| Abagrotis apposita Grote, 1878 | |
| Abagrotis brunneipennis Grote, 1875 | Yankee Dart |
| 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 nefascia Smith, 1908 | Coastal Heathland Cutworm |
| Abagrotis orbis (Grote, 1876) | ⇒ Abagrotis variata Grote, 1876 |
| 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 |
| Acerra normalis Grote, 1894 | |
| Achytonix epipaschia (Grote, 1882) | ⇒ Cosmia epipaschia Grote, 1883 |
| Acontia (Emmelia) candefacta Hübner, 1831 | |
| Acontia major (Smith, 1900) | ⇒ Tarache major Smith, 1900 |
| 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 fragilis Guenée, 1852 | Fragile Dagger |
| Acronicta funeralis Grote & Robi..., 1866 | Funerary Dagger |
| 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 innotata Guenée, 1852 | Birch Dagger |
| Acronicta insularis | Cattail Caterpillar Moth |
| Acronicta interrupta Guenée, 1852 | Interrupted Dagger |
| Acronicta lepusculina Guenée, 1852 | Cottonwood Dagger |
| Acronicta perdita Grote, 1874 | |
| Acronicta radcliffei Harvey, 1875 | Radcliffe'S Dagger |
| Acronicta strigulata Smith, 1897 | Lace sole |
| Actebia balanitis (Grote, 1873) | ⇒ Protexarnis balanitis Grote, 1873 |
| Adelphagrotis indeterminata Walker, 1865 | |
| Admetovis oxymorus Grote, 1873 | Sensitive fern |
| Admetovis similaris Barnes, 1904 | Foureyed sole |
| Adonisea acutilinea Grote, 1878 | |
| Adonisea florida Guenée, 1852 | |
| Adonisea honesta Grote, 1881 | |
| Adonisea meadi Grote, 1873 | |
| Adonisea mortua Grote, 1864 | |
| Adonisea perminuta Edwards, 1881 | |
| Adonisea suetus Grote, 1873 | |
| Adonisea tertia Grote, 1874 | |
| Adonisea walsinghami Edwards, 1881 | |
| Afotella cylindrica Grote, 1880 | |
| Agnorisma bugrai Koçak, 1983 | Collard Dart |
| Agrochola (Sunira) decipiens Grote, 1881 | |
| Agrochola (Sunira) verberata Smith, 1904 | |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis antica Crabo & Lafo..., 2004 | Burrowing Toads |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis orthogonia Morris, 1876 | Pale Western Cutworm |
| Agrotis poliochroa Hampson, 1906 | |
| Agrotis vancouverensis Grote, 1873 | Sensitive fern |
| Agrotis venerabilis Walker, 1856 | Dusky Cutworm |
| Agrotis vetusta Walker, 1856 | Muted Dart |
| Aletia oxygala (Grote, 1881) | ⇒ Mythimna oxygala Grote, 1881 |
| Alypia langtoni Couper, 1865 | Fireweed caterpillar |
| Alypia langtonii Couper., 1865 | Fireweed Caterpillar |
| Alypia octomaculata Fabricius, 1775 | Eight-Spotted Forester |
| Alypia ridingsii Grote, 1864 | Mountain Forester |
| Amphipoea keiferi Benjamin, 1935 | Blackcheek tonguefish |
| Amphipoea senilis Smith, 1894 | |
| Amphipyra (Amphipyra) tragopoginis Clerck, 1759 | Mouse |
| Amphipyra pyramidoides Guenée, 1852 | American Copper Underwing |
| Anagrapha falcifera Kirby, 1837 | Celery Looper |
| Anaplectoides prasina Denis & Schi..., 1775 | Green Arches |
| Anaplectoides pressus Grote, 1874 | Dappled Dart |
| Anarta (Calocestra) farnhami Grote, 1873 | |
| Anarta (Calocestra) trifolii (Hufnagel, 1766) | ⇒ Nutmeg trifolii Hufnagel, 1766 |
| Anarta oregonica Grote, 1881 | |
| Anathix aggressa Smith, 1907 | Aggressive Sallow |
| 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 | |
| Anhimella contrahens Walker, 1860 | United Cutworm |
| Annaphila arvalis H. Edwards, 1875 | Pacific sanddab |
| Annaphila danistica Grote, 1873 | Sensitive fern |
| Annaphila decia Grote, 1875 | |
| Annaphila diva Grote, 1873 | Sensitive fern |
| Apamea (Apamea) sordens Hufnagel, 1766 | Atlantic sole |
| Apamea (Apamea) unanimis Hübner, 1813 | Common Green Darner |
| Apamea acera Smith, 1900 | |
| Apamea alia Guenée, 1852 | Fox Apamea |
| Apamea amputatrix Fitch, 1857 | Yellow Headed Cutworm Moth |
| Apamea antennata Smith, 1890 | Lizard beetles |
| Apamea atrosuffusa Barnes & McD..., 1913 | California tonguefish |
| Apamea auranticolor Grote, 1873 | |
| Apamea burgessi Morrison, 1874 | Burgess' Apamea 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 cuculliformis Grote, 1875 | |
| Apamea devastator Brace, 1819 | Glassy cutworm |
| Apamea impulsa Guenée, 1852 | Impulsive Apamea |
| 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 scoparia Mikkola, Mus..., 2000 | Brown tonguesole |
| Apamea sora (Smith, 1903) | ⇒ Apamea auranticolor Grote, 1873 |
| Apamea spaldingi Smith, 1909 | Spalding´s Apamea |
| Apamea unita Smith, 1904 | |
| Aplectoides condita Guenée, 1852 | |
| Aplectoides trabalis (Guenée, 1852) | ⇒ Aplectoides condita Guenée, 1852 |
| Aseptis binotata Walker, 1865 | Rusty Shoulder Knot Moth |
| Aseptis characta Grote, 1880 | |
| Aseptis fumosa Grote, 1879 | |
| Aspila belladonna Edwards, 1881 | |
| Aspila oregonica Edwards, 1875 | |
| Athetis euxoa Krüger, 2001 | |
| Athetis mindara (Barnes & McD..., 1913) | ⇒ Proxenus mindara Barnes & McD..., 1913 |
| Athetis miranda (Grote, 1873) | ⇒ Proxenus miranda Grote, 1873 |
| Athetis rhigognostis 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 pasiphaeia Grote, 1873 | |
| Autographa pseudogamma Grote, 1875 | Delicate Silver Y |
| Autographa sansoni Dod, 1910 | Alberta Beauty |
| Autographa valba Ottolengui, 1902 | |
| Behrensia conchiformis Grote, 1875 | |
| Bellura obliqua Walker, 1865 | Cattail Borer |
| Benjaminiola colorada Smith, 1900 | |
| Blepharita tenera Smith, 1900 | |
| Brachylomia discolor Smith, 1904 | |
| Brachylomia elda French, 1887 | |
| Brachylomia rectifascia Smith, 1891 | Lizard beetles |
| Calophasia lunula Hufnagel, 1766 | Atlantic sole |
| Caradrina (Platyperigea) montana Bremer, 1861 | Civil Rustic |
| Caradrina meralis Morrison, 1875 | Rare Sand Quaker |
| Caradrina multifera Walker, 1856 | Speckled Rustic |
| Celaena reniformis (Grote, 1874) | ⇒ Helotropha reniformis Grote, 1874 |
| Cerapoda stylata (Smith, 1894) | ⇒ Rhizagrotis stylata J. B. Smith, 1893 |
| Chorizagrotis auxiliaris (Grote, 1873) | ⇒ Euxoa auxiliaris Grote, 1873 |
| Condica andrena Smith, 1911 | Rough triggerfish |
| Condica discistriga Smith, 1894 | Filefishes |
| Condica mersa Morrison, 1875 | |
| Conochares elegantula (Harvey, 1876) | ⇒ Ponometia elegantula Harvey, 1876 |
| Copablepharon absidum Harvey, 1875 | Columbia Dune Moth |
| Copablepharon canariana McDunnough, 1932 | Cushion draba |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| Copablepharon spiritum Crabo & Fauske, 2004 | Leiopelmatids |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Copicucullia mcdunnoughi Henne, 1940 | |
| Crassivesica bochus (Morrison, 1874) | ⇒ Euxoa bochus Morrison, 1874 |
| Cucullia anthocharis Boursin, 1969 | |
| Cucullia antipoda Strecker, 1877 | |
| Cucullia dorsalis Smith, 1892 | Planehead filefish |
| Cucullia florea Guenée, 1852 | Gray Hooded Owlet |
| Cucullia intermedia Speyer, 1870 | Dusky Hooded Owlet |
| Cucullia luna Morrison, 1875 | |
| Cucullia mcdunnoughi Henne, 1940 | Sargassum triggerfish |
| Cucullia montanae Grote, 1882 | Coffee cliffbrake |
| Cucullia omissa Dod, 1916 | Black durgon |
| Cucullia postera Guenée, 1852 | |
| Cucullia similaris Smith, 1892 | Planehead filefish |
| Dargida diffusa Walker, 1856 | Wheat Head Armyworm |
| Dargida procinctus Grote, 1873 | Girdler Moth |
| Diachrysia aereoides Grote, 1864 | Dark-Spotted Looper |
| Diarsia rosaria Grote, 1878 | Rosey Dart |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Discestra crotchii (Grote, 1880) | ⇒ Anarta crotchii Grote, 1880 |
| Discestra oregonica (Grote, 1881) | ⇒ Anarta oregonica Grote, 1881 |
| Draudtia lunata Barnes & McD..., 1916 | |
| 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 fausta B.C. Schmidt, 2010 | |
| Enargia infumata Grote, 1874 | Lesser Eyed Sallow |
| Eosphoropteryx thyatyroides Guenée, 1852 | Pink-patched Looper |
| Epidemas obscura (Smith, 1903) | ⇒ Epidemas obscurus Smith, 1903 |
| Eremobina claudens Walker, 1857 | Dark-winged Quaker |
| Eucoptocnemis canescens Lafontaine, 2004 | |
| Eudryas brevipennis Stretch, 1872 | Rex sole |
| Eueretagrotis perattentus Grote, 1874 | Two-Spot Dart |
| Euplexia benesimilis McDunnough, 1922 | American angle shade |
| Eupsilia fringata Barnes & McD..., 1916 | |
| 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 |
| 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) manitobana McDunnough, 1925 | Desert draba |
| Euxoa (Orosagrotis) perolivalis Smith, 1905 | Macao sole |
| 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) extranea Smith, 1887 | |
| Euxoa (Pleonectopoda) lewisi Grote, 1873 | Hooked filefish |
| Euxoa (Pleonectopoda) pleuritica Grote, 1876 | Conglomerated Dart |
| Euxoa (Pleonectopoda) simona McDunnough, 1932 | Cushion draba |
| Euxoa (Pleonectopoda) tristicula Morrison, 1875 | Early cutworm |
| Euxoa absona Lafontaine, 1987 | |
| Euxoa aequalis Harvey, 1876 | Kamchatka flounder |
| Euxoa agema Strecker, 1899 | Kamchatka flounder |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa atristrigata Smith, 1890 | |
| Euxoa auripennis Lafontaine, 1974 | |
| Euxoa basalis Grote, 1879 | |
| Euxoa bicollaris Grote, 1878 | |
| Euxoa brevipennis Smith, 1887 | |
| Euxoa brunneigera Grote, 1876 | |
| Euxoa campestris Grote, 1875 | Flat Dart |
| Euxoa cana Lafontaine, 1974 | |
| 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 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 infausta Walker, 1865 | |
| Euxoa infracta Morrison, 1875 | |
| Euxoa intrita Morrison, 1874 | |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa lineifrons Smith, 1890 | |
| Euxoa loya (Smith, 1900) | ⇒ Euxoa brunneigera Grote, 1876 |
| Euxoa lucida Barnes & McD..., 1912 | Sand sole |
| 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 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 plagigera Morrison, 1874 | |
| Euxoa pluralis Grote, 1878 | |
| Euxoa punctigera Walker, 1865 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa rockburnei Hardwick, 1973 | Honeycomb cowfish |
| 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 stigmatalis Smith, 1900 | |
| Euxoa subandera Lafontaine, 1987 | |
| Euxoa terrenus Smith, 1900 | |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Euxoa tronella (Smith, 1903) | ⇒ Euxoa tronellus Smith, 1903 |
| Felita jaculifera | Dingy Cutworm Moth |
| Feltia (Feltia) herilis Grote, 1873 | Herald Dart |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subgothica Haworth, 1810 | Gothic Dart |
| Fishia discors Grote, 1881 | Garden cutworm |
| Fishia yosemitae Grote, 1873 | Dark Gray Fishia |
| Graphiphora augur Fabricius, 1775 | Double Dart |
| Hada sutrina Grote, 1881 | Sutrina Moth |
| Hadena capsularis Guenée, 1852 | Capsule Moth |
| Hadena ectrapela Smith, 1898 | |
| Hadenella pergentilis Grote, 1883 | |
| Hecatera dysodea Denis & Schi..., 1775 | Moth |
| Helicoverpa zea Boddie, 1850 | American bollworm |
| Heliocheilus paradoxus Grote, 1865 | Paradoxical Grass Moth |
| Heliothis (Heliothis) acesias (Felder & Rog..., 1872) | ⇒ Heliothis phloxiphaga Grote & Robi..., 1867 |
| Heliothis (Heliothis) phloxiphaga Grote & Robi..., 1867 | Artematopid beetles |
| Heliothodes diminutivus (Grote, 1873) | ⇒ Heliothodes diminutiva Grote, 1873 |
| Hillia maida Dyar, 1904 | Plain Rover Moth |
| Homoglaea californica Smith, 1891 | Lizard beetles |
| Homoglaea carbonaria Harvey, 1876 | |
| Homoglaea dives Smith, 1907 | |
| Homohadena fifia (Dyar, 1904) | ⇒ Sympistis fifia Dyar, 1904 |
| Homorthodes communis Dyar, 1904 | Alder Quaker |
| Homorthodes discreta Barnes & McD..., 1916 | |
| Homorthodes fractura Smith, 1906 | |
| Homorthodes furfurata Grote, 1874 | Northern Scurfy Quaker |
| 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 perobliqua Hampson, 1910 | False Rosy Rustic Moth |
| Hypocoena rufostrigata Packard, 1806 | Brown-streaked Rustic |
| Hyppa brunneicrista Smith, 1902 | |
| Hyppa indistincta Smith, 1894 | |
| Lacanobia atlantica Grote, 1874 | Atlantic Arches |
| Lacanobia radix Walker, 1856 | Barking Frogs |
| Lacanobia subjuncta Grote & Robi..., 1868 | Bay whiff |
| Lacinipolia acutipennis (Grote, 1880) | ⇒ Lacinipolia vicina Grote, 1874 |
| Lacinipolia anguina Grote, 1881 | Snaky Arches |
| Lacinipolia comis Grote, 1876 | |
| Lacinipolia cuneata Grote, 1873 | Cuneate Arches |
| Lacinipolia davena Smith, 1901 | Least puffer |
| Lacinipolia lorea Guenée, 1852 | Bridled Arches |
| Lacinipolia olivacea Morrison, 1874 | Olive Arches |
| Lacinipolia pensilis Grote, 1874 | |
| Lacinipolia rectilinea Smith, 1888 | |
| Lacinipolia sareta (Smith, 1906) | ⇒ Lacinipolia vicina Grote, 1874 |
| Lacinipolia stricta Walker, 1865 | Brown Arches Moth |
| Lacinipolia strigicollis Wallengren, 1860 | Collared Arches Moth |
| Lacinipolia vicina Grote, 1874 | Neighborly Arches |
| Lasionycta marloffi (Dyar, 1922) | ⇒ Lasionycta perplexella Crabo & Lafo..., 2009 |
| Lasionycta perplexa (Smith, 1887) | ⇒ Lasionycta perplexella Crabo & Lafo..., 2009 |
| Lasionycta subfuscula (Grote, 1873) | ⇒ Lasionycta taigata Lafontaine, 1988 |
| Lepipolys perscripta (Guenée, 1852) | ⇒ Sympistis perscripta Guenée, 1852 |
| Leucania anteroclara Smith, 1902 | |
| Leucania farcta Grote, 1881 | Meadow Wainscot Moth |
| Leucania insueta Guenée, 1852 | Heterodox Wainscot |
| Lithacodia albidula (Guenée, 1852) | ⇒ Protodeltote albidula Guenée, 1852 |
| Litholomia napaea Morrison, 1874 | False Pinion |
| Lithomoia germana Morrison, 1874 | American Brindle |
| Lithophane amanda Smith, 1900 | Amanda'S Pinion Moth |
| Lithophane boogeri J.T.Troubridge, 2006 | |
| Lithophane georgii Grote, 1875 | George´s Pinion |
| Lithophane innominata Smith, 1893 | Nameless Pinion |
| Lithophane itata Smith, 1899 | |
| Lithophane pertorrida McDunnough, 1942 | |
| Lithophane petulca Grote, 1874 | Wanton Pinion |
| Lithophane pexata Grote, 1874 | Plush-naped Pinion |
| Lithophane ponderosa J.T. Troubri..., 2003 | Lemon blaasop |
| Lomilysis discolor (Smith, 1904) | ⇒ Brachylomia discolor Smith, 1904 |
| Loxagrotis albicosta (J. B. Smith, 1893) | ⇒ Striacosta albicosta Smith, 1888 |
| Luperina innota (Smith, 1908) | ⇒ Resapamea mammuthus L.G. Crabo, 2013 |
| Luperina passer (Guenée, 1852) | ⇒ Resapamea passer Guenée, 1852 |
| Luperina venosa (Smith, 1903) | ⇒ Resapamea venosa J.B. Smith, 1903 |
| Lycanades pulchella Smith, 1900 | |
| Lycanades purpurea Grote, 1874 | |
| Mamestra configurata Walker, 1856 | Bertha Armyworm |
| Melanchra adjuncta Boisduval, 1841 | Hitched Arches |
| Melanchra picta Harris, 1841 | Zebra caterpillar |
| Melanchra pulverulenta Smith, 1888 | |
| Mesogona olivata Harvey, 1874 | False-eye toby |
| Metalepsis salicarum (Walker, 1857) | ⇒ Cerastis salicarum Walker, 1857 |
| Mniotype tenera Smith, 1900 | |
| Mormonia neogama Smith & Abbot, 1797 | Black Dash |
| Mythimna (Pseudaletia) unipuncta Haworth, 1809 | American armyworm |
| Nedra stewarti Grote, 1875 | |
| Nephelodes minians Guenée, 1852 | Bronzed Cutworm |
| Noctua comes Hübner, 1813 | Lesser Yellow Underwing |
| Noctua pronuba Linnaeus, 1758 | Common yellow underwing moth |
| Ochropleura implecta Lafontaine, 1998 | American Flame-shouldered Dart |
| Oligia divesta Grote, 1874 | |
| Oligia fractilinea (Grote, 1874) | ⇒ Mesapamea fractilinea Grote, 1874 |
| Oligia indirecta (Grote, 1875) | ⇒ Xylomoia indirecta Grote, 1875 |
| Oligia mactata (Guenée, 1852) | ⇒ Platypolia mactata Guenée, 1852 |
| 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 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 columbia (McDunnough, 1922) | ⇒ Sympistis columbia McDunnough, 1922 |
| Oncocnemis figurata (Harvey, 1875) | ⇒ Sympistis figurata Harvey, 1875 |
| Oncocnemis hayesi (Grote, 1873) | ⇒ Sympistis insanina J.T.Troubridge, 2008 |
| Oncocnemis homogena (Grote, 1874) | ⇒ Sympistis homogena Grote, 1877 |
| Oncocnemis major (Grote, 1881) | ⇒ Sympistis mut J.T.Troubridge, 2008 |
| Oncocnemis mirificalis (Grote, 1879) | ⇒ Sympistis mirificalis Grote, 1879 |
| Oncocnemis punctilinea (Hampson, 1905) | ⇒ Sympistis punctilinea Hampson, 1906 |
| Oncocnemis regina (Smith, 1902) | ⇒ Sympistis regina Smith, 1902 |
| Oncocnemis semicollaris (Smith, 1909) | ⇒ Sympistis shait J.T.Troubridge, 2008 |
| Oncocnemis tenuifascia (Smith, 1888) | ⇒ Sympistis tenuifascia Smith, 1888 |
| Oncocnemis umbrifascia (Smith, 1894) | ⇒ Sympistis umbrifascia Smith, 1894 |
| Oria insularis Herrich-Schä..., 1898 | |
| Orthodes detracta Walker, 1857 | Disparaged Arches |
| Orthodes obscura Smith, 1888 | Obscure Quaker |
| Orthosia hibisci Guenée, 1852 | Green Fruitworm |
| Orthosia pulchella Harvey, 1876 | |
| Orthosia revicta Morrison, 1875 | Rusty whitesided caterpillar |
| Panthea gigantea French, 1890 | Banded leopard blowfish |
| Panthea virginaria (Grote, 1880) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea virginarius Grote, 1880 | Cascades Panthea |
| Papaipema insulidens Bird, 1902 | Ragwort Stem Borer |
| Papaipema limata (Bird, 1908) | ⇒ Papaipema baptisiae Bird, 1902 |
| Papestra brenda Barnes & McD..., 1916 | |
| Papestra cristifera Walker, 1858 | |
| Papestra quadrata Smith, 1891 | Lizard beetles |
| Parabagrotis exsertistigma Morrison, 1874 | |
| Parabagrotis formalis Grote, 1874 | |
| Parabagrotis insularis Grote, 1876 | |
| Parabagrotis sulinaris Lafontaine, 1998 | |
| Paradiarsia littoralis Packard, 1867 | Labrador Dart Moth |
| Peridroma saucia Hübner, 1808 | Pearly Underwing |
| Philometra metonalis (Walker, 1859) | ⇒ Phalaenostola metonalis Walker, 1859 |
| Phlogophora periculosa Guenée, 1852 | Brown angle shades |
| Plagiomimicus dimidiata Grote, 1877 | |
| Plagiomimicus expallidus Grote, 1882 | |
| Plagiomimicus spumosum Grote, 1874 | Frothy Moth |
| Platypolia contadina Smith, 1894 | Filefishes |
| Platypolia loda Strecker, 1898 | Reticulate spikefish |
| Pleromelloida bonuscula Smith, 1898 | |
| Pleromelloida cinerea Smith, 1904 | Ashy Pleromelloida |
| Pleromelloida conserta Grote, 1881 | |
| Plusia putnami Grote, 1873 | Lempke's gold spot |
| Polia discalis Grote, 1877 | Threespot flounder |
| Polia nugatis Smith, 1898 | |
| Polia piniae Buckett & Bauer, 1966 | Burrfishes |
| Polia purpurissata Grote, 1864 | Purple Arches |
| Ponometia binocula Grote, 1875 | Prairie Bird-dropping Moth |
| Ponometia elegantula Harvey, 1876 | Arizona Bird Dropping Moth |
| Ponometia sutrix Grote, 1880 | |
| Pronoctua peabodyae (Dyar, 1903) | ⇒ Pronoctua typica Smith, 1894 |
| Pronoctua typica Smith, 1894 | |
| Properigea albimacula Barnes & McD..., 1912 | Sharp-headed sole |
| Protagrotis niveivenosa (Grote, 1879) | ⇒ Apamea niveivenosa Grote, 1879 |
| Protexarnis balanitis Grote, 1873 | |
| Protogygia enalaga McDunnough, 1932 | Cushion draba |
| Protogygia lagena Grote, 1875 | |
| Protogygia postera Fauske & Laf..., 2004 | |
| Protolampra rufipectus Morris, 1874 | Red-breasted Dart Moth |
| Protoperigea posticata Harvey, 1875 | |
| Protorthodes curtica Smith, 1890 | |
| Protorthodes incincta Morrison, 1874 | Banded Quaker |
| Proxenus mindara Barnes & McD..., 1913 | Rough Skinned Cutworm moth |
| Pseudanarta caeca Dod, 1913 | Blotched porcupinefish |
| Pseudanarta crocea H. Edwards, 1875 | Sanddabs |
| Pseudanarta flava Grote, 1874 | |
| Pseudeva palligera Grote, 1881 | Western Unspotted Looper |
| Pseudeva rubigera (Grote, 1881) | ⇒ Pseudeva palligera Grote, 1881 |
| Pseudorthosia variabilis (Grote, 1874) | ⇒ Dichagyris variabilis Grote, 1874 |
| Pyrrhia exprimens Walker, 1857 | Purple-lined Sallow |
| Raphia coloradensis (Putnam & Cramer, 1886) | ⇒ Raphia frater Grote, 1864 |
| Raphia frater Grote, 1864 | Brother |
| Raphia pallula (Edwards, 1886) | ⇒ Raphia abrupta Grote, 1863 |
| Resapamea innota Smith, 1908 | |
| Rhizagrotis albalis Grote, 1878 | |
| Rhizagrotis cloanthoides Grote, 1880 | |
| Rhyacia (Rhyacia) clemens (Smith, 1890) | ⇒ Rhyacia quadrangula Zetterstedt, 1839 |
| Rhynchagrotis exsertistigma Morris, 1874 | |
| Rhynchagrotis insularis (Grote, 1876) | ⇒ Parabagrotis insularis Grote, 1876 |
| Richia albicosta (Smith, 1888) | ⇒ Striacosta albicosta Smith, 1888 |
| Schinia acutilinea Grote, 1878 | Acute-Lined Flower Moth |
| Schinia albafascia Smith, 1883 | Western cordilleran bunchberry |
| Schinia arcigera Guenée, 1852 | Arcigera Flower Moth |
| Schinia biundulata Smith, 1891 | Pacific halibut |
| Schinia edwardsii Smith, 1906 | |
| Schinia florida Guenée, 1852 | Evening Primrose Moth |
| Schinia gaurae J. E. Smith, 1797 | Clouded Crimson |
| Schinia honesta Grote, 1881 | Black-Spotted Gem |
| Schinia illustra Smith, 1906 | Dwarf silktassel |
| Schinia meadi Grote, 1873 | Meads Flower Moth |
| Schinia mortua Grote, 1865 | |
| Schinia nuchalis Grote, 1878 | Spotted Clover Moth |
| Schinia obliqua Smith, 1883 | Western cordilleran bunchberry |
| Schinia sexplagiata Smith, 1891 | Pacific halibut |
| Schinia sueta martini | |
| Schinia tertia Grote, 1874 | |
| Schinia unimacula Smith, 1891 | Pacific halibut |
| Schinia vacciniae H. Edwards, 1875 | Sanddabs |
| Scotogramma fervida Barnes & McD..., 1912 | Sand sole |
| Scotogramma orida Smith, 1903 | Southern peacock sole |
| Scotogramma stretchii H. Edwards, 1887 | Fourspot flounder |
| Setagrotis pallidicollis (Grote, 1880) | ⇒ Setagrotis vocalis Grote, 1879 |
| Setagrotis radiola Hampson, 1903 | |
| Setagrotis vocalis Grote, 1879 | |
| Sideridis fuscolutea Smith, 1892 | |
| 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 |
| Spaelotis havilae Grote, 1881 | Ver-gris glouton |
| Spaelotis velicava Lafontaine, 1998 | |
| Spiramater grandis (Guenée, 1841) | ⇒ Lacanobia grandis Guenée, 1852 |
| Spiramater lutra Guenée, 1852 | Otter Arches |
| Spodoptera exigua Hübner, 1808 | African armyworm |
| Spodoptera ornithogalli Guenée, 1852 | Cotton Cutworm |
| Spodoptera praefica Grote, 1875 | Western yellow-striped armyworm |
| Stibadium spumosum (Grote, 1874) | ⇒ Plagiomimicus spumosum Grote, 1874 |
| Stiria rugifrons Grote, 1874 | Yellow Sunflower Moth |
| Stretchia muricina Grote, 1876 | |
| Stretchia plusiaeformis H. Edwards, 1874 | Balloonfish |
| Striacosta albicosta Smith, 1888 | Western bean cutworm |
| Sutyna privata Walker, 1857 | Private Sallow |
| Sutyna profunda (Smith, 1900) | ⇒ Sutyna privata Walker, 1857 |
| Sympistis acheron J.T.Troubridge, 2008 | Eyed sole |
| Sympistis albifasciata Hampson, 1906 | |
| Sympistis amenthes J.T.Troubridge, 2008 | Eyed sole |
| Sympistis coprocolor Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis corusca Smith, 1899 | |
| Sympistis extremis Smith, 1890 | |
| Sympistis greyi Troubridge &..., 1998 | Little Grass Frogs |
| Sympistis punctilinea Hampson, 1906 | |
| Sympistis saxatilis Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis sesmu J.T.Troubridge, 2008 | Eyed sole |
| Sympistis seth J.T.Troubridge, 2008 | Eyed sole |
| Syngrapha alias Ottolengui, 1902 | Hooked Silver Y |
| Syngrapha angulidens Smith, 1891 | Lizard beetles |
| Syngrapha celsa Edwards, 1881 | Fivelined tonguesole |
| Syngrapha orophila Hampson, 1908 | |
| Syngrapha rectangula Kirby, 1837 | Angulated Cutworm |
| Syngrapha sackenii Grote, 1872 | Threespot flounder |
| Tarache augustipennis Grote, 1875 | Narrow-winged Midget |
| Tarache knowltoni McDunnough, 1940 | |
| Tarache toddi Ferris & Laf..., 2009 | Pickerel Frog |
| Tarachidia binocula (Grote, 1875) | ⇒ Ponometia binocula Grote, 1875 |
| Tarachidia semiflava (Guenée, 1852) | ⇒ Ponometia semiflava Guenée, 1852 |
| Tarachidia tortricina (Zeller, 1872) | ⇒ Ponometia tortricina Zeller, 1872 |
| 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 |
| Trichoclea antica (Smith, 1891) | ⇒ Anarta antica Smith, 1891 |
| Trichoclea decepta (Grote, 1883) | ⇒ Anarta decepta Grote, 1883 |
| Trichoclea edwardsii (Smith, 1887) | ⇒ Anarta edwardsii Smith, 1888 |
| Trichoplusia ni Hübner, 1803 | Cabbage Looper |
| Trichordestra lilacina Harvey, 1874 | Aster Arches |
| Trichordestra liquida Grote, 1881 | |
| Trichordestra tacoma Strecker, 1900 | Tacoma Arches |
| Triocnemis saporis Grote, 1881 | Cliff-brake |
| Tyta luctuosa Denis & Schi..., 1775 | Field bindweed moth |
| Ufeus plicatus Grote, 1878 | Folded Satyr |
| Ufeus satyricus Grote, 1873 | Brown Satyr Moth |
| Xanthia tatago Lafontaine &..., 2003 | Northern Red-legged Frog |
| Xestia (Anomogyna) infimatis Grote, 1880 | |
| Xestia (Anomogyna) mustelina J.B. Smith, 1900 | |
| Xestia (Anomogyna) vernilis Grote, 1879 | |
| Xestia (Megasema) c-nigrum Linnaeus, 1758 | Cutworm Moth |
| Xestia cinerascens Smith, 1891 | Lizard beetles |
| Xestia conchis Grote, 1879 | |
| Xestia finatimis Lafontaine, 1998 | |
| 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 indirecta Grote, 1875 | Oblique Brocade |
| Zosteropoda hirtipes Grote, 1874 | V-lined Quaker Moth |
| Zotheca tranquilla Grote, 1874 | Elder Moth |
