| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis aeneipennis (Grote, 1876) | ⇒ Agrotis venerabilis Walker, 1856 |
| Agrotis annexa (Fabricius, 1794) | ⇒ Feltia subterranea Fabricius, 1794 |
| Agrotis anteposita (Fabricius, 1794) | ⇒ Pseudoleucania ferruginescens Blanchard, 1852 |
| Agrotis antica Crabo & Lafo..., 2004 | Burrowing Toads |
| Agrotis atomaris | |
| Agrotis cogitans | |
| Agrotis crenulata | |
| Agrotis decernens (Fabricius, 1794) | ⇒ Feltia subterranea Fabricius, 1794 |
| Agrotis dollii (Grote, 1882) | ⇒ Eucoptocnemis dollii Grote, 1882 |
| Agrotis erratica | |
| Agrotis gravis Grote, 1874 | |
| Agrotis inelegans | |
| Agrotis infelix | |
| Agrotis interferens (Fabricius, 1794) | ⇒ Feltia subterranea Fabricius, 1794 |
| Agrotis interposita (Maassen, 1890) | ⇒ Feltia subterranea Fabricius, 1794 |
| Agrotis latro | |
| Agrotis longicornis Lafontaine &..., 2004 | |
| Agrotis lutulenta | |
| Agrotis malefida Guenée, 1852 | Pale-sided Cutworm |
| Agrotis nostra | |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis orthogonia Morris, 1876 | Pale Western Cutworm |
| Agrotis orthogonoides (McDunnough, 1946) | ⇒ Agrotis orthogonia Morris, 1876 |
| Agrotis quinquelinea | |
| Agrotis remota | |
| Agrotis rena | |
| Agrotis rileyana Morrison, 1875 | |
| Agrotis spectanda | |
| Agrotis stigmosa Morris, 1874 | Spotted Dart |
| Agrotis striata Lafontaine, 2004 | |
| Agrotis subterranea (Fabricius, 1794) | ⇒ Feltia subterranea Fabricius, 1794 |
| Agrotis subterreanea | |
| Agrotis trux Hübner, 1824 | Crescent 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 infecta Ochsenheimer, 1816 | Green Cutworm |
| Copablepharon absidum Harvey, 1875 | Columbia Dune Moth |
| Copablepharon albisericea Blanchard, 1976 | Ocean triggerfish |
| Copablepharon album (Harvey, 1876) | ⇒ Protogygia album Harvey, 1876 |
| Copablepharon atrinotum Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon canariana McDunnough, 1932 | Cushion draba |
| Copablepharon canariana canariana Traugott-Olsen, 1995 | |
| Copablepharon canariana constrasta | |
| Copablepharon fuscum Troubridge &..., 1995 | Sand-verbena Moth |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| Copablepharon longipenne Grote, 1882 | Coffee cliffbrake |
| Copablepharon mustelini Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon mutans Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon nevada Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon opleri Lafontaine, 2004 | |
| Copablepharon robertsoni Crabo & Lafo..., 2004 | Burrowing Toads |
| Copablepharon sanctaemonicae Dyar, 1904 | |
| Copablepharon santaemonicae | |
| Copablepharon serrata McDunnough, 1932 | Cushion draba |
| Copablepharon spiritum Crabo & Fauske, 2004 | Leiopelmatids |
| Copablepharon spiritum bicolor Crabo & Fauske, 2004 | |
| Copablepharon spiritum lutescens Crabo & Fauske, 2004 | |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Copablepharon viridisparsa gilvum Crabo & Lafo..., 2004 | |
| Copablepharon viridisparsa hopfingeri Franclemont, 1954 | |
| Copablepharon viridisparsa ravum Crabo & Lafo..., 2004 | |
| Copablepharon viridisparsum (Dod, 1916) | ⇒ Copablepharon viridisparsa Dod, 1916 |
| Dichagyris cataclivis Dyar, 1910 | |
| Dichagyris dubitata McDunnough, 1933 | Cushion draba |
| Dichagyris grotei Franclemont ..., 1983 | |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Eucoptocnemis canescens Lafontaine, 2004 | |
| Eucoptocnemis dolli Grote, 1882 | |
| Eucoptocnemis dollii Grote, 1882 | |
| Eucoptocnemis elingua Smith, 1903 | Southern peacock sole |
| Euxoa (Chorizagrotis) auxiliaris Grote, 1873 | Army cutworm |
| Euxoa (Chorizagrotis) inconcinna Harvey, 1875 | |
| Euxoa (Chorizagrotis) lidia (Stoll, 1782) | ⇒ Euxoa adumbrata Eversmann, 1842 |
| Euxoa lidia thangologia | |
| Euxoa (Euxoa) ochrogaster Guenée, 1852 | Red-backed Cutworm |
| Euxoa ochrogaster gularis | |
| 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) perpolita Morrison, 1876 | Polished Dart |
| Euxoa (Orosagrotis) ridingsiana Grote, 1875 | |
| Euxoa (Orosagrotis) riversii Dyar, 1903 | |
| Euxoa (Orosagrotis) taura Smith, 1905 | |
| Euxoa taura cooki | |
| Euxoa (Orosagrotis) wilsoni Grote, 1873 | |
| Euxoa (Palaeoeuxoa) biformata Smith, 1910 | |
| Euxoa (Palaeoeuxoa) intermontana Lafontaine, 1975 | |
| Euxoa (Palaeoeuxoa) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa mimallonis gagates Grote, 1875 | |
| Euxoa (Palaeoeuxoa) shasta Lafontaine, 1975 | |
| Euxoa shasta shasta Lafontaine, 1975 | |
| Euxoa (Pleonectopoda) altens McDunnough, 1946 | Whitestockinged black fly |
| Euxoa (Pleonectopoda) atomaris Smith, 1890 | |
| Euxoa (Pleonectopoda) austrina Hardwick, 1968 | Hooked filefish |
| Euxoa (Pleonectopoda) cryptica Hardwick, 1968 | Hooked filefish |
| Euxoa (Pleonectopoda) extranea Smith, 1887 | |
| Euxoa (Pleonectopoda) fuscigera (Grote, 1874) | ⇒ Euxoa fuscigerus Grote, 1874 |
| Euxoa (Pleonectopoda) leuschneri Lafontaine, 1987 | |
| Euxoa (Pleonectopoda) lewisi Grote, 1873 | Hooked filefish |
| Euxoa lewisi juliae | |
| Euxoa (Pleonectopoda) pleuritica Grote, 1876 | Conglomerated Dart |
| 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 vallus bivittata Smith, 1900 | |
| Euxoa (Pleonectopoda) vetusta Walker, 1865 | |
| Euxoa absona Lafontaine, 1987 | |
| Euxoa aequalis Harvey, 1876 | Kamchatka flounder |
| Euxoa aequalis aequalis Harvey, 1876 | |
| Euxoa aequalis alko Strecker, 1899 | |
| Euxoa agema Strecker, 1899 | Kamchatka flounder |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa annulipes Smith, 1890 | |
| Euxoa annulipes annulipes | |
| Euxoa annulipes oncocnemoides | |
| Euxoa antica Lafontaine, 1974 | |
| Euxoa atristrigata Smith, 1890 | |
| Euxoa auripennis Lafontaine, 1974 | |
| Euxoa baja Lafontaine, 1987 | |
| Euxoa basalis Grote, 1879 | |
| Euxoa bicollaris Grote, 1878 | |
| Euxoa bifasciata Smith, 1887 | |
| Euxoa bochus Morrison, 1874 | |
| Euxoa bostoniensis Grote, 1874 | Boston Dart |
| Euxoa brevipennis Smith, 1887 | |
| Euxoa brunneigera Grote, 1876 | |
| Euxoa brunneigera brunneigera | |
| Euxoa brunneigera excogita | |
| 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 cinibarina | |
| Euxoa cinnabarina Barnes & McD..., 1918 | Disc flounder |
| Euxoa citricolor Grote, 1880 | |
| Euxoa comosa Morrison, 1876 | Spotted triggerfish |
| Euxoa comosa comosa | |
| Euxoa comosa lutulenta Smith, 1890 | |
| Euxoa cona Strecker, 1898 | Reticulate spikefish |
| Euxoa costata Grote, 1876 | |
| Euxoa declarata Walker, 1865 | Clear Dart |
| Euxoa declarata californica Hardwick, 1973 | |
| Euxoa declarata declarata | |
| Euxoa delicata (Smith, 1900) | ⇒ Euxoa macleani McDunnough, 1927 |
| Euxoa difformis Smith, 1900 | |
| Euxoa evanidalis | ⇒ Feltia evanidalis Grote, 1878 |
| Euxoa excogita (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa faulkneri Mustelin, 2000 | |
| Euxoa fieldii (Dyar, 1908) | ⇒ Euxoa olivia Morrison, 1876 |
| Euxoa flavidens Smith, 1888 | |
| Euxoa furtivus Smith, 1890 | |
| Euxoa fuscigerus Grote, 1874 | |
| Euxoa henretta | |
| Euxoa henrietta Smith, 1900 | |
| 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 intrita alticola | |
| Euxoa inyoca Benjamin, 1936 | Scrawled cowfish |
| Euxoa jaculifera | ⇒ Feltia jaculifera Guenée, 1852 |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa latro Barnes & Ben..., 1926 | Bermuda cowfish |
| Euxoa loya excogita Smith, 1900 | |
| Euxoa lucida Barnes & McD..., 1912 | Sand sole |
| Euxoa medialis Smith, 1888 | Median-banded Dart |
| Euxoa melana Lafontaine, 1975 | |
| Euxoa melura McDunnough, 1932 | Cushion draba |
| Euxoa mercedes (Barnes & McD..., 1912) | ⇒ Euxoa difformis Smith, 1900 |
| Euxoa misturata Smith, 1890 | |
| Euxoa mitis Smith, 1894 | Filefishes |
| Euxoa mojave Lafontaine, 1987 | |
| 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 obscura (Staudinger, 1870) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa occidentalis Lafontaine &..., 1982 | Smooth trunkfish |
| Euxoa olivalis Grote, 1879 | |
| Euxoa oncocnemoides (Barnes & Ben..., 1926) | ⇒ Euxoa oncocnemidoides |
| Euxoa pallidimacula Lafontaine, 1987 | |
| Euxoa pallipennis Smith, 1887 | |
| Euxoa perexcellens Grote, 1875 | |
| Euxoa permixta McDunnough, 1940 | |
| Euxoa pimensis Barnes & McD..., 1910 | |
| Euxoa piniae Buckett & Bauer, 1964 | Caribbean tonguefish |
| Euxoa plagigera Morrison, 1874 | |
| Euxoa pluralis Grote, 1878 | |
| Euxoa punctigera Walker, 1865 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa quadridentata flutea | |
| Euxoa recula Harvey, 1876 | |
| Euxoa rockburnei Hardwick, 1973 | Honeycomb cowfish |
| Euxoa rufula Smith, 1887 | Mountain Dart Moth |
| Euxoa rufula basiflava Smith, 1890 | |
| Euxoa satiens Smith, 1890 | |
| Euxoa satis Harvey, 1876 | |
| Euxoa scotogrammoides McDunnough, 1932 | Cushion draba |
| Euxoa sculptilis Harvey, 1874 | |
| Euxoa selenis Smith, 1900 | |
| Euxoa serricornis Smith, 1888 | |
| 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 stigmatalis Smith, 1900 | |
| Euxoa subandera Lafontaine, 1987 | |
| Euxoa subgothica | ⇒ Feltia subgothica Haworth, 1810 |
| Euxoa subterranea | ⇒ Feltia subterranea Fabricius, 1794 |
| Euxoa terrena (Smith, 1900) | ⇒ Euxoa terrenus Smith, 1900 |
| Euxoa terrenus Smith, 1900 | |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Euxoa tocoyae Smith, 1900 | |
| Euxoa tronella (Smith, 1903) | ⇒ Euxoa tronellus Smith, 1903 |
| Euxoa tronellus Smith, 1903 | Southern peacock sole |
| Euxoa ustulata Lafontaine, 1976 | Boxfish |
| Euxoa velleripennis Grote, 1874 | Fleece-winged Dart |
| Feltia (Feltia) evanidalis Grote, 1878 | |
| Feltia (Feltia) inyoca Lafontaine, 2004 | |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subgothica Haworth, 1810 | Gothic Dart |
| Feltia (Feltia) subterranea Fabricius, 1794 | Granulate Cutworm |
| Feltia (Trichosilia) nigrita (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Feltia californiae (McDunnough, 1939) | ⇒ Feltia evanidalis Grote, 1878 |
| Hemieuxoa rudens Harvey, 1874 | Hemieuxoa Moth |
| Peridroma demutabilis | |
| Peridroma diarsia Hübner, 1921 | |
| Peridroma margaritosa (Haworth, 1809) | ⇒ Peridroma saucia Hübner, 1808 |
| Peridroma saucia Hübner, 1808 | Pearly Underwing |
| Protogygia album Harvey, 1876 | |
| Protogygia arena Troubridge &..., 2004 | Checkered puffer |
| Protogygia biclavis Grote, 1879 | |
| Protogygia comstocki McDunnough, 1934 | Cape Thompson draba |
| Protogygia enalaga McDunnough, 1932 | Cushion draba |
| Protogygia lagena Grote, 1875 | |
| Protogygia milleri Grote, 1875 | |
| Protogygia polingi Barnes & Ben..., 1922 | Threetooth puffer |
| Protogygia postera Fauske & Laf..., 2004 | |
| Protogygia querula Dod, 1915 | Querula Dart |
| Richia lobato (Barnes, 1904) | ⇒ Dichagyris lobato Barnes, 1904 |
| Richia parentalis Grote, 1879 | |
| Striacosta albicosta Smith, 1888 | Western bean cutworm |
