| Abagrotis alampeta Franclemont, 1967 | |
| Abagrotis apposita Grote, 1878 | |
| Abagrotis baueri McDunnough, 1949 | |
| Abagrotis brunneipennis Grote, 1875 | Yankee Dart |
| Abagrotis crumbi (Franclemont, 1955) | ⇒ Abagrotis nefascia Smith, 1908 |
| Abagrotis cupida Grote, 1865 | Brown Climbing Cutworm |
| Abagrotis dickeli Lafontaine, 1998 | |
| Abagrotis discoidalis Grote, 1876 | |
| Abagrotis dodi McDunnough, 1927 | Lake Tahoe draba |
| Abagrotis duanca Smith, 1908 | Dark Dart Moth |
| Abagrotis erratica Smith, 1890 | |
| Abagrotis forbesi (Smith, 1908) | ⇒ Abagrotis nefascia Smith, 1908 |
| Abagrotis glenni Buckett, 1968 | |
| Abagrotis hermina Lafontaine, 1998 | |
| Abagrotis mirabilis Grote, 1879 | |
| Abagrotis nanalis Grote, 1881 | Nanalis Dart Moth |
| Abagrotis nefascia Smith, 1908 | Coastal Heathland Cutworm |
| Abagrotis orbis (Grote, 1876) | ⇒ Abagrotis variata Grote, 1876 |
| Abagrotis placida Grote, 1876 | Red cutworm |
| Abagrotis pulchrata Blackmore, 1925 | |
| Abagrotis reedi Buckett, 1969 | Reed´s Dart Moth |
| Abagrotis scopeops Dyar, 1904 | |
| Abagrotis trigona Smith, 1893 | Luteous Dart |
| Abagrotis turbulenta McDunnough, 1927 | Lake Tahoe draba |
| Abagrotis variata Grote, 1876 | |
| Abagrotis vittifrons Grote, 1864 | Pale-edged Dart Moth |
| Actebia (Actebia) fennica Tauscher, 1837 | Black Army Cutworm |
| Actebia (Protexarnis) squalida Grote, 1873 | |
| Actebia balanitis (Grote, 1873) | ⇒ Protexarnis balanitis Grote, 1873 |
| Adelphagrotis indeterminata Walker, 1865 | |
| Adelphagrotis stellaris Grote, 1880 | |
| Agnorisma bugrai Koçak, 1983 | Collard Dart |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis agis | |
| Agrotis antica Crabo & Lafo..., 2004 | Burrowing Toads |
| Agrotis atristrigata | |
| Agrotis basiflava | |
| Agrotis costata (Grote, 1876) | ⇒ Euxoa costata Grote, 1876 |
| Agrotis gravis Grote, 1874 | |
| Agrotis murdocki | |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis poliochroa Hampson, 1906 | |
| Agrotis ruta Eversmann, 1851 | |
| Agrotis satiens | |
| Agrotis stigmosa Morris, 1874 | Spotted Dart |
| Agrotis vancouverensis Grote, 1873 | Sensitive fern |
| Agrotis venerabilis Walker, 1856 | Dusky Cutworm |
| Agrotis vetusta Walker, 1856 | Muted Dart |
| Agrotis volubilis Harvey, 1874 | Blackspotted flounder |
| Anaplectoides prasina Denis & Schi..., 1775 | Green Arches |
| Anaplectoides pressus Grote, 1874 | Dappled Dart |
| Anicla exuberans J. B. Smith, 1898 | Exuberant Dart Moth |
| Anicla tepperi Smith, 1888 | Black-girdled Dart Moth |
| Aplectoides condita Guenée, 1852 | |
| Cerastis enigmatica Lafontaine &..., 1997 | Clawed Frogs |
| Cerastis salicarum Walker, 1857 | Willow Dart |
| Chersotis juncta Grote, 1878 | Stirrup and Spear Dart Moth |
| Coenophila opacifrons Grote, 1878 | Blueberry Dart |
| Copablepharon absidum Harvey, 1875 | Columbia Dune Moth |
| Copablepharon fuscum Troubridge &..., 1995 | Sand-verbena Moth |
| Copablepharon hopfingeri (Franclemont, 1954) | ⇒ Copablepharon viridisparsa Dod, 1916 |
| Copablepharon spiritum Crabo & Fauske, 2004 | Leiopelmatids |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Cryptocala acadiensis Bethune-Baker, 1869 | Catocaline dart |
| Diarsia calgary J.B. Smith, 1898 | Calgary Dart |
| Diarsia dislocata J.B. Smith, 1904 | Dislocated Dart |
| Diarsia esurialis Grote, 1881 | |
| Diarsia rosaria Grote, 1878 | Rosey Dart |
| Diarsia rubifera Grote, 1875 | Red Dart |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Eueretagrotis perattentus Grote, 1874 | Two-Spot Dart |
| Eugnorisma gaurax Pungeler, 1900 | |
| Eurois astricta Morrison, 1874 | Great brown dart |
| Eurois nigra Smith, 1894 | Great Black Dart Moth |
| Eurois occulta Linnaeus, 1758 | Great Brocade |
| Euxoa (Chorizagrotis) adumbrata Eversmann, 1842 | Honeycomb filefish |
| Euxoa (Chorizagrotis) auxiliaris Grote, 1873 | Army cutworm |
| Euxoa (Chorizagrotis) lidia (Stoll, 1782) | ⇒ Euxoa adumbrata Eversmann, 1842 |
| Euxoa (Euxoa) deserta Staudinger, 1870 | |
| 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 (Longivesica) sinelinea Hardwick, 1965 | |
| Euxoa (Orosagrotis) aberrans McDunnough, 1932 | Cushion draba |
| Euxoa (Orosagrotis) flavicollis Smith, 1888 | Yellow-collared Dart Moth |
| Euxoa (Orosagrotis) macrodentata Hardwick, 1965 | |
| Euxoa (Orosagrotis) maimes Smith, 1903 | Southern peacock sole |
| Euxoa (Orosagrotis) manitobana McDunnough, 1925 | Desert draba |
| Euxoa (Orosagrotis) nomas Erschoff, 1874 | Scrawled cowfish |
| Euxoa (Orosagrotis) perolivalis Smith, 1905 | Macao sole |
| Euxoa (Orosagrotis) perpolita Morrison, 1876 | Polished Dart |
| Euxoa (Orosagrotis) ridingsiana Grote, 1875 | |
| Euxoa (Orosagrotis) wilsoni Grote, 1873 | |
| Euxoa (Palaeoeuxoa) biformata Smith, 1910 | |
| Euxoa (Palaeoeuxoa) intermontana Lafontaine, 1975 | |
| Euxoa (Palaeoeuxoa) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa (Palaeoeuxoa) shasta Lafontaine, 1975 | |
| Euxoa (Pleonectopoda) altens McDunnough, 1946 | Whitestockinged black fly |
| Euxoa (Pleonectopoda) atomaris Smith, 1890 | |
| Euxoa (Pleonectopoda) extranea Smith, 1887 | |
| Euxoa (Pleonectopoda) lewisi Grote, 1873 | Hooked filefish |
| Euxoa (Pleonectopoda) macleani McDunnough, 1927 | Lake Tahoe draba |
| Euxoa (Pleonectopoda) pestula Smith, 1904 | |
| Euxoa (Pleonectopoda) pleuritica Grote, 1876 | Conglomerated Dart |
| Euxoa (Pleonectopoda) quebecensis Smith, 1900 | Quebec Dart |
| 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 (Pleonectopoda) westermanni Staudinger, 1857 | Spinybacked cowfish |
| Euxoa aequalis Harvey, 1876 | Kamchatka flounder |
| Euxoa agema Strecker, 1899 | Kamchatka flounder |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa angulirena (Smith, 1888) | ⇒ Euxoa brevipennis Smith, 1887 |
| Euxoa atristrigata Smith, 1890 | |
| Euxoa auripennis Lafontaine, 1974 | |
| Euxoa bicollaris Grote, 1878 | |
| Euxoa bochus Morrison, 1874 | |
| Euxoa brevipennis Smith, 1887 | |
| Euxoa brevistriga (Smith, 1888) | ⇒ Euxoa brevipennis Smith, 1887 |
| Euxoa brunneigera Grote, 1876 | |
| 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 cinereopallida (Smith, 1903) | ⇒ Euxoa cinereopallidus Smith, 1903 |
| Euxoa cinereopallidus Smith, 1903 | Southern peacock sole |
| Euxoa comosa Morrison, 1876 | Spotted triggerfish |
| Euxoa costata Grote, 1876 | |
| Euxoa dargo Strecker, 1898 | Reticulate spikefish |
| Euxoa declarata Walker, 1865 | Clear Dart |
| Euxoa difformis Smith, 1900 | |
| Euxoa excogita (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa furtivus Smith, 1890 | |
| Euxoa hollemani Grote, 1874 | |
| Euxoa idahoensis Grote, 1878 | |
| Euxoa incognita (Smith, 1893) | ⇒ Euxoa nomas Erschoff, 1874 |
| Euxoa infausta Walker, 1865 | |
| Euxoa infracta Morrison, 1875 | |
| Euxoa intrita Morrison, 1874 | |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa lillooet McDunnough, 1927 | Lake Tahoe draba |
| Euxoa loya (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa misturata Smith, 1890 | |
| Euxoa mitis Smith, 1894 | Filefishes |
| Euxoa munis Grote, 1879 | |
| Euxoa murdocki Smith, 1890 | |
| Euxoa nevada Smith, 1900 | |
| Euxoa nostra Smith, 1890 | |
| Euxoa obeliscoides Guenée, 1852 | Obelisk Dart |
| Euxoa oblongistigma Smith, 1887 | |
| Euxoa occidentalis Lafontaine &..., 1982 | Smooth trunkfish |
| Euxoa olivalis Grote, 1879 | |
| Euxoa pallidimacula Lafontaine, 1987 | |
| Euxoa pallipennis Smith, 1887 | |
| Euxoa perexcellens Grote, 1875 | |
| Euxoa plagigera Morrison, 1874 | |
| Euxoa pluralis Grote, 1878 | |
| Euxoa punctigera Walker, 1865 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa rockburnei Hardwick, 1973 | Honeycomb cowfish |
| Euxoa rufula Smith, 1887 | Mountain Dart Moth |
| Euxoa satiens Smith, 1890 | |
| Euxoa satis Harvey, 1876 | |
| Euxoa scotogrammoides McDunnough, 1932 | Cushion draba |
| Euxoa servita Smith, 1895 | |
| Euxoa servitus (Smith, 1895) | ⇒ Euxoa servita Smith, 1895 |
| Euxoa setonia McDunnough, 1927 | Lake Tahoe draba |
| Euxoa silens Grote, 1875 | Silent Dart |
| Euxoa simulata McDunnough, 1946 | Whitestockinged black fly |
| Euxoa subandera Lafontaine, 1987 | |
| Euxoa terrenus Smith, 1900 | |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Feltia (Feltia) herilis Grote, 1873 | Herald Dart |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subgothica Haworth, 1810 | Gothic Dart |
| Feltia (Trichosilia) mollis Walker, 1857 | Soft Dart |
| Feltia (Trichosilia) nigrita (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Graphiphora augur Fabricius, 1775 | Double Dart |
| Hemieuxoa rudens Harvey, 1874 | Hemieuxoa Moth |
| Lycophotia phyllophora Grote, 1874 | Leafy Dart |
| Noctua comes Hübner, 1813 | Lesser Yellow Underwing |
| Noctua cynica | |
| Noctua flavotincta | |
| Noctua inopinatus | |
| Noctua plebeia | |
| Noctua pronuba Linnaeus, 1758 | Common yellow underwing moth |
| Ochropleura implecta Lafontaine, 1998 | American Flame-shouldered Dart |
| Parabagrotis cupidissima Grote, 1875 | |
| Parabagrotis exsertistigma Morrison, 1874 | |
| Parabagrotis formalis Grote, 1874 | |
| Parabagrotis insularis Grote, 1876 | |
| Parabagrotis sulinaris Lafontaine, 1998 | |
| Paradiarsia littoralis Packard, 1867 | Labrador Dart Moth |
| Peridroma diarsia Hübner, 1921 | |
| Peridroma saucia Hübner, 1808 | Pearly Underwing |
| Prognorisma substrigata Smith, 1895 | Bottom-striped Dart |
| Pronoctua craboi Lafontaine, 1998 | |
| Pronoctua peabodyae (Dyar, 1903) | ⇒ Pronoctua typica Smith, 1894 |
| Pronoctua typica Smith, 1894 | |
| Protolampra brunneicollis Grote, 1864 | Brown-collared Dart |
| Protolampra rufipectus Morris, 1874 | Red-breasted Dart Moth |
| Pseudohermonassa flavotincta Smith, 1892 | |
| Pseudohermonassa tenuicula Morrison, 1874 | Morrison'S Sooty Dart |
| Rhyacia (Rhyacia) clemens (Smith, 1890) | ⇒ Rhyacia quadrangula Zetterstedt, 1839 |
| Rhyacia (Rhyacia) quadrangula Zetterstedt, 1839 | |
| Rhyacia (Standfussrhyacia) junonia Staudinger, 1881 | |
| Setagrotis pallidicollis (Grote, 1880) | ⇒ Setagrotis vocalis Grote, 1879 |
| Setagrotis vocalis Grote, 1879 | |
| Spaelotis bicava Lafontaine, 1998 | Western w-marked cutworm |
| Spaelotis clandestina Harris, 1841 | Clandestine Dart |
| Spaelotis unicava Lafontaine, 1998 | |
| Tesagrotis atrifrons Grote, 1873 | |
| Tesagrotis corrodera Smith, 1910 | Largescale tonguefish |
| Tesagrotis piscipellis Grote, 1878 | |
| Xestia (Anomogyna) fabulosa Ferguson, 1965 | |
| Xestia (Anomogyna) imperita Hübner, 1831 | |
| Xestia (Anomogyna) infimatis Grote, 1880 | |
| Xestia (Anomogyna) mustelina J.B. Smith, 1900 | |
| Xestia (Anomogyna) perquiritata Morrison, 1875 | Boomerang Dart |
| Xestia (Anomogyna) rhaetica Staudinger, 1871 | |
| Xestia (Anomogyna) speciosa Hübner, 1813 | |
| Xestia (Megasema) c-nigrum Linnaeus, 1758 | Cutworm Moth |
| Xestia (Pachnobia) atrata (Morrison, 1874) | ⇒ Coleoxestia atrata Gounelle, 1909 |
| Xestia (Pachnobia) speciosa Hübner, 1813 | |
| Xestia (Xestia) xanthographa Denis & Schi..., 1775 | Little Grass Frog |
| Xestia bryanti Benjamin, 1933 | |
| Xestia dolosa Franclemont, 1980 | Black-Letter Dart |
| Xestia finatimis Lafontaine, 1998 | |
| Xestia homogena (Staudinger, 1871) | ⇒ Xestia rhaetica Staudinger, 1871 |
| Xestia intermedia Kononenko, 1981 | |
| Xestia lupa Lafontaine a..., 1998 | Plains Leopard Frog |
| Xestia maculata Smith, 1893 | |
| Xestia mixta (Hübner, 1813) | ⇒ Xestia speciosa Hübner, 1813 |
| Xestia oblata Morrison, 1875 | Rosy Dart |
| Xestia okakensis Packard, 1867 | |
| Xestia plebeia (Smith, 1898) | ⇒ Hemigraphiphora plebeia Smith, 1898 |
| Xestia praevia Lafontaine, 1998 | Praevia Dart |
| Xestia smithii Snellen, 1896 | Smith'S Dart |
| Xestia ursae McDunnough, 1940 | |
| Xestia verniloides Lafontaine, 1998 | |
