| Abagrotis alternata Grote, 1864 | Greater Red Dart |
| Abagrotis brunneipennis Grote, 1875 | Yankee Dart |
| Abagrotis cupida Grote, 1865 | Brown Climbing Cutworm |
| Abagrotis dickeli Lafontaine, 1998 | |
| Abagrotis duanca Smith, 1908 | Dark Dart Moth |
| Abagrotis hermina Lafontaine, 1998 | |
| Abagrotis nanalis Grote, 1881 | Nanalis Dart Moth |
| 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 trigona Smith, 1893 | Luteous Dart |
| Abagrotis variata Grote, 1876 | |
| Abagrotis vittifrons Grote, 1864 | Pale-edged Dart Moth |
| Abrostola urentis Guenée, 1852 | Nettle Spectacle |
| Achatia distincta Hübner, 1813 | Distinct Quaker |
| Acopa perpallida Grote, 1878 | |
| Acronicta (Acronicta) vulpina (Grote, 1883) | ⇒ Acronicta leporina Linnaeus, 1758 |
| Acronicta americana Harris, 1841 | American Dagger |
| Acronicta dactylina Grote, 1874 | Alder Dagger |
| Acronicta falcula Grote, 1877 | Corylus Dagger Moth |
| Acronicta fallax | Green Marvel |
| Acronicta fragilis Guenée, 1852 | Fragile Dagger |
| Acronicta funeralis Grote & Robi..., 1866 | Funerary Dagger |
| Acronicta furcifera (Guenée, 1852) | ⇒ Acronicta hasta Guenée, 1852 |
| Acronicta grisea (Walker, 1856) | ⇒ Acronicta indica Moore, 1857 |
| Acronicta hasta Guenée, 1852 | Cherry Dagger |
| Acronicta impleta Walker, 1856 | Engelmann's milkweed |
| Acronicta impleta impleta | |
| Acronicta impressa Walker, 1856 | Impressed Dagger |
| Acronicta increta (Morrison, 1974) | ⇒ Acronicta intermedia Warren, 1909 |
| Acronicta innotata Guenée, 1852 | Birch Dagger |
| Acronicta insularis | Cattail Caterpillar Moth |
| Acronicta interrupta Guenée, 1852 | Interrupted Dagger |
| Acronicta lanceolaria Grote, 1875 | Lanceolate Dagger |
| Acronicta lepusculina Guenée, 1852 | Cottonwood Dagger |
| Acronicta lithospila Grote, 1874 | Streaked Dagger |
| Acronicta lobeliae Guenée, 1852 | Great Oak Dagger |
| Acronicta longa Guenée, 1852 | Long-winged Dagger |
| Acronicta mansueta (Smith, 1897) | ⇒ Acronicta falcula Grote, 1877 |
| Acronicta morula Grote & Robi..., 1868 | Ochre Dagger |
| Acronicta noctivaga Grote, 1864 | Dab |
| Acronicta oblinita J.E.Smith, 1797 | Smartweed Caterpillar |
| Acronicta quadrata Grote, 1874 | Quadrate Dagger Moth |
| Acronicta radcliffei Harvey, 1875 | Radcliffe'S Dagger |
| Acronicta retardata Walker, 1861 | Maple Dagger |
| Acronicta sperata Grote, 1873 | Hopeful Dagger |
| Acronicta spinigera Guenée, 1852 | Nondescript Dagger |
| Acronicta superans Guenée, 1852 | Mottled plum-tree dagger moth |
| Acronicta tritona Hübner, 1818 | Cape sole |
| Actebia (Actebia) fennica Tauscher, 1837 | Black Army Cutworm |
| Actebia balanitis (Grote, 1873) | ⇒ Protexarnis balanitis Grote, 1873 |
| Adita chionanthi (Abbot & Smith, 1797) | ⇒ Sympistis chons J.T.Troubridge, 2008 |
| Adonisea avemensis Dyar, 1904 | |
| Adonisea cumatilis Grote, 1865 | |
| Adonisea florida Guenée, 1852 | |
| Adonisea jaguarina Guenée, 1852 | |
| Adonisea meadi Grote, 1873 | |
| Afotella cylindrica Grote, 1880 | |
| Agnorisma bugrai Koçak, 1983 | Collard Dart |
| Agriopodes geminata Smith, 1903 | Green Marvel |
| Agrochola (Sunira) bicolorago Guenée, 1852 | Bicolored Sallow |
| Agrochola (Sunira) verberata Smith, 1904 | |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis daedalus Smith, 1890 | |
| Agrotis decolor (Krüger, 2005) | ⇒ Peridroma saucia Hübner, 1808 |
| Agrotis kingi McDunnough, 1932 | Cushion draba |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis orthogonia Morris, 1876 | Pale Western Cutworm |
| 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 |
| Aletia oxygala (Grote, 1881) | ⇒ Mythimna oxygala Grote, 1881 |
| Allagrapha aerea Hübner, 1802 | Copper Looper Moth |
| Alypia langtoni Couper, 1865 | Fireweed caterpillar |
| Alypia langtonii Couper., 1865 | Fireweed Caterpillar |
| Alypia octomaculata Fabricius, 1775 | Eight-Spotted Forester |
| Amphipoea americana Speyer, 1875 | American Ear |
| Amphipoea interoceanica Smith, 1899 | Interoceanic Ear |
| Amphipoea velata (Walker, 1865) | ⇒ Loscopia velata Walker, 1865 |
| Amphipyra glabella Morrison, 1874 | Grey Amphipyra |
| 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 (Discestra) farnhami Grote, 1873 | |
| Anarta (Discestra) trifolii Hufnagel, 1766 | |
| Anarta antica Smith, 1891 | Lizard beetles |
| Anarta crotchii Grote, 1880 | |
| Anarta decepta Grote, 1883 | Cutworm |
| Anarta hamata McDunnough, 1930 | Spruce snail |
| Anarta inconcinna Smith, 1888 | |
| Anarta luteola (Grote & Robi..., 1865) | ⇒ Coranarta luteola Grote & Robi..., 1865 |
| Anarta mutata Dod, 1913 | Mutant Moth |
| Anarta obesula Smith, 1904 | |
| 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 |
| Anhimella contrahens Walker, 1860 | United Cutworm |
| Anicla exuberans J. B. Smith, 1898 | Exuberant Dart Moth |
| Anicla tepperi Smith, 1888 | Black-girdled Dart Moth |
| Anterastria teratophora Herrich-Schä..., 1854 | Gray Marvel |
| Apamea (Apamea) remissa (Hübner, 1809) | ⇒ Condica vecors Guenée, 1852 |
| Apamea (Apamea) sordens Hufnagel, 1766 | Atlantic sole |
| Apamea alia Guenée, 1852 | Fox Apamea |
| Apamea amputatrix Fitch, 1857 | Yellow Headed Cutworm Moth |
| Apamea apamiformis Guenée, 1852 | Rice worm |
| Apamea burgessi Morrison, 1874 | Burgess' Apamea Moth |
| Apamea cariosa Guenée, 1852 | Nondescript Dagger Moth |
| Apamea cogitata (Smith, 1891) | ⇒ Apamea dubitans Walker, 1856 |
| Apamea commoda Walker, 1857 | Florida Bog Frog |
| Apamea contradicta Smith, 1895 | Northern Banded Quaker |
| Apamea devastator Brace, 1819 | Glassy cutworm |
| Apamea dubitans Walker, 1856 | Doubtful Agroperina |
| Apamea helva Grote, 1875 | Yellow Three Spot |
| 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 lutosa Andrews, 1877 | Opalescent Apamea |
| Apamea niveivenosa Grote, 1879 | Filefishes |
| Apamea plutonia Grote, 1883 | Dusky Apamea |
| Apamea scoparia Mikkola, Mus..., 2000 | Brown tonguesole |
| Apamea sora (Smith, 1903) | ⇒ Apamea auranticolor Grote, 1873 |
| Apamea spaldingi Smith, 1909 | Spalding´s Apamea |
| Apamea verbascoides Guenée, 1852 | Boreal Apamea |
| Apamea vultuosa Grote, 1875 | Airy Apamea |
| Apharetra dentata (Grote, 1875) | ⇒ Sympistis dentata Grote, 1875 |
| Aplectoides condita Guenée, 1852 | |
| Aporophyla orthostigma Stephens, 1829 | |
| Archanara oblonga Grote, 1882 | Oblong Sedge Borer |
| Archanara subflava Grote, 1882 | Subflava Sedge Borer |
| Aseptis characta Grote, 1880 | |
| Aspila oregonica Edwards, 1875 | |
| Athetis euxoa Krüger, 2001 | |
| Athetis miranda (Grote, 1873) | ⇒ Proxenus miranda Grote, 1873 |
| Autographa ampla Walker, 1857 | Broken-banded Y |
| Autographa bimaculata Stephens, 1832 | Double-spotted Spangle |
| Autographa californica Speyer, 1875 | Alfalfa Looper |
| Autographa flagellum Walker, 1857 | Silver Whip |
| Autographa mappa Grote & Robi..., 1868 | Bay whiff |
| Autographa precationis Guenée, 1852 | Common Looper |
| Autographa pseudogamma Grote, 1875 | Delicate Silver Y |
| Autographa rubida Ottolengui, 1902 | |
| Autographa rubidus (Ottolengui, 1902) | ⇒ Autographa rubida Ottolengui, 1902 |
| Balsa labecula Grote, 1880 | White-blotched Balsa |
| Balsa malana Fitch, 1856 | Many Dotted Appleworm Moth |
| Basilodes territans | |
| Bellura gortynoides Walker, 1865 | Green milkweed |
| Bellura obliqua Walker, 1865 | Cattail Borer |
| Bomolocha atomaria Smith, 1903 | |
| Bomolocha palparia (Walker, 1861) | ⇒ Hypena palparia Walker, 1861 |
| Brachionycha borealis Smith, 1899 | Boreal Fan Moth |
| Brachylomia algens Grote, 1878 | |
| Brachylomia discinigra Walker, 1856 | Black-disc Sallow |
| Brachylomia populi Strecker, 1898 | Reticulate spikefish |
| Capis curvata Grote, 1882 | Coffee cliffbrake |
| Capsula oblonga (Grote, 1882) | ⇒ Globia oblonga Grote, 1882 |
| Capsula subflava (Grote, 1882) | ⇒ Globia subflava Grote, 1882 |
| Caradrina (Platyperigea) montana Bremer, 1861 | Civil Rustic |
| Caradrina meralis Morrison, 1875 | Rare Sand Quaker |
| Caradrina multifera Walker, 1856 | Speckled Rustic |
| Catabena lineolata Walker, 1865 | Fine Lined Sallow |
| Celaena reniformis (Grote, 1874) | ⇒ Helotropha reniformis Grote, 1874 |
| Cerastis salicarum Walker, 1857 | Willow Dart |
| Charadra circulifera (Guenée, 1852) | ⇒ Charadra deridens Guenée, 1852 |
| Charadra contigua (Guenée, 1852) | ⇒ Charadra deridens Guenée, 1852 |
| Charadra deridens Guenée, 1852 | Laugher |
| Charadra fumosa (Guenée, 1852) | ⇒ Charadra deridens Guenée, 1852 |
| Charadra ingenua (Smith, 1906) | ⇒ Charadra deridens Guenée, 1852 |
| Charadra sudena (Guenée, 1852) | ⇒ Charadra deridens Guenée, 1852 |
| Chersotis juncta Grote, 1878 | Stirrup and Spear Dart Moth |
| Chorizagrotis auxiliaris (Grote, 1873) | ⇒ Euxoa auxiliaris Grote, 1873 |
| Chortodes basistriga (McDunnough, 1933) | ⇒ Hypocoena basistriga McDunnough, 1933 |
| Chortodes defecta (Grote, 1874) | ⇒ Photedes defecta Grote, 1874 |
| Chortodes inquinata (Guenée, 1852) | ⇒ Hypocoena inquinata Guenée, 1852 |
| Chortodes rufostrigata (Packard, 1867) | ⇒ Hypocoena rufostrigata Packard, 1806 |
| Chrysanympha formosa Grote, 1865 | Formosa Looper |
| Chytonix palliatricula Guenée, 1852 | Cloaked Marvel |
| Coenophila opacifrons Grote, 1878 | Blueberry Dart |
| Colocasia flavicornis Smith, 1884 | Saddled Yellowhorn |
| Colocasia propinquilinea Grote, 1873 | Close-banded Demas |
| Condica andrena Smith, 1911 | Rough triggerfish |
| Condica discistriga Smith, 1894 | Filefishes |
| Condica vecors Guenée, 1852 | Dusky Groundling |
| Condica videns Guenée, 1852 | White Dotted Groundling |
| Conochares arizonae (H. Edwards, 1878) | ⇒ Ponometia elegantula Harvey, 1876 |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| Copablepharon longipenne Grote, 1882 | Coffee cliffbrake |
| Copablepharon viridisparsa Dod, 1916 | Black durgon |
| Copivaleria grotei Smith, 1893 | Grote's Sallow |
| Coranarta luteola Grote & Robi..., 1865 | Halibuts |
| Cosmia (Calymnia) calami Harvey, 1876 | American Dun Bar |
| Crambodes talidiformis Guenée, 1852 | Verbena Moth |
| Crocigrapha normani Grote, 1874 | Climbing cherry cutworm |
| Cryptocala acadiensis Bethune-Baker, 1869 | Catocaline dart |
| Cucullia albida Smith, 1894 | |
| Cucullia antipoda Strecker, 1877 | |
| Cucullia asteroides Guenée, 1852 | Asteroid |
| Cucullia convexipennis Grote & Robi..., 1868 | Aster cutworm |
| 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 montanae Grote, 1882 | Coffee cliffbrake |
| Cucullia omissa Dod, 1916 | Black durgon |
| Cucullia postera Guenée, 1852 | |
| Cucullia pulla Grote, 1881 | |
| Cucullia similaris Smith, 1892 | Planehead filefish |
| Cucullia speyeri Lintner, 1874 | Speyer'S Cucullia Moth |
| Dargida diffusa Walker, 1856 | Wheat Head Armyworm |
| Dargida procinctus Grote, 1873 | Girdler Moth |
| Deltote bellicula Hübner, 1818 | Bog Deltote |
| Diachrysia aereoides Grote, 1864 | Dark-Spotted Looper |
| Diachrysia balluca Geyer, 1832 | Green-patched Looper |
| Diarsia calgary J.B. Smith, 1898 | Calgary Dart |
| Diarsia dislocata J.B. Smith, 1904 | Dislocated Dart |
| Diarsia rosaria Grote, 1878 | Rosey Dart |
| Diarsia rubifera Grote, 1875 | Red Dart |
| Dichagyris variabilis Grote, 1874 | Yellow Dart |
| Discestra crotchii (Grote, 1880) | ⇒ Anarta crotchii Grote, 1880 |
| Discestra farnhami (Grote, 1873) | ⇒ Anarta farnhami Grote, 1873 |
| Discestra hamata (McDunnough, 1930) | ⇒ Anarta hamata McDunnough, 1930 |
| Discestra montanica McDunnough, 1930 | |
| Discestra mutata (Dod, 1913) | ⇒ Anarta mutata Dod, 1913 |
| Discestra obesula (Smith, 1904) | ⇒ Anarta obesula Smith, 1904 |
| Discestra trifolii (Hufnagel, 1766) | ⇒ Nutmeg trifolii Hufnagel, 1766 |
| Dypterygia rozmani Berio, 1974 | American Bird'S-Wing |
| Egira curialis Grote, 1873 | Citrus cutworm |
| Egira dolosa Grote, 1880 | Grieving Woodling |
| Egira rubrica Harvey, 1878 | Bridle triggerfish |
| Elaphria alapallida Pogue & Sull..., 2003 | Pale-winged Midget |
| Enargia decolor Walker, 1858 | Aspen Twoleaf Tier |
| Enargia fausta B.C. Schmidt, 2010 | |
| Enargia infumata Grote, 1874 | Lesser Eyed Sallow |
| Enargia mephisto (Franclemont, 1939) | ⇒ Ufeus felsensteini Lafontaine &..., 2013 |
| Eosphoropteryx thyatyroides Guenée, 1852 | Pink-patched Looper |
| Epidemas obscura (Smith, 1903) | ⇒ Epidemas obscurus Smith, 1903 |
| Epiglaea apiata Grote, 1874 | Cranberry blossom worm |
| Epiglaea decliva Grote, 1874 | Sloping Sallow |
| Eremobina claudens Walker, 1857 | Dark-winged Quaker |
| Eremobina leucoscelis (Grote, 1874) | ⇒ Eremobina claudens Walker, 1857 |
| Eriopyga monopis Dyar, 1914 | |
| Escaria homogena McDunnough, 1922 | |
| Euagrotis exuberans (Smith, 1898) | ⇒ Anicla exuberans J. B. Smith, 1898 |
| Euagrotis tenuescens (Smith, 1890) | ⇒ Anicla tenuescens Smith, 1890 |
| Euagrotis tepperi (Smith, 1887) | ⇒ Anicla tepperi Smith, 1888 |
| Eucirroedia pampina Guenée, 1852 | Scalloped Sallow |
| Euclidina cuspidea Hübner, 1818 | |
| Eueretagrotis attentus Grote, 1874 | Attentive Dart |
| Eueretagrotis perattentus Grote, 1874 | Two-Spot Dart |
| Eueretagrotis sigmoides Guenée, 1852 | Sigmoid Dart |
| Eugnorisma gaurax Pungeler, 1900 | |
| Euplexia benesimilis McDunnough, 1922 | American angle shade |
| Eupsilia devia Grote, 1874 | Lost Sallow |
| Eupsilia sidus Guenée, 1852 | Sidus Sallow |
| Eupsilia tristigmata Grote, 1877 | Brown fruitworm |
| Eupsilia vinulenta Grote, 1864 | Straight-Toothed Sallow |
| 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) 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 (Longivesica) divergens Walker, 1857 | Divergent Dart |
| 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) maimes Smith, 1903 | Southern peacock sole |
| Euxoa (Orosagrotis) manitobana McDunnough, 1925 | Desert draba |
| 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) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa (Pleonectopoda) aurulenta Smith, 1890 | Dune Cutworm |
| 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) tristicula Morrison, 1875 | Early cutworm |
| Euxoa acornis (Smith, 1895) | ⇒ Euxoa aequalis Harvey, 1876 |
| 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 basalis Grote, 1879 | |
| Euxoa bochus Morrison, 1874 | |
| Euxoa brevipennis Smith, 1887 | |
| Euxoa brevistriga (Smith, 1888) | ⇒ 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 cinereopallida (Smith, 1903) | ⇒ Euxoa cinereopallidus Smith, 1903 |
| Euxoa cinereopallidus Smith, 1903 | Southern peacock sole |
| Euxoa citricolor Grote, 1880 | |
| Euxoa clausa McDunnough, 1923 | Openground draba |
| Euxoa comosa Morrison, 1876 | Spotted triggerfish |
| 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 furtiva (Smith, 1890) | ⇒ Euxoa idahoensis Grote, 1878 |
| Euxoa furtivus Smith, 1890 | |
| Euxoa idahoensis Grote, 1878 | |
| Euxoa infausta Walker, 1865 | |
| Euxoa infracta Morrison, 1875 | |
| Euxoa intrita Morrison, 1874 | |
| Euxoa laetificans Smith, 1894 | Filefishes |
| Euxoa medialis Smith, 1888 | Median-banded Dart |
| Euxoa misturata Smith, 1890 | |
| Euxoa mitis Smith, 1894 | Filefishes |
| Euxoa moerens Grote, 1883 | |
| Euxoa munis Grote, 1879 | |
| Euxoa nevada Smith, 1900 | |
| Euxoa niveilinea Grote, 1882 | |
| Euxoa nostra Smith, 1890 | |
| Euxoa obeliscoides Guenée, 1852 | Obelisk Dart |
| Euxoa oberfoelli Hardwick, 1973 | Honeycomb cowfish |
| Euxoa oblongistigma Smith, 1887 | |
| Euxoa olivalis Grote, 1879 | |
| Euxoa pallipennis Smith, 1887 | |
| Euxoa perierga dolomedes Boursin, 1940 | |
| Euxoa plagigera Morrison, 1874 | |
| Euxoa punctigera Walker, 1865 | |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa redimicula Morrison, 1874 | Fillet Dart |
| Euxoa satis Harvey, 1876 | |
| Euxoa servita Smith, 1895 | |
| Euxoa servitus (Smith, 1895) | ⇒ Euxoa servita Smith, 1895 |
| Euxoa spumata McDunnough, 1940 | |
| 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 |
| Euxoa unica McDunnough, 1940 | |
| Euxoa velleripennis Grote, 1874 | Fleece-winged Dart |
| Exyra fax Grote, 1873 | Epauletted Pitcher-plant Moth |
| Faronta diffusa (Walker, 1856) | ⇒ Dargida diffusa Walker, 1856 |
| Faronta rubripennis (Grote & Robi..., 1870) | ⇒ Dargida rubripennis Grote & Robi..., 1870 |
| Faronta tetera (Smith, 1902) | ⇒ Dargida tetera Smith, 1902 |
| Feltia (Feltia) herilis Grote, 1873 | Herald Dart |
| Feltia (Feltia) jaculifera Guenée, 1852 | Dingy cutworm |
| Feltia (Feltia) subgothica Haworth, 1810 | Gothic Dart |
| Feltia (Feltia) tricosa Lintner, 1874 | Confused Dart Moth |
| Feltia (Trichosilia) mollis Walker, 1857 | Soft Dart |
| Feltia (Trichosilia) nigrita (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Feralia comstocki Grote, 1874 | Comstock'S Sallow |
| Feralia jocosa Guenée, 1852 | Jocose Sallow |
| Fishia discors Grote, 1881 | Garden cutworm |
| Fishia enthea (Grote, 1877) | ⇒ Fishia yosemitae Grote, 1873 |
| Fishia illocata Walker, 1857 | Wandering Brocade |
| Fishia instruta (Smith, 1910) | ⇒ Fishia yosemitae Grote, 1873 |
| Fishia yosemitae Grote, 1873 | Dark Gray Fishia |
| Globia oblonga Grote, 1882 | Oblong Sedge Borer Moth |
| Globia subflava Grote, 1882 | Subflava Sedge Borer Moth |
| Graphiphora augur Fabricius, 1775 | Double Dart |
| Hada sutrina Grote, 1881 | Sutrina Moth |
| Hadena capsularis Guenée, 1852 | Capsule Moth |
| Hadena circumvadis Smith, 1902 | Flat cardiapod |
| Hadena goodelli Grote, 1875 | |
| Hadenella pergentilis Grote, 1883 | |
| Harrisimemna trisignata Walker, 1856 | Harris Three-spot |
| Helicoverpa zea Boddie, 1850 | American bollworm |
| Heliothis (Heliothis) acesias (Felder & Rog..., 1872) | ⇒ Heliothis phloxiphaga Grote & Robi..., 1867 |
| Heliothis (Heliothis) borealis Hampson, 1903 | Boreal Gem |
| Heliothis (Heliothis) ononis Denis & Schi..., 1775 | Flax Bollworm |
| Heliothis (Heliothis) oregonica H. Edwards, 1875 | Oregon Gem |
| Heliothis (Heliothis) phloxiphaga Grote & Robi..., 1867 | Artematopid beetles |
| Helotropha reniformis Grote, 1874 | Kidney-spotted Rustic |
| Hemipachnobia monochromatea Morrison, 1874 | Sundew Cutworm Moth |
| Heptagrotis phyllophora (Grote, 1874) | ⇒ Lycophotia phyllophora Grote, 1874 |
| Hillia iris Zetterstedt, 1839 | Iris Rover |
| Homoglaea carbonaria Harvey, 1876 | |
| Homoglaea hircina Morrison, 1875 | Goat sallow |
| Homohadena badistriga (Grote, 1872) | ⇒ Sympistis badistriga Grote, 1872 |
| Homohadena inconstans (Grote, 1883) | ⇒ Sympistis inconstans Grote, 1883 |
| Homohadena infixa (Walker, 1856) | ⇒ Sympistis infixa Walker, 1856 |
| Homohadena stabilis (Smith, 1896) | ⇒ Sympistis stabilis Smith, 1895 |
| Homorthodes furfurata Grote, 1874 | Northern Scurfy Quaker |
| Hydraecia medialis J.B. Smith, 1892 | Planehead filefish |
| Hydraecia pallescens (Smith, 1899) | ⇒ Hydraecia medialis J.B. Smith, 1892 |
| Hydraecia perobliqua Hampson, 1910 | False Rosy Rustic Moth |
| Hypocoena basistriga McDunnough, 1933 | |
| Hypocoena defecta (Grote, 1874) | ⇒ Photedes defecta Grote, 1874 |
| Hypocoena inquinata Guenée, 1852 | Sordid Wainscot |
| Hypocoena rufostrigata Packard, 1806 | Brown-streaked Rustic |
| Hyppa contrasta McDunnough, 1946 | Summer Hyppa Moth |
| Ipimorpha nanaimo Barnes, 1905 | Caribbean puffer |
| 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 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 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 olivacea Morrison, 1874 | Olive Arches |
| Lacinipolia renigera Stephens, 1829 | Bristly Cutworm |
| Lacinipolia sareta (Smith, 1906) | ⇒ Lacinipolia vicina Grote, 1874 |
| Lacinipolia stricta Walker, 1865 | Brown Arches Moth |
| Lacinipolia vicina Grote, 1874 | Neighborly Arches |
| Lasionycta secedens Walker, 1858 | |
| Lateroligia ophiogramma (Esper, 1794) | ⇒ Apamea ophiogramma Esper, 1794 |
| Leucania amygdalina Harvey, 1878 | Northern Linen Wainscot |
| Leucania anteoclara Smith, 1902 | |
| Leucania anteroclara Smith, 1902 | |
| Leucania commoides Guenée, 1852 | Comma Wainscot |
| Leucania dia (Grote, 1879) | ⇒ Leucania insueta Guenée, 1852 |
| Leucania insueta Guenée, 1852 | Heterodox Wainscot |
| Leucania linita Guenée, 1852 | Linen Wainscot |
| Leucania multilinea Walker, 1856 | Engelmann's milkweed |
| Leucania phragmitidicola Guenée, 1852 | Phragmites Wainscot |
| Leuconycta diphteroides Guenée, 1852 | Green Leuconycta |
| Leuconycta lepidula Grote, 1874 | Dark Leuconycta |
| Lithacodia albidula (Guenée, 1852) | ⇒ Protodeltote albidula Guenée, 1852 |
| Lithacodia carneola (Guenée, 1852) | ⇒ Pseudeustrotia carneola Guenée, 1852 |
| Litholomia napaea Morrison, 1874 | False Pinion |
| Lithomoia germana Morrison, 1874 | American Brindle |
| Lithophane adipel (Benjamin, 1936) | ⇒ Lithophane lepida Lintner, 1878 |
| Lithophane amanda Smith, 1900 | Amanda'S Pinion Moth |
| Lithophane baileyi Grote, 1877 | Bailey'S Pinion Moth |
| Lithophane bethunei Grote & Robi..., 1868 | Bay whiff |
| Lithophane disposita Morrison, 1874 | Dashed Gray Pinion |
| Lithophane fagina Morrison, 1874 | Hoary Pinion |
| Lithophane georgii Grote, 1875 | George´s Pinion |
| Lithophane innominata Smith, 1893 | Nameless Pinion |
| Lithophane laticinerea Grote, 1874 | Broad Ashen Pinion |
| Lithophane lepida Lintner, 1878 | Pine Pinion Moth |
| Lithophane petulca Grote, 1874 | Wanton Pinion |
| Lithophane pexata Grote, 1874 | Plush-naped Pinion |
| Lithophane tepida Grote, 1874 | |
| Lithophane thaxteri Grote, 1874 | Nonconformist |
| Lithophane unimoda Lintner, 1878 | Dowdy Pinion |
| Loscopia velata Walker, 1865 | Veiled Ear |
| Luperina passer (Guenée, 1852) | ⇒ Resapamea passer Guenée, 1852 |
| Lycophotia phyllophora Grote, 1874 | Leafy Dart |
| Maliattha synochitis Grote & Robi..., 1868 | Bay whiff |
| Mamestra configurata Walker, 1856 | Bertha Armyworm |
| Mamestra curialis Smith, 1887 | Scripted Arches |
| Megalographa biloba Stephens, 1830 | Bilobed Looper |
| Melanchra adjuncta Boisduval, 1841 | Hitched Arches |
| Melanchra assimilis Morrison, 1874 | Black Arches |
| Melanchra picta Harris, 1841 | Zebra caterpillar |
| Melanchra pulverulenta Smith, 1888 | |
| Melaporphyria immortua Grote, 1874 | Dark-banded Flower Gem |
| Mesapamea fractilinea Grote, 1874 | Broken-lined Brocade |
| Mesapamea stipata (Morrison, 1875) | ⇒ Resapamea stipata Morrison, 1875 |
| Metaxaglaea inulta Grote, 1874 | Arrowwood Sallow |
| Mniotype ducta Grote, 1878 | |
| Mniotype tenera Smith, 1900 | |
| Morrisonia evicta Grote, 1873 | Bicolored Woodgrain |
| Mythimna (Pseudaletia) unipuncta Haworth, 1809 | American armyworm |
| Mythimna oxygala Grote, 1881 | Lesser Wainscot |
| Neoligia subjuncta Smith, 1898 | Connected Brocade |
| Neoligia tonsa Grote, 1880 | |
| Nephelodes minians Guenée, 1852 | Bronzed Cutworm |
| Noctua pronuba Linnaeus, 1758 | Common yellow underwing moth |
| Ochropleura implecta Lafontaine, 1998 | American Flame-shouldered Dart |
| Oligia egens Walker, 1857 | Neumogens Quaker Moth |
| Oligia fractilinea (Grote, 1874) | ⇒ Mesapamea fractilinea Grote, 1874 |
| Oligia illocata (Walker, 1857) | ⇒ Fishia nigrescens Hammond & L...., 2013 |
| Oligia mactata (Guenée, 1852) | ⇒ Platypolia mactata Guenée, 1852 |
| Oligia minuscula Morrison, 1874 | Small Brocade |
| Oligia modica Guenée, 1852 | Black Banded Brocade |
| Oligia obtusa Smith, 1902 | Flat cardiapod |
| Oncocnemis albifasciata (Hampson, 1905) | ⇒ Sympistis albifasciata Hampson, 1906 |
| Oncocnemis augustus (Harvey, 1875) | ⇒ Sympistis augustus Harvey, 1875 |
| Oncocnemis balteata (Smith, 1902) | ⇒ Sympistis balteata Smith, 1902 |
| Oncocnemis cibalis (Grote, 1880) | ⇒ Sympistis cibalis Grote, 1880 |
| Oncocnemis figurata (Harvey, 1875) | ⇒ Sympistis figurata Harvey, 1875 |
| Oncocnemis lepipoloides (McDunnough, 1922) | ⇒ Sympistis lepipoloides McDunnough, 1922 |
| Oncocnemis levis (Grote, 1880) | ⇒ Sympistis levis Grote, 1880 |
| Oncocnemis mackiei (Barnes & Ben..., 1924) | ⇒ Sympistis mackiei Barnes & Ben..., 1924 |
| Oncocnemis occata (Grote, 1874) | ⇒ Sympistis occata Grote, 1875 |
| Oncocnemis pallidior Barnes, 1928 | |
| Oncocnemis piffardi (Walker, 1862) | ⇒ Sympistis piffardi Walker, 1862 |
| Oncocnemis poliochroa Hampson, 1905 | |
| Oncocnemis regina (Smith, 1902) | ⇒ Sympistis regina Smith, 1902 |
| Oncocnemis riparia (Morrison, 1875) | ⇒ Sympistis riparia Morrison, 1875 |
| Oncocnemis sanina (Smith, 1910) | ⇒ Sympistis sanina Smith, 1910 |
| Oncocnemis simplex (Smith, 1888) | ⇒ Sympistis simplex Smith, 1888 |
| Oncocnemis viriditincta (Smith, 1894) | ⇒ Sympistis viriditincta Smith, 1894 |
| Onychagrotis rileyana (Morrison, 1874) | ⇒ Agrotis rileyana Morrison, 1875 |
| Orthodes cynica Guenée, 1852 | Cynical Quaker |
| Orthodes detracta Walker, 1857 | Disparaged Arches |
| Orthodes goodelli Grote, 1875 | Goodell′s Arches |
| Orthodes majuscula Herrich-Schä..., 1868 | Rustic Quaker |
| Orthodes obscura Smith, 1888 | Obscure Quaker |
| Orthosia citima | |
| Orthosia hibisci Guenée, 1852 | Green Fruitworm |
| Orthosia revicta Morrison, 1875 | Rusty whitesided caterpillar |
| Orthosia segregata Smith, 1891 | |
| Othreis phalonia Linnaeus, 1763 | |
| Pachnobia perquiritata Morrison, 1874 | |
| Panthea acronyctoides Walker, 1861 | Black Zigzag |
| Panthea angelica (Dyar, 1921) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea furcilla Packard, 1864 | Eastern Panthea |
| Panthea pallescens (McDunnough, 1937) | ⇒ Panthea furcilla Packard, 1864 |
| Panthea portlandia (Grote, 1896) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea suffusa (Grote, 1880) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea virginaria (Grote, 1880) | ⇒ Panthea virginarius Grote, 1880 |
| Panthea virginarius Grote, 1880 | Cascades Panthea |
| Papaipema aweme Lyman, 1908 | Awame Borer Moth |
| Papaipema birdi Dyar, 1908 | Umbellifer Borer |
| Papaipema cataphracta Grote, 1864 | Burdock Borer |
| Papaipema cerina Grote, 1874 | Golden Borer |
| Papaipema circumlucens Smith, 1899 | Hop Stalk Borer Moth |
| Papaipema furcata Smith, 1899 | Ash tip borer |
| Papaipema harrisii Grote, 1881 | Cow Parsnip Borer Moth |
| Papaipema insulidens Bird, 1902 | Ragwort Stem Borer |
| Papaipema leucostigma Harris, 1841 | Columbine Borer |
| Papaipema nelita Strecker, 1898 | Coneflower Borer |
| Papaipema rigida Grote, 1877 | Rigid Sunflower Borer |
| Papaipema unimoda Smith, 1894 | Filefishes |
| Papestra biren Goeze, 1781 | Glaucous Shears |
| Papestra cristifera Walker, 1858 | |
| Papestra quadrata Smith, 1891 | Lizard beetles |
| Parabagrotis exsertistigma Morrison, 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 | |
| Philometra metonalis (Walker, 1859) | ⇒ Phalaenostola metonalis Walker, 1859 |
| Phlogophora iris Guenée, 1852 | Olive Angle Shades |
| Phlogophora periculosa Guenée, 1852 | Brown angle shades |
| Phosphila miselioides Guenée, 1852 | Spotted Phosphila |
| Photedes defecta Grote, 1874 | Narrow-winged Borer |
| Photedes includens Walker, 1858 | Included Cordgrass Borer |
| Photedes inops Grote, 1881 | Spartina Borer Moth |
| Photedes panatela Smith, 1904 | Northern Cordgrass Borer |
| Plagiomimicus expallidus Grote, 1882 | |
| Plagiomimicus spumosum Grote, 1874 | Frothy Moth |
| Platyperigea meralis (Morrison, 1875) | ⇒ Caradrina meralis Morrison, 1875 |
| Platyperigea montana (Bremer, 1861) | ⇒ Caradrina montana Bremer, 1861 |
| Platypolia anceps Stephens, 1850 | |
| Platypolia mactata Guenée, 1852 | Adorable Brocade |
| Pleromelloida conserta Grote, 1881 | |
| Plusia contexta Grote, 1873 | Connected Looper |
| Plusia putnami Grote, 1873 | Lempke's gold spot |
| Plusia venusta Walker, 1865 | Green milkweed |
| Polia detracta (Walker, 1857) | ⇒ Orthodes detracta Walker, 1857 |
| Polia discalis Grote, 1877 | Threespot flounder |
| Polia imbrifera Guenée, 1852 | Cloudy Arches |
| Polia nimbosa Guenée, 1852 | Stormy Arches |
| Polia nugatis Smith, 1898 | |
| Polia propodea McCabe, 1980 | |
| Polia purpurissata Grote, 1864 | Purple Arches |
| Polia rogenhoferi Möschler, 1870 | Burrfishes |
| Polychrysia esmeralda Oberthur, 1880 | Burrfish |
| 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 erastrioides Guenée, 1852 | Small Bird Dropping Moth |
| Ponometia fasciatella Grote, 1875 | |
| Ponometia semiflava Guenée, 1852 | Half Yellow Moth |
| Ponometia sutrix Grote, 1880 | |
| Ponometia tortricina Zeller, 1872 | |
| Ponometia virginalis Grote, 1881 | |
| Prognorisma substrigata Smith, 1895 | Bottom-striped Dart |
| Protexarnis balanitis Grote, 1873 | |
| Protodeltote albidula Guenée, 1852 | Pale Glyph |
| Protogygia enalaga McDunnough, 1932 | Cushion draba |
| Protogygia postera Fauske & Laf..., 2004 | |
| Protogygia querula Dod, 1915 | Querula Dart |
| Protolampra brunneicollis Grote, 1864 | Brown-collared Dart |
| Protolampra rufipectus Morris, 1874 | Red-breasted Dart Moth |
| Protoperigea posticata Harvey, 1875 | |
| Protorthodes curtica Smith, 1890 | |
| Protorthodes incincta Morrison, 1874 | Banded Quaker |
| Protorthodes oviduca Guenée, 1852 | Ruddy Quaker |
| Protorthodes utahensis (Smith, 1887) | ⇒ Protorthodes incincta Morrison, 1874 |
| Protoschinia nuchalis (Grote, 1878) | ⇒ Schinia nuchalis Grote, 1878 |
| Proxenus mendosa McDunnough, 1927 | Lake Tahoe draba |
| Proxenus miranda Grote, 1873 | Miranda Moth |
| Pseudacontia crustaria Morrison, 1875 | |
| Pseudanarta crocea H. Edwards, 1875 | Sanddabs |
| Pseudanarta pulverulenta Smith, 1891 | Lizard beetles |
| Pseudeustrotia carneola Guenée, 1852 | Pink Barred Lithacodia |
| Pseudeva purpurigera Walker, 1858 | Straight-lined Looper |
| Pseudohermonassa bicarnea Guenée, 1852 | Pink spotted dart |
| Pseudohermonassa tenuicula Morrison, 1874 | Morrison'S Sooty Dart |
| Pseudorthodes vecors Guenée, 1852 | Small Brown Quaker |
| Pseudorthosia variabilis (Grote, 1874) | ⇒ Dichagyris variabilis Grote, 1874 |
| Pyrrhia adela Guenée, 1852 | American Bordered Sallow |
| Pyrrhia cilisca (Guenée, 1852) | ⇒ Pyrrhia umbra Hufnagel, 1766 |
| Pyrrhia exprimens Walker, 1857 | Purple-lined Sallow |
| Rachiplusia ou Guenée, 1852 | Gray Looper |
| Raphia frater Grote, 1864 | Brother |
| Resapamea enargia Barnes & Ben..., 1926 | Shortnosed tripodfish |
| Resapamea passer Guenée, 1852 | Dock Rustic |
| Resapamea stipata Morrison, 1875 | Four-lined Borer |
| Rhizagrotis albalis Grote, 1878 | |
| Rhizagrotis stylata J. B. Smith, 1893 | |
| Rhyacia (Rhyacia) clemens (Smith, 1890) | ⇒ Rhyacia quadrangula Zetterstedt, 1839 |
| Rhynchagrotis cupida (Grote, 1864) | ⇒ Abagrotis cupida Grote, 1865 |
| Schinia acutilinea Grote, 1878 | Acute-Lined Flower Moth |
| Schinia arcigera Guenée, 1852 | Arcigera Flower Moth |
| Schinia avemensis Dyar, 1904 | Gold-edged Gem |
| Schinia bimatris Harvey, 1875 | White Flower Moth |
| Schinia bina Guenée, 1852 | Bina Flower Moth |
| Schinia chrysella Grote, 1874 | |
| Schinia chrysellus (Grote, 1874) | ⇒ Schinia chrysella Grote, 1874 |
| Schinia cumatilis Grote, 1865 | Prairie Sage flower Moth |
| Schinia florida Guenée, 1852 | Evening Primrose Moth |
| Schinia gaurae J. E. Smith, 1797 | Clouded Crimson |
| Schinia jaguarina Guenée, 1852 | Jaguar Flower Moth |
| Schinia lanul (Grote, 1874) | ⇒ Schinia chrysella Grote, 1874 |
| Schinia meadi Grote, 1873 | Meads Flower Moth |
| Schinia nuchalis Grote, 1878 | Spotted Clover Moth |
| Schinia persimilis Grote, 1873 | Persimilis Flower Moth |
| Schinia roseitincta Harvey, 1875 | Rose-coloured Flower Moth |
| Schinia sanguinea Geyer, 1832 | Bleeding Flower Moth |
| Schinia separata (Grote, 1878) | ⇒ Schinia acutilinea Grote, 1878 |
| Schinia sexata (Smith, 1906) | ⇒ Schinia villosa Grote, 1864 |
| Schinia suetus (Grote, 1873) | ⇒ Schinia sueta Grote, 1873 |
| Schinia thoreaui Grote & Robi..., 1870 | Thoreau′s Flower Moth |
| Schinia unimacula Smith, 1891 | Pacific halibut |
| Schinia velutina (Grote, 1878) | ⇒ Schinia acutilinea Grote, 1878 |
| Schinia verna Hardwick, 1983 | Sharptail mola |
| Schinia villosa Grote, 1864 | Little Dark Gem |
| Sciomesa scotochroa Hampson, 1914 | |
| Scotogramma fervida Barnes & McD..., 1912 | Sand sole |
| Scotogramma submarina Grote, 1883 | |
| Setagrotis pallidicollis (Grote, 1880) | ⇒ Setagrotis vocalis Grote, 1879 |
| Sideridis artesta Smith, 1903 | Hairy Artesta Moth |
| Sideridis maryx Guenée, 1852 | Maroonwing |
| Sideridis rosea Harvey, 1874 | False-eye toby |
| Sideridis uscripta Smith, 1891 | Lizard beetles |
| Simyra insularis Herrich-Schä..., 1868 | Cat-tail caterpillar |
| Spaelotis bicava Lafontaine, 1998 | Western w-marked cutworm |
| Spaelotis clandestina Harris, 1841 | Clandestine Dart |
| Spartiniphaga includens (Walker, 1857) | ⇒ Photedes includens Walker, 1858 |
| Spartiniphaga inops (Grote, 1881) | ⇒ Photedes inops Grote, 1881 |
| Spartiniphaga panatela (Smith, 1904) | ⇒ Photedes panatela Smith, 1904 |
| Spiramater grandis (Guenée, 1841) | ⇒ Lacanobia grandis Guenée, 1852 |
| Spiramater lutra Guenée, 1852 | Otter Arches |
| Spodoptera frugiperda Smith & Abbot, 1797 | Corn leaf worm |
| Spodoptera ornithogalli Guenée, 1852 | Cotton Cutworm |
| Spragueia leo Guenée, 1852 | Common Spragueia |
| Stiria rugifrons Grote, 1874 | Yellow Sunflower Moth |
| Stretchia muricina Grote, 1876 | |
| Stretchia plusiaeformis H. Edwards, 1874 | Balloonfish |
| Sunira bicolorago (Guenée, 1852) | ⇒ Agrochola bicolorago Guenée, 1852 |
| Sunira verberata (Smith, 1904) | ⇒ Agrochola verberata Smith, 1904 |
| Sutyna privata Walker, 1857 | Private Sallow |
| Sutyna profundus (Smith, 1900) | ⇒ Sutyna privata Walker, 1857 |
| Sympistis albifasciata Hampson, 1906 | |
| Sympistis augustus Harvey, 1875 | |
| Sympistis badistriga Grote, 1872 | Brown Lined Sallow |
| Sympistis balteata Smith, 1902 | Flat cardiapod |
| Sympistis chionanthi J.E. Smith, 1797 | Fringe Tree Sallow |
| Sympistis cibalis Grote, 1880 | |
| Sympistis dentata Grote, 1875 | Blueberry Sallow |
| Sympistis dinalda J.B. Smith, 1908 | Broad-lined Sallow |
| Sympistis funebris Hübner, 1809 | |
| Sympistis heliophila Paykull, 1793 | |
| Sympistis insanina J.T.Troubridge, 2008 | Eyed sole |
| Sympistis iricolor Smith, 1888 | |
| Sympistis lepipoloides McDunnough, 1922 | Eastern Spadefoot |
| Sympistis levis Grote, 1880 | |
| Sympistis mackiei Barnes & Ben..., 1924 | |
| Sympistis occata Grote, 1875 | Harrow moth |
| Sympistis pallidior Barnes, 1928 | |
| Sympistis piffardi Walker, 1862 | Black-banded Beauty |
| Sympistis poliochroa Hampson, 1906 | |
| Sympistis regina Smith, 1902 | Flat cardiapod |
| Sympistis riparia Morrison, 1875 | Dune sympistis |
| Sympistis sanina Smith, 1910 | |
| Sympistis saundersiana Grote, 1876 | Saunders Oncocnemis |
| Sympistis stabilis Smith, 1895 | Brown Sallow |
| Sympistis viriditincta Smith, 1894 | Filefishes |
| Syngrapha abstrusa Eichlin & Cu..., 1978 | Abstrusa Looper |
| Syngrapha alias Ottolengui, 1902 | Hooked Silver Y |
| Syngrapha diasema Boisduval, 1829 | |
| Syngrapha epigaea Grote, 1874 | Epigaea Looper |
| Syngrapha ignea Grote, 1863 | Mountain Beauty |
| Syngrapha interrogationis Linnaeus, 1758 | Cutworm |
| Syngrapha microgamma Hübner, 1823 | Little Bride Looper Moth |
| Syngrapha montana Packard, 1874 | Labrador Tea Looper |
| Syngrapha octoscripta Grote, 1874 | Dusky Silver Y |
| Syngrapha rectangula Kirby, 1837 | Angulated Cutworm |
| Syngrapha selecta Walker, 1857 | Blue Metal Mark |
| Syngrapha surena Grote, 1882 | Surena Looper |
| Syngrapha viridisigma Grote, 1874 | Green-marked Looper |
| Taeniosea discivaria Walker, 1856 | |
| Tarache augustipennis Grote, 1875 | Narrow-winged Midget |
| Tarachidia binocula (Grote, 1875) | ⇒ Ponometia binocula Grote, 1875 |
| Tarachidia candefacta (Hübner, 1827) | ⇒ Ponometia candefacta Hübner, 1831 |
| Tarachidia erastrioides (Guenée, 1852) | ⇒ Ponometia erastrioides Guenée, 1852 |
| Tarachidia semiflava (Guenée, 1852) | ⇒ Ponometia semiflava Guenée, 1852 |
| Tarachidia tortricina (Zeller, 1872) | ⇒ Ponometia tortricina Zeller, 1872 |
| Tarachidia virginalis (Grote, 1881) | ⇒ Ponometia virginalis Grote, 1881 |
| Therasea augustipennis (Grote, 1875) | ⇒ Thysania agrippina Cramer, 1776 |
| Tholera americana Smith, 1894 | Filefishes |
| Trachea delicata Grote, 1874 | Delicate |
| Trichocerapoda oblita Grote, 1877 | Threespot flounder |
| Trichoclea decepta (Grote, 1883) | ⇒ Anarta decepta Grote, 1883 |
| Tricholita signata Walker, 1860 | Signate Quaker |
| Trichoplusia ni Hübner, 1803 | Cabbage Looper |
| Trichordestra dodii Smith, 1905 | Lacanobia dodii |
| Trichordestra legitima Grote, 1864 | Striped Garden Caterpilla |
| Trichordestra lilacina Harvey, 1874 | Aster Arches |
| Trichordestra liquida Grote, 1881 | |
| Trichordestra tacoma Strecker, 1900 | Tacoma Arches |
| Trichosilia acarnea Graeser, 1892 | |
| Trichosilia grisea (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Trichosilia mollis (Walker, 1856) | ⇒ Feltia mollis Walker, 1857 |
| Trichosilia nigrita (Graeser, 1892) | ⇒ Trichosilia acarnea Graeser, 1892 |
| Ufeus hulsti Smith, 1908 | |
| Ufeus plicatus Grote, 1878 | Folded Satyr |
| Ufeus satyricus Grote, 1873 | Brown Satyr Moth |
| Ulolonche orbiculata Smith, 1891 | Lizard beetles |
| Xanthia tatago Lafontaine &..., 2003 | Northern Red-legged Frog |
| Xestia (Anomogyna) fabulosa Ferguson, 1965 | |
| Xestia (Anomogyna) imperita Hübner, 1831 | |
| Xestia (Anomogyna) perquiritata Morrison, 1875 | Boomerang Dart |
| Xestia (Megasema) c-nigrum Linnaeus, 1758 | Cutworm Moth |
| Xestia bicarnea (Guenée, 1852) | ⇒ Pseudohermonassa bicarnea Guenée, 1852 |
| Xestia dolosa Franclemont, 1980 | Black-Letter Dart |
| Xestia homogena (Staudinger, 1871) | ⇒ Xestia rhaetica Staudinger, 1871 |
| Xestia mixta (Hübner, 1813) | ⇒ Xestia speciosa Hübner, 1813 |
| Xestia normaniana Grote, 1874 | Norman'S Dart Moth |
| Xestia normanianus (Grote, 1874) | ⇒ Xestia normaniana Grote, 1874 |
| Xestia oblata Morrison, 1875 | Rosy Dart |
| Xestia praevia Lafontaine, 1998 | Praevia Dart |
| Xestia smithii Snellen, 1896 | Smith'S Dart |
| 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 |
| Xylotype arcadia Barnes & Ben..., 1922 | Acadian Sallow |
