Pseudaletia) unipuncta Haworth, 1809 | American armyworm |
| Mythimna oxygala Grote, 1881 | Lesser Wainscot |
| Neleucania bicolorata Grote, 1881 | |
| Neleucania patricia Grote, 1880 | |
| Neleucania praegracilis Grote, 1877 | Threespot flounder |
| Neoligia invenusta Troubridge &..., 2002 | Naked sole |
| Neoligia subjuncta Smith, 1898 | Connected Brocade |
| Neoligia tonsa Grote, 1880 | |
| Nephelodes carminata Smith, 1890 | |
| Nephelodes minians Guenée, 1852 | Bronzed Cutworm |
| Noctua pronuba Linnaeus, 1758 | Common yellow underwing moth |
| Ochropleura implecta Lafontaine, 1998 | American Flame-shouldered Dart |
| Oligia fractilinea (Grote, 1874) | ⇒ Mesapamea fractilinea Grote, 1874 |
| Oligia indirecta (Grote, 1875) | ⇒ Xylomoia indirecta Grote, 1875 |
| Oligia rampartensis (Dyar, 1923) | ⇒ Oligia violacea Grote, 1881 |
| Oligia tonsa (Grote, 1880) | ⇒ Neoligia tonsa Grote, 1880 |
| Oligia violacea Grote, 1881 | |
| Oncocnemis augustus (Harvey, 1875) | ⇒ Sympistis augustus Harvey, 1875 |
| Oncocnemis balteata (Smith, 1902) | ⇒ Sympistis balteata Smith, 1902 |
| Oncocnemis barnesii (Smith, 1899) | ⇒ Sympistis barnesii Smith, 1899 |
| Oncocnemis chorda (Grote, 1880) | ⇒ Sympistis collaris J.T.Troubridge, 2008 |
| Oncocnemis cibalis (Grote, 1880) | ⇒ Sympistis cibalis Grote, 1880 |
| Oncocnemis dayi (Grote, 1873) | ⇒ Sympistis dayi Grote, 1873 |
| Oncocnemis figurata (Harvey, 1875) | ⇒ Sympistis figurata Harvey, 1875 |
| Oncocnemis glennyi (Grote, 1873) | ⇒ Sympistis glennyi Grote, 1873 |
| Oncocnemis homogena (Grote, 1874) | ⇒ Sympistis homogena Grote, 1877 |
| Oncocnemis ibapahensis (Barnes & Ben..., 1924) | ⇒ Sympistis ibapahensis Barnes & Ben..., 1924 |
| Oncocnemis levis (Grote, 1880) | ⇒ Sympistis levis Grote, 1880 |
| Oncocnemis occata (Grote, 1874) | ⇒ Sympistis occata Grote, 1875 |
| Oncocnemis parvanigra (Blackmore, 1923) | ⇒ Sympistis parvanigra Blackmore, 1923 |
| Oncocnemis regina (Smith, 1902) | ⇒ Sympistis regina Smith, 1902 |
| Oncocnemis sandaraca (Buckett & Bauer, 1966) | ⇒ Sympistis sandaraca Buckett & Bauer, 1967 |
| Oncocnemis sanina (Smith, 1910) | ⇒ Sympistis sanina Smith, 1910 |
| Oncocnemis simplex (Smith, 1888) | ⇒ Sympistis simplex Smith, 1888 |
| Oncocnemis tenuifascia (Smith, 1888) | ⇒ Sympistis tenuifascia Smith, 1888 |
| Oncocnemis terminalis (Smith, 1888) | ⇒ Sympistis terminalis Smith, 1888 |
| Oncocnemis umbrifascia (Smith, 1894) | ⇒ Sympistis umbrifascia Smith, 1894 |
| Oria insularis Herrich-Schä..., 1898 | |
| Orthodes goodelli Grote, 1875 | Goodell′s Arches |
| Orthodes obscura Smith, 1888 | Obscure Quaker |
| Orthosia hibisci Guenée, 1852 | Green Fruitworm |
| Orthosia revicta Morrison, 1875 | Rusty whitesided caterpillar |
| Oxycnemis orbicularis Barnes & McD..., 1912 | |
| Pachnobia imperita Hübner, 1827 | |
| Pachnobia perquiritata Morrison, 1874 | |
| Panthea acronyctoides Walker, 1861 | Black Zigzag |
| Panthea furcilla Packard, 1864 | Eastern Panthea |
| Panthea gigantea French, 1890 | Banded leopard blowfish |
| Panthea virginaria (Grote, 1880) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea virginarius Grote, 1880 | Cascades Panthea |
| Papaipema nebris Guenée, 1852 | Common stalk borer |
| Papestra biren Goeze, 1781 | Glaucous Shears |
| Papestra brenda Barnes & McD..., 1916 | |
| Papestra cristifera Walker, 1858 | |
| Papestra quadrata Smith, 1891 | Lizard beetles |
| Parabagrotis exsertistigma Morrison, 1874 | |
| Parabagrotis formalis Grote, 1874 | |
| Paradiarsia littoralis Packard, 1867 | Labrador Dart Moth |
| Paralephana argyresthia Hampson, 1926 | |
| Parastichtis suspecta Hübner, 1817 | Squirrel Treefrog |
| Peridroma saucia Hübner, 1808 | Pearly Underwing |
| Phalaena chorebus Cramer, 1777 | |
| Photedes didonea Smith, 1894 | Filefishes |
| Plagiomimicus expallidus Grote, 1882 | |
| Platypolia anceps Stephens, 1850 | |
| Platypolia contadina Smith, 1894 | Filefishes |
| Platypolia mactata Guenée, 1852 | Adorable Brocade |
| Pleromelloida cinerea Smith, 1904 | Ashy Pleromelloida |
| Plusia magnimacula D. Handfield..., 2006 | Lowland Burrowing Treefrog |
| Plusia putnami Grote, 1873 | Lempke's gold spot |
| Polia (Chera) richardsoni Curtis, 1835 | |
| Polia discalis Grote, 1877 | Threespot flounder |
| Polia imbrifera Guenée, 1852 | Cloudy Arches |
| Polia nimbosa Guenée, 1852 | Stormy Arches |
| Polia nugatis Smith, 1898 | |
| Polia piniae Buckett & Bauer, 1966 | Burrfishes |
| Polia propodea McCabe, 1980 | |
| Polia purpurissata Grote, 1864 | Purple Arches |
| Polia rogenhoferi Möschler, 1870 | Burrfishes |
| Polychrysia morigera Edwards, 1887 | Disjunct Looper |
| Ponometia binocula Grote, 1875 | Prairie Bird-dropping Moth |
| Ponometia candefacta Hübner, 1831 | Olive Shaded Bird Dropping Moth |
| Ponometia elegantula Harvey, 1876 | Arizona Bird Dropping Moth |
| Ponometia semiflava Guenée, 1852 | Half Yellow Moth |
| Ponometia tortricina Zeller, 1872 | |
| Pronoctua craboi Lafontaine, 1998 | |
| Pronoctua peabodyae (Dyar, 1903) | ⇒ Pronoctua typica Smith, 1894 |
| Pronoctua typica Smith, 1894 | |
| Protagrotis niveivenosa (Grote, 1879) | ⇒ Apamea niveivenosa Grote, 1879 |
| Protexarnis balanitis Grote, 1873 | |
| Protogygia album Harvey, 1876 | |
| Protogygia elevata Smith, 1891 | Lizard beetles |
| Protogygia enalaga McDunnough, 1932 | Cushion draba |
| Protogygia enlaga | |
| Protogygia lagena Grote, 1875 | |
| Protogygia pallida Fauske & Laf..., 2004 | |
| Protogygia postera Fauske & Laf..., 2004 | |
| Protolampra brunneicollis Grote, 1864 | Brown-collared Dart |
| Protolampra rufipectus Morris, 1874 | Red-breasted Dart Moth |
| Protorthodes akalus (Strecker, 1899) | ⇒ Protorthodes incincta Morrison, 1874 |
| Protorthodes curtica Smith, 1890 | |
| Protorthodes eureka Barnes & Ben..., 1927 | Bermuda cowfish |
| Protorthodes incincta Morrison, 1874 | Banded Quaker |
| Protorthodes oviduca Guenée, 1852 | Ruddy Quaker |
| Pseudanarta caeca Dod, 1913 | Blotched porcupinefish |
| Pseudanarta crocea H. Edwards, 1875 | Sanddabs |
| Pseudanarta flava Grote, 1874 | |
| Pseudanarta flavidens Grote, 1879 | |
| Pseudeustrotia carneola Guenée, 1852 | Pink Barred Lithacodia |
| Pseudeva palligera Grote, 1881 | Western Unspotted Looper |
| Pseudeva purpurigera Walker, 1858 | Straight-lined Looper |
| Pseudorthosia variabilis (Grote, 1874) | ⇒ Dichagyris variabilis Grote, 1874 |
| Pyrrhia exprimens Walker, 1857 | Purple-lined Sallow |
| Raphia frater Grote, 1864 | Brother |
| Remigia virbia Cramer, 1780 | |
| Resapamea stipata Morrison, 1875 | Four-lined Borer |
| Rhabdorthodes pattersoni Crabo, 2018 | |
| Rhizagrotis albalis Grote, 1878 | |
| Rhizagrotis stylata J. B. Smith, 1893 | |
| Rhyacia (Rhyacia) clemens (Smith, 1890) | ⇒ Rhyacia quadrangula Zetterstedt, 1839 |
| Rhyacia (Rhyacia) quadrangula Zetterstedt, 1839 | |
| Rhynchagrotis exsertistigma Morris, 1874 | |
| Rhynchagrotis insularis (Grote, 1876) | ⇒ Parabagrotis insularis Grote, 1876 |
| Richia albicosta (Smith, 1888) | ⇒ Striacosta albicosta Smith, 1888 |
| Richia chortalis Harvey, 1875 | |
| Richia grotei (Franclemont ..., 1983) | ⇒ Dichagyris grotei Franclemont ..., 1983 |
| Richia parentalis Grote, 1879 | |
| Richia praefixa Morrison, 1875 | |
| Schinia acutilinea Grote, 1878 | Acute-Lined Flower Moth |
| Schinia aden Smith, 1896 | |
| Schinia aetheria (Barnes & McD..., 1912) | ⇒ Schinia sueta Grote, 1873 |
| Schinia albafascia Smith, 1883 | Western cordilleran bunchberry |
| Schinia chrysella Grote, 1874 | |
| Schinia chrysellus (Grote, 1874) | ⇒ Schinia chrysella Grote, 1874 |
| Schinia citrinella Grote & Robi..., 1870 | |
| Schinia crotchii (Hy. Edwards, 1875) | ⇒ Schinia cupes Grote, 1875 |
| Schinia cumatilis Grote, 1865 | Prairie Sage flower Moth |
| Schinia cupes Grote, 1875 | |
| Schinia edwardsii Smith, 1906 | |
| Schinia florida Guenée, 1852 | Evening Primrose Moth |
| Schinia gaurae J. E. Smith, 1797 | Clouded Crimson |
| Schinia grandimedia Hardwick, 1996 | Boneset Flower Moth |
| Schinia illustra Smith, 1906 | Dwarf silktassel |
| Schinia jaguarina Guenée, 1852 | Jaguar Flower Moth |
| Schinia lanul (Grote, 1874) | ⇒ Schinia chrysella Grote, 1874 |
| Schinia masoni (Smith, 1896) | ⇒ Schinia volupia Fitch, 1868 |
| Schinia meadi Grote, 1873 | Meads Flower Moth |
| Schinia mortua Grote, 1865 | |
| Schinia obliqua Smith, 1883 | Western cordilleran bunchberry |
| Schinia persimilis Grote, 1873 | Persimilis Flower Moth |
| Schinia reniformis Smith, 1900 | Silktassel |
| Schinia rosea (Grote, 1875) | ⇒ Schinia snowi Grote, 1875 |
| Schinia simplex Smith, 1891 | Pacific halibut |
| Schinia snowi Grote, 1875 | |
| Schinia sueta Grote, 1873 | |
| Schinia tertia Grote, 1874 | |
| Schinia unimacula Smith, 1891 | Pacific halibut |
| Schinia villosa Grote, 1864 | Little Dark Gem |
| Schinia villosa subatra | ⇒ Schinia villosa Grote, 1864 |
| Schinia volupia Fitch, 1868 | Painted Flower Moth |
| Schinia walsinghami H. Edwards, 1881 | Fivelined tonguesole |
| Scotogramma fervida Barnes & McD..., 1912 | Sand sole |
| Scotogramma harnardi Barnes & Ben..., 1924 | Khaki flounder |
| Scotogramma inconcinna Smith, 1887 | |
| Scotogramma orida Smith, 1903 | Southern peacock sole |
| Scotogramma submarina Grote, 1883 | |
| Selicanis cinereola Smith, 1900 | Selicanis Moth |
| Setagrotis pallidicollis (Grote, 1880) | ⇒ Setagrotis vocalis Grote, 1879 |
| Setagrotis radiola Hampson, 1903 | |
| Setagrotis vocalis Grote, 1879 | |
| Sideridis maryx Guenée, 1852 | Maroonwing |
| Sideridis rosea Harvey, 1874 | False-eye toby |
| Sideridis uscripta Smith, 1891 | Lizard beetles |
| Spaelotis bicava Lafontaine, 1998 | Western w-marked cutworm |
| Spaelotis clandestina Harris, 1841 | Clandestine Dart |
| Spodoptera exigua Hübner, 1808 | African armyworm |
| Spodoptera ornithogalli Guenée, 1852 | Cotton Cutworm |
| Stiria rugifrons Grote, 1874 | Yellow Sunflower Moth |
| Stretchia muricina Grote, 1876 | |
| Stretchia plusiaeformis H. Edwards, 1874 | Balloonfish |
| Stretchia plusiiformis H. Edwards, 1874 | |
| Striacosta albicosta Smith, 1888 | Western bean cutworm |
| Sympistis albifasciata Hampson, 1906 | |
| Sympistis amenthes J.T.Troubridge, 2008 | Eyed sole |
| Sympistis anweileri J.T.Troubridge, 2008 | North American Spadefoots |
| Sympistis augustus Harvey, 1875 | |
| Sympistis chalybdis Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis chionanthi J.E. Smith, 1797 | Fringe Tree Sallow |
| Sympistis chons J.T.Troubridge, 2008 | Eyed sole |
| Sympistis chorda Grote, 1880 | |
| Sympistis definita Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis dinalda J.B. Smith, 1908 | Broad-lined Sallow |
| Sympistis dunbari Harvey, 1876 | |
| Sympistis fifia Dyar, 1904 | |
| Sympistis figurata Harvey, 1875 | |
| Sympistis homogena Grote, 1877 | Threespot flounder |
| Sympistis insanina J.T.Troubridge, 2008 | Eyed sole |
| Sympistis opleri J.T.Troubridge, 2008 | Eyed sole |
| Sympistis pallidior Barnes, 1928 | |
| Sympistis poliochroa Hampson, 1906 | |
| Sympistis sandaraca Buckett & Bauer, 1967 | Chubby basketfish |
| Sympistis semicollaris Smith, 1909 | |
| Sympistis septu J.T.Troubridge, 2008 | Eyed sole |
| Syngrapha alias Ottolengui, 1902 | Hooked Silver Y |
| Syngrapha alticola Walker, 1857 | Alpine Beauty |
| Syngrapha angulidens Smith, 1891 | Lizard beetles |
| Syngrapha epigaea Grote, 1874 | Epigaea Looper |
| Syngrapha hochenwarthi Hochenwarth, 1785 | |
| Syngrapha ignea Grote, 1863 | Mountain Beauty |
| Syngrapha orophila Hampson, 1908 | |
| Syngrapha sackenii Grote, 1872 | Threespot flounder |
| Syngrapha viridisigma Grote, 1874 | Green-marked Looper |
| Tarache augustipennis Grote, 1875 | Narrow-winged Midget |
| Tarache knowltoni McDunnough, 1940 | |
| Tarachidia semiflava (Guenée, 1852) | ⇒ Ponometia semiflava Guenée, 1852 |
| Tesagrotis amia Dyar, 1903 | |
| Tesagrotis atrifrons Grote, 1873 | |
| Tesagrotis corrodera Smith, 1910 | Largescale tonguefish |
| Tesagrotis piscipellis Grote, 1878 | |
| Tholera americana Smith, 1894 | Filefishes |
| Trichocerapoda oblita Grote, 1877 | Threespot flounder |
| Trichocerapoda strigata Smith, 1891 | Lizard beetles |
| Trichoclea edwardsii (Smith, 1887) | ⇒ Anarta edwardsii Smith, 1888 |
| Trichoclea fuscolutea (Smith, 1892) | ⇒ Sideridis fuscolutea Smith, 1892 |
| Trichoplusia ni Hübner, 1803 | Cabbage Looper |
| Trichordestra liquida Grote, 1881 | |
| Trichordestra tacoma Strecker, 1900 | Tacoma Arches |
| Ufeus plicatus Grote, 1878 | Folded Satyr |
| Ufeus satyricus Grote, 1873 | Brown Satyr Moth |
| Ulolonche dilecta H. Edwards, 1884 | |
| Ulolonche disticha Morrison, 1875 | |
| Ulolonche orbiculata Smith, 1891 | Lizard beetles |
| Xanthia (Xanthia) togata Esper, 1788 | Pink-barred Sallow |
| Xanthia tatago Lafontaine &..., 2003 | Northern Red-legged Frog |
| Xestia (Anomogyna) fabulosa Ferguson, 1965 | |
| Xestia (Anomogyna) infimatis Grote, 1880 | |
| Xestia (Anomogyna) vernilis Grote, 1879 | |
| Xestia (Megasema) c-nigrum Linnaeus, 1758 | Cutworm Moth |
| Xestia (Pachnobia) speciosa Hübner, 1813 | |
| Xestia aequaeva glaucina Lafontaine &..., 1996 | |
| Xestia conchis Grote, 1879 | |
| Xestia oblata Morrison, 1875 | Rosy Dart |
| Xestia smithii Snellen, 1896 | Smith'S Dart |
| Xylena brucei Smith, 1892 | Bruce´s Swordgrass Moth |
| Xylena cineritia Grote, 1874 | Gray Swordgrass |
| Xylena curvimacula Morrison, 1874 | Dot-and-Dash Swordgrass |
| Xylena nupera Lintner, 1874 | American Swordgrass |
| Xylena thoracica Putnam-Cramer, 1886 | Acadian Swordgrass Moth |
| Xylomoia chagnoni Barnes & McD..., 1917 | Chiricahua Leopard Frog |
