| Actebia balanitis (Grote, 1873) | ⇒ Protexarnis balanitis Grote, 1873 |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis (Agrotis) segetum Denis & Schi..., 1775 | Black cutworm |
| Agrotis albicosta Tutt, 1892 | |
| Agrotis antica Crabo & Lafo..., 2004 | Burrowing Toads |
| Agrotis apicalis (Herrich-Schä..., 1868) | ⇒ Dichagyris grotei Franclemont ..., 1983 |
| Agrotis atha (Strecker, 1898) | ⇒ Agrotis venerabilis Walker, 1856 |
| Agrotis aurulenta | |
| Agrotis brevipennis | |
| Agrotis catenula | |
| Agrotis daedalus Smith, 1890 | |
| Agrotis gladiaria Morris, 1874 | Clay-backed Cutworm |
| Agrotis ingeniculata | |
| Agrotis ingrata (Butler, 1878) | ⇒ Agrotis segetum Denis & Schi..., 1775 |
| Agrotis lutulenta | |
| Agrotis malefida Guenée, 1852 | Pale-sided Cutworm |
| Agrotis medialis | |
| Agrotis munda Walker, 1856 | Brown cutworm |
| Agrotis muscosa | |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis oblongistigma | |
| Agrotis orthogonia Morris, 1876 | Pale Western Cutworm |
| Agrotis pallipennis | |
| Agrotis poliochroa Hampson, 1906 | |
| Agrotis redimicula Morrison, 1874 | |
| Agrotis rileyana Morrison, 1875 | |
| Agrotis robustior Smith, 1899 | |
| 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 |
| Anicla beata Grote, 1883 | |
| Anicla espoetia Dyar, 1910 | |
| Anicla exuberans J. B. Smith, 1898 | Exuberant Dart Moth |
| Anicla ignicans Guenée, 1852 | |
| Anicla illapsa Walker, 1857 | Snowy Dart |
| Anicla infecta Ochsenheimer, 1816 | Green Cutworm |
| Anicla mus Lafontaine, 2004 | |
| Anicla tenuescens Smith, 1890 | |
| Anicla tepperi Smith, 1888 | Black-girdled Dart Moth |
| Copablepharon absidum Harvey, 1875 | Columbia Dune Moth |
| Copablepharon albisericea Blanchard, 1976 | Ocean triggerfish |
| Copablepharon album (Harvey, 1876) | ⇒ Protogygia album Harvey, 1876 |
| Copablepharon canariana McDunnough, 1932 | Cushion draba |
| Copablepharon flavum Fauske & Laf..., 2004 | Ground Coqui |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| Copablepharon longipenne Grote, 1882 | Coffee cliffbrake |
| Copablepharon mutans Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon opleri Lafontaine, 2004 | |
| Copablepharon pictum Fauske & Laf..., 2004 | Ground Coqui |
| Copablepharon spiritum Crabo & Fauske, 2004 | Leiopelmatids |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Dichagyris grandipennis Grote, 1883 | |
| Dichagyris grotei Franclemont ..., 1983 | |
| Dichagyris longidens J.B. Smith, 1890 | |
| Dichagyris ruckesi Barnes & Ben..., 1927 | Smallmouth flounder |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Eucoptocnemis dollii Grote, 1882 | |
| Eucoptocnemis fimbriaris Guenée, 1852 | Fringed Dart |
| Euxoa (Chorizagrotis) adumbrata Eversmann, 1842 | Honeycomb filefish |
| Euxoa (Chorizagrotis) auxiliaris Grote, 1873 | Army cutworm |
| Euxoa (Chorizagrotis) inconcinna Harvey, 1875 | |
| 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) intermontana Lafontaine, 1975 | |
| Euxoa (Palaeoeuxoa) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa (Pleonectopoda) altens McDunnough, 1946 | Whitestockinged black fly |
| Euxoa (Pleonectopoda) atomaris Smith, 1890 | |
| Euxoa (Pleonectopoda) aurulenta Smith, 1890 | Dune Cutworm |
| Euxoa (Pleonectopoda) churchillensis McDunnough, 1932 | |
| Euxoa (Pleonectopoda) lewisi Grote, 1873 | Hooked filefish |
| Euxoa (Pleonectopoda) pestula Smith, 1904 | |
| Euxoa (Pleonectopoda) pleuritica Grote, 1876 | Conglomerated Dart |
| Euxoa (Pleonectopoda) quebecensis Smith, 1900 | Quebec Dart |
| Euxoa (Pleonectopoda) scandens Riley, 1869 | White cutworm |
| Euxoa (Pleonectopoda) simona McDunnough, 1932 | Cushion draba |
| Euxoa (Pleonectopoda) trifasciata Smith, 1887 | |
| Euxoa (Pleonectopoda) tristicula Morrison, 1875 | Early cutworm |
| Euxoa (Pleonectopoda) vallus Smith, 1900 | |
| Euxoa aequalis Harvey, 1876 | Kamchatka flounder |
| Euxoa agema Strecker, 1899 | Kamchatka flounder |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa annulipes Smith, 1890 | |
| 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 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 cinereopallidus Smith, 1903 | Southern peacock sole |
| Euxoa citricolor Grote, 1880 | |
| Euxoa clausa McDunnough, 1923 | Openground draba |
| Euxoa comosa Morrison, 1876 | Spotted triggerfish |
| Euxoa cona Strecker, 1898 | Reticulate spikefish |
| Euxoa conjuncta Smith, 1890 | |
| 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 faulkneri Mustelin, 2000 | |
| Euxoa flavidens Smith, 1888 | |
| Euxoa foeminalis Smith, 1900 | |
| Euxoa franclemonti Lafontaine, 1987 | |
| Euxoa furtivus Smith, 1890 | |
| Euxoa hollemani Grote, 1874 | |
| Euxoa idahoensis Grote, 1878 | |
| Euxoa infausta Walker, 1865 | |
| Euxoa infracta Morrison, 1875 | |
| Euxoa inscripta Lafontaine, 1981 | Boxfishes |
| Euxoa intrita Morrison, 1874 | |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa latro Barnes & Ben..., 1926 | Bermuda cowfish |
| Euxoa lillooet McDunnough, 1927 | Lake Tahoe draba |
| Euxoa lineifrons Smith, 1890 | |
| Euxoa loya (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa lucida Barnes & McD..., 1912 | Sand sole |
| Euxoa luctuosa Lafontaine, 1976 | Boxfish |
| Euxoa medialis Smith, 1888 | Median-banded Dart |
| Euxoa melana Lafontaine, 1975 | |
| Euxoa melura McDunnough, 1932 | Cushion draba |
| Euxoa misturata Smith, 1890 | |
| Euxoa mitis Smith, 1894 | Filefishes |
| Euxoa moerens Grote, 1883 | |
| Euxoa moxa (Smith, 1907) | ⇒ Euxoa quebecensis Smith, 1900 |
| 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 pallidimacula Lafontaine, 1987 | |
| Euxoa pallipennis Smith, 1887 | |
| Euxoa permixta McDunnough, 1940 | |
| Euxoa pimensis Barnes & McD..., 1910 | |
| Euxoa placida (Smith, 1893) | ⇒ Euxoa siccata Smith, 1893 |
| Euxoa plagigera Morrison, 1874 | |
| Euxoa pluralis Grote, 1878 | |
| Euxoa punctigera Walker, 1865 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| 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 setonia McDunnough, 1927 | Lake Tahoe draba |
| Euxoa siccata Smith, 1893 | |
| Euxoa silens Grote, 1875 | Silent Dart |
| Euxoa stigmatalis Smith, 1900 | |
| Euxoa teleboa Smith, 1890 | |
| Euxoa terrenus Smith, 1900 | |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Euxoa tronella (Smith, 1903) | ⇒ Euxoa tronellus Smith, 1903 |
| Euxoa tronellus Smith, 1903 | Southern peacock sole |
| Euxoa velleripennis Grote, 1874 | Fleece-winged Dart |
| Euxoa xasta Barnes & McD..., 1910 | |
| Feltia (Feltia) herilis Grote, 1873 | Herald Dart |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subgothica Haworth, 1810 | Gothic Dart |
| Feltia (Feltia) subterranea Fabricius, 1794 | Granulate Cutworm |
| Feltia (Feltia) tricosa Lintner, 1874 | Confused Dart Moth |
| Feltia (Trichosilia) mollis Walker, 1857 | Soft Dart |
| Feltia (Trichosilia) nigrita (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Hemieuxoa rudens Harvey, 1874 | Hemieuxoa Moth |
| Peridroma saucia Hübner, 1808 | Pearly Underwing |
| Protogygia album Harvey, 1876 | |
| Protogygia elevata Smith, 1891 | Lizard beetles |
| Protogygia enalaga McDunnough, 1932 | Cushion draba |
| Protogygia lagena Grote, 1875 | |
| Protogygia pallida Fauske & Laf..., 2004 | |
| Protogygia postera Fauske & Laf..., 2004 | |
| Protogygia querula Dod, 1915 | Querula Dart |
| Protogygia rufescens Fauske & Laf..., 2004 | |
| 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 | |
| Striacosta albicosta Smith, 1888 | Western bean cutworm |
