| Abagrotis alternata Grote, 1864 | Greater Red Dart |
| Abagrotis barnesi Benjamin, 1921 | Well-marked Cutworm |
| Abagrotis brunneipennis Grote, 1875 | Yankee Dart |
| Abagrotis placida Grote, 1876 | Red cutworm |
| Abrostola ovalis Guenée, 1852 | Oval Abrostola |
| Abrostola urentis Guenée, 1852 | Nettle Spectacle |
| Achatia confusa Hübner, 1827 | |
| Achatia distincta Hübner, 1813 | Distinct Quaker |
| Achatia evicta Grote, 1873 | |
| Achatia latex Guenée, 1852 | |
| Achatia mucens Hübner, 1827 | |
| Achatodes zeae Harris, 1841 | Elder borer |
| Acontia (Emmelia) candefacta Hübner, 1831 | |
| Acontia terminimaculata (Grote, 1873) | ⇒ Tarache terminimaculata Grote, 1873 |
| Acronicta (Acronicta) leporina Linnaeus, 1758 | Leporina Dagger Moth |
| Acronicta (Acronicta) vulpina (Grote, 1883) | ⇒ Acronicta leporina Linnaeus, 1758 |
| Acronicta afflicta Grote, 1864 | Afflicted Dagger |
| Acronicta americana Harris, 1841 | American Dagger |
| Acronicta betulae Riley, 1884 | Birch Dagger Moth |
| Acronicta brumosa Guenée, 1852 | Charred Dagger |
| Acronicta clarescens Guenée, 1852 | Clear Dagger |
| Acronicta connecta Grote, 1873 | Connected Dagger |
| Acronicta dactylina Grote, 1874 | Alder Dagger |
| Acronicta distans (Grote, 1879) | ⇒ Acronicta impressa Walker, 1856 |
| Acronicta exilis Grot, 1874 | Exiled 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 grisea (Walker, 1856) | ⇒ Acronicta indica Moore, 1857 |
| Acronicta haesitata Grote, 1882 | Hesitant Dagger |
| Acronicta hamamelis Guenée, 1852 | Puzzling Dagger Moth |
| Acronicta hasta Guenée, 1852 | Cherry Dagger |
| Acronicta impleta Walker, 1856 | Engelmann's milkweed |
| Acronicta impressa Walker, 1856 | Impressed Dagger |
| Acronicta inclara Smith, 1900 | Silktassel |
| Acronicta increta (Morrison, 1974) | ⇒ Acronicta intermedia Warren, 1909 |
| Acronicta indica Moore, 1857 | |
| Acronicta innotata Guenée, 1852 | Birch Dagger |
| Acronicta insularis | Cattail Caterpillar Moth |
| Acronicta intermedia Warren, 1909 | |
| Acronicta interrupta Guenée, 1852 | Interrupted Dagger |
| Acronicta laetifica Smith, 1897 | Lace sole |
| 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 modica Walker, 1856 | Engelmann's milkweed |
| Acronicta morula Grote & Robi..., 1868 | Ochre Dagger |
| Acronicta noctivaga Grote, 1864 | Dab |
| Acronicta oblinita J.E.Smith, 1797 | Smartweed Caterpillar |
| Acronicta ovata Grote, 1873 | Dusty Dagger Moth |
| Acronicta parallela (Grote, 1879) | ⇒ Acronicta falcula Grote, 1877 |
| Acronicta quadrata Grote, 1874 | Quadrate Dagger Moth |
| Acronicta radcliffei Harvey, 1875 | Radcliffe'S Dagger |
| Acronicta retardata Walker, 1861 | Maple Dagger |
| Acronicta rubricoma Guenée, 1852 | Hackberry Dagger |
| Acronicta sperata Grote, 1873 | Hopeful Dagger |
| Acronicta spinigera Guenée, 1852 | Nondescript Dagger |
| Acronicta superans Guenée, 1852 | Mottled plum-tree dagger moth |
| Acronicta tristis Smith, 1911 | Sad Dagger |
| Acronicta tritona Hübner, 1818 | Cape sole |
| Acronicta vinnula Grote, 1864 | Delightful Dagger |
| Actebia (Actebia) fennica Tauscher, 1837 | Black Army Cutworm |
| Adelphagrotis stellaris Grote, 1880 | |
| Adita chionanthi (Abbot & Smith, 1797) | ⇒ Sympistis chons J.T.Troubridge, 2008 |
| Adonisea cumatilis Grote, 1865 | |
| Adonisea florida Guenée, 1852 | |
| Adonisea gloriosa Strecker, 1876 | |
| Adonisea jaguarina Guenée, 1852 | |
| Adonisea lucens Morrison, 1875 | |
| Adonisea lynx Guenée, 1852 | |
| Adonisea mortua Grote, 1864 | |
| Adonisea rivulosa Guenée, 1852 | |
| Adonisea sanguinea Geyer, 1832 | |
| Adonisea tertia Grote, 1874 | |
| Adonisea thoreaui Grote & Robi..., 1870 | |
| Agnorisma badinodis Grote, 1874 | Pale Banded Dart |
| Agnorisma bugrai Koçak, 1983 | Collard Dart |
| Agriopodes fallax (Herrich-Schä..., 1853) | ⇒ Agriopodes geminata Smith, 1903 |
| Agriopodes geminata Smith, 1903 | Green Marvel |
| Agriopodes teratophora (Herrich-Schä..., 1853) | ⇒ Anterastria teratophora Herrich-Schä..., 1854 |
| Agrochola (Sunira) bicolorago Guenée, 1852 | Bicolored Sallow |
| Agrotis (Agrotis) ipsilon Hufnagel, 1766 | Black cutworm |
| Agrotis gladiaria Morris, 1874 | Clay-backed Cutworm |
| Agrotis obliqua Smith, 1903 | Oblique Dart |
| Agrotis rileyana Morrison, 1875 | |
| Agrotis stigmosa Morris, 1874 | Spotted Dart |
| 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 velata (Walker, 1865) | ⇒ Loscopia velata Walker, 1865 |
| Amphipyra (Amphipyra) tragopoginis Clerck, 1759 | Mouse |
| 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) trifolii (Hufnagel, 1766) | ⇒ Nutmeg trifolii Hufnagel, 1766 |
| Anarta (Discestra) trifolii Hufnagel, 1766 | |
| Anarta luteola (Grote & Robi..., 1865) | ⇒ Coranarta luteola Grote & Robi..., 1865 |
| Anathix aggressa Smith, 1907 | Aggressive Sallow |
| Anathix puta Grote, 1868 | Bay whiff |
| Anhimella contrahens Walker, 1860 | United Cutworm |
| Anicla infecta Ochsenheimer, 1816 | Green Cutworm |
| Anicla lubricans Guenée, 1852 | Slippery Dart |
| Anicla tenuescens Smith, 1890 | |
| Anicla tepperi Smith, 1888 | Black-girdled Dart Moth |
| Anterastria teratophora Herrich-Schä..., 1854 | Gray Marvel |
| Apamea (Apamea) lateritia (Hufnagel, 1766) | ⇒ Apamea scoparia Mikkola, Mus..., 2000 |
| Apamea (Apamea) sordens Hufnagel, 1766 | Atlantic sole |
| Apamea sordens finitima Guenée, 1852 | Bordered Apamea |
| Apamea (Apamea) unanimis Hübner, 1813 | Common Green Darner |
| Apamea alia Guenée, 1852 | Fox Apamea |
| Apamea amputatrix Fitch, 1857 | Yellow Headed Cutworm Moth |
| Apamea apamiformis Guenée, 1852 | Rice worm |
| Apamea basilinea (Hufnagel, 1766) | ⇒ Apamea sordens Hufnagel, 1766 |
| Apamea cariosa Guenée, 1852 | Nondescript Dagger Moth |
| Apamea cogitata (Smith, 1891) | ⇒ Apamea dubitans Walker, 1856 |
| Apamea commoda Walker, 1857 | Florida Bog Frog |
| Apamea conradi (Grote, 1879) | ⇒ Apamea inficita Walker, 1857 |
| Apamea devastator Brace, 1819 | Glassy cutworm |
| Apamea dubitans Walker, 1856 | Doubtful Agroperina |
| Apamea finitima (Guenée, 1852) | ⇒ Apamea sordens Hufnagel, 1766 |
| Apamea helva Grote, 1875 | Yellow Three Spot |
| Apamea impulsa Guenée, 1852 | Impulsive Apamea |
| Apamea indocilis Walker, 1856 | Ignorant Apamea |
| Apamea inordinata Morrison, 1875 | Mexican Smilisca |
| Apamea lignicolora Guenée, 1852 | Wood-colored Apamea |
| Apamea lutosa Andrews, 1877 | Opalescent Apamea |
| Apamea nigrior Smith, 1890 | Black-dashed Apamea |
| Apamea niveivenosa Grote, 1879 | Filefishes |
| Apamea ophiogramma Esper, 1794 | Double Lobed |
| Apamea plutonia Grote, 1883 | Dusky 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 | |
| Archanara laeta Morrison, 1875 | Red Sedge Borer |
| Archanara oblonga Grote, 1882 | Oblong Sedge Borer |
| Archanara subflava Grote, 1882 | Subflava Sedge Borer |
| Arzama anoa Dyar, 1914 | |
| Aspila borealis Hampson, 1903 | |
| Aspila subflexa (Guenée, 1852) | ⇒ Heliothis tergemina C. Felder & ..., 1874 |
| 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 |
| Bagisara rectifascia Grote, 1874 | Straight Lined Mallow Moth |
| Balsa labecula Grote, 1880 | White-blotched Balsa |
| Balsa malana Fitch, 1856 | Many Dotted Appleworm Moth |
| Balsa tristrigella Walker, 1866 | Three-lined Balsa |
| Bellura brehmei Barnes & McD..., 1916 | |
| Bellura densa Walker, 1865 | Pickerelweed borer |
| Bellura gortynoides Walker, 1865 | Green milkweed |
| Bellura obliqua Walker, 1865 | Cattail Borer |
| Bellura vulnifica (Grote, 1873) | ⇒ Bellura gortynoides Walker, 1865 |
| Bendis detrahens Walker, 1858 | |
| 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 |
| Bryocodia lepidula Grote, 1874 | |
| Callopistria cordata Ljung., 1825 | Silver-spotted Fern Moth |
| Callopistria floridensis Guenée, 1852 | Florida Callopistria |
| Callopistria mollissima Guenée, 1852 | Pink Shaded Fern Moth |
| Calophasia lunula Hufnagel, 1766 | Atlantic sole |
| Capis curvata Grote, 1882 | Coffee cliffbrake |
| Capsula subflava (Grote, 1882) | ⇒ Globia subflava Grote, 1882 |
| Caradrina (Paradrina) clavipalpis (Scopoli, 1763) | ⇒ Paradrina clavipalpis Scopoli, 1763 |
| 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 fishii Grote, 1878 | Fish'S Dart |
| Cerastis salicarum Walker, 1857 | Willow Dart |
| Cerastis tenebrifera Walker, 1865 | Reddish Speckled Dart |
| Cerma cerintha Treitschke, 1826 | Straightsnout filefish |
| Cerma cora Hübner, 1827 | Bird Dropping Moth |
| Chaetaglaea sericea Morrison, 1874 | Silky Sallow |
| Chamyris cerintha Treitschke, 1825 | |
| Charadra deridens Guenée, 1852 | Laugher |
| Chersotis juncta Grote, 1878 | Stirrup and Spear Dart Moth |
| Chloridea subflexa Guenée, 1852 | Subflexus Straw Moth |
| Chloridea virescens Fabricius, 1777 | Tobacco budworm |
| Chorizagrotis auxiliaris (Grote, 1873) | ⇒ Euxoa auxiliaris Grote, 1873 |
| Chrysanympha formosa Grote, 1865 | Formosa Looper |
| Chrysodeixis includens Walker, 1857 | Cutworm Moth |
| 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 sutor Guenée, 1852 | Cobbler Moth |
| Condica vecors Guenée, 1852 | Dusky Groundling |
| Condica videns Guenée, 1852 | White Dotted Groundling |
| Conservula anodonta Guenée, 1852 | Sharp Angle Shades |
| Copablepharon grandis Strecker, 1875 | Pale Yellow Dune Moth |
| 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 |
| Ctenoplusia (Ctenoplusia) oxygramma Geyer, 1832 | Sharp Stigma Looper |
| Cucullia (Cucullia) lucifuga Denis & Schi..., 1775 | |
| Cucullia asteroides Guenée, 1852 | Asteroid |
| Cucullia convexipennis Grote & Robi..., 1868 | Aster cutworm |
| Cucullia florea Guenée, 1852 | Gray Hooded Owlet |
| Cucullia intermedia Speyer, 1870 | Dusky Hooded Owlet |
| Cucullia montanae Grote, 1882 | Coffee cliffbrake |
| Cucullia omissa Dod, 1916 | Black durgon |
| Cucullia postera Guenée, 1852 | |
| Cucullia speyeri Lintner, 1874 | Speyer'S Cucullia Moth |
| Dargida diffusa Walker, 1856 | Wheat Head Armyworm |
| Dargida procinctus Grote, 1873 | Girdler Moth |
| Dargida rubripennis Grote & Robi..., 1870 | Pink Streak Moth |
| Deltote bellicula Hübner, 1818 | Bog Deltote |
| Diachrysia aereoides Grote, 1864 | Dark-Spotted Looper |
| Diachrysia balluca Geyer, 1832 | Green-patched Looper |
| Diarsia esurialis Grote, 1881 | |
| Diarsia jucunda Walker, 1857 | Smaller Pinkish Dart |
| Diarsia rosaria Grote, 1878 | Rosey Dart |
| Diarsia rubifera Grote, 1875 | Red Dart |
| Dypterygia rozmani Berio, 1974 | American Bird'S-Wing |
| Egira dolosa Grote, 1880 | Grieving Woodling |
| Elaphria alapallida Pogue & Sull..., 2003 | Pale-winged Midget |
| Elaphria festivoides Guenée, 1852 | Festive Midget |
| Elaphria grata Hübner, 1827 | Grateful Midget |
| Elaphria versicolor Grote, 1874 | Fir harlequin |
| Enargia decolor Walker, 1858 | Aspen Twoleaf Tier |
| Enargia infumata Grote, 1874 | Lesser Eyed Sallow |
| Eosphoropteryx thyatyroides Guenée, 1852 | Pink-patched Looper |
| 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 | |
| Euagrotis forbesi (Franclemont, 1952) | ⇒ Anicla forbesi Franclemont, 1952 |
| Euagrotis tenuescens (Smith, 1890) | ⇒ Anicla tenuescens Smith, 1890 |
| Euagrotis tepperi (Smith, 1887) | ⇒ Anicla tepperi Smith, 1888 |
| Eucirroedia pampina Guenée, 1852 | Scalloped Sallow |
| Eucoptocnemis fimbriaris Guenée, 1852 | Fringed Dart |
| Eudryas grata Fabricius, 1793 | Beautiful wood nymph |
| Eudryas unio Hübner, 1827 | Pearly wood nymph |
| Eueretagrotis attentus Grote, 1874 | Attentive Dart |
| Eueretagrotis perattentus Grote, 1874 | Two-Spot Dart |
| Eueretagrotis sigmoides Guenée, 1852 | Sigmoid Dart |
| Eulonche lanceolaria Grote, 1875 | |
| Euplexia benesimilis McDunnough, 1922 | American angle shade |
| Eupsilia devia Grote, 1874 | Lost Sallow |
| Eupsilia morrisoni Grote, 1874 | Morrison'S 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 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) ochrogaster Guenée, 1852 | Red-backed Cutworm |
| Euxoa (Longivesica) divergens Walker, 1857 | Divergent Dart |
| Euxoa (Longivesica) messoria Harris, 1841 | Dark-sided Cutworm |
| Euxoa (Longivesica) sinelinea Hardwick, 1965 | |
| Euxoa (Orosagrotis) perpolita Morrison, 1876 | Polished Dart |
| Euxoa (Palaeoeuxoa) mimallonis Grote, 1873 | Ruddy-winged Dart |
| Euxoa (Pleonectopoda) scandens Riley, 1869 | White cutworm |
| Euxoa (Pleonectopoda) tristicula Morrison, 1875 | Early cutworm |
| Euxoa albipennis Grote, 1877 | White-striped Dart |
| Euxoa campestris Grote, 1875 | Flat Dart |
| 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 immixta Grote, 1880 | Mixed Dart |
| Euxoa intrita Morrison, 1874 | |
| Euxoa medialis Smith, 1888 | Median-banded Dart |
| Euxoa niveilinea Grote, 1882 | |
| Euxoa obeliscoides Guenée, 1852 | Obelisk Dart |
| Euxoa quadridentata Grote & Robi..., 1865 | Halibuts |
| Euxoa redimicula Morrison, 1874 | Fillet Dart |
| Euxoa scholastica McDunnough, 1920 | Scholastic Dart |
| Euxoa tessellata Harris, 1841 | Striped Cutworm |
| Euxoa velleripennis Grote, 1874 | Fleece-winged Dart |
| Extrakunia jocosa Guenée, 1852 | |
| Exyra fax Grote, 1873 | Epauletted Pitcher-plant Moth |
| Fagitana littera Guenée, 1852 | Marsh Fern Moth |
| Faronta rubripennis (Grote & Robi..., 1870) | ⇒ Dargida rubripennis Grote & Robi..., 1870 |
| 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 |
| Feltia (Feltia) tricosa Lintner, 1874 | Confused Dart Moth |
| Feltia (Trichosilia) mollis Walker, 1857 | Soft Dart |
| Feralia comstocki Grote, 1874 | Comstock'S Sallow |
| Feralia jocosa Guenée, 1852 | Jocose Sallow |
| Feralia major J. B. Smith, 1890 | Major Sallow |
| Fishia illocata Walker, 1857 | Wandering Brocade |
| Galgula partita Guenée, 1852 | The Wedgeling |
| Globia laeta Morrison, 1875 | |
| Globia oblonga Grote, 1882 | Oblong Sedge Borer Moth |
| Globia subflava Grote, 1882 | Subflava Sedge Borer Moth |
| Graphiphora augur Fabricius, 1775 | Double Dart |
| Hadena capsularis Guenée, 1852 | Capsule Moth |
| Hadena ectypa Morrison, 1875 | Campion Coronet |
| Hadena goodelli Grote, 1875 | |
| Hadula trifolii Hufnagel, 1766 | Clover cutworm |
| Haploolophus mollissima Guenée, 1852 | |
| Harrisimemna trisignata Walker, 1856 | Harris Three-spot |
| Harutaeographa adusta Hreblay & L...., 1999 | |
| 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) phloxiphaga Grote & Robi..., 1867 | Artematopid beetles |
| Heliothis (Heliothis) subflexa Guenée, 1852 | Subflexus Straw |
| Heliothis (Heliothis) virescens Fabricius, 1777 | Tobacco budworm |
| Helotropha reniformis Grote, 1874 | Kidney-spotted Rustic |
| Hemipachnobia monochromatea Morrison, 1874 | Sundew Cutworm Moth |
| Hemipachnobia subporphyrea Walker, 1858 | Venus Flytrap Cutworm |
| Heptagrotis phyllophora (Grote, 1874) | ⇒ Lycophotia phyllophora Grote, 1874 |
| Hillia iris Zetterstedt, 1839 | Iris Rover |
| Homoglaea hircina Morrison, 1875 | Goat sallow |
| Homohadena badistriga (Grote, 1872) | ⇒ Sympistis badistriga Grote, 1872 |
| Homohadena fifia (Dyar, 1904) | ⇒ Sympistis fifia Dyar, 1904 |
| Homohadena stabilis (Smith, 1896) | ⇒ Sympistis stabilis Smith, 1895 |
| Homophoberia apicosa Haworth, 1809 | Black Wedge Spot |
| Homorthodes furfurata Grote, 1874 | Northern Scurfy Quaker |
| Homorthodes reliqua Smith, 1899 | |
| Hydraecia immanis Guenée, 1852 | Hop borer |
| Hydraecia perobliqua Hampson, 1910 | False Rosy Rustic Moth |
| Hydraecia stramentosa Guenée, 1852 | |
| Hypocoena basistriga McDunnough, 1933 | |
| Hypocoena inquinata Guenée, 1852 | Sordid Wainscot |
| Hypocoena rufostrigata Packard, 1806 | Brown-streaked Rustic |
| Hyppa xylinoides Guenée, 1852 | Common Hyppa |
| 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 anguina Grote, 1881 | Snaky Arches |
| 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 vicina Grote, 1874 | Neighborly Arches |
| Lasionycta secedens Walker, 1858 | |
| Lasionycta taigata Lafontaine, 1988 | |
| Lateroligia ophiogramma (Esper, 1794) | ⇒ Apamea ophiogramma Esper, 1794 |
| Lemmeria digitalis Grote, 1882 | Fingered Lemmeria |
| Leucania amygdalina Harvey, 1878 | Northern Linen Wainscot |
| Leucania commoides Guenée, 1852 | Comma Wainscot |
| Leucania inermis Forbes, 1936 | Unarmed Wainscot |
| Leucania insueta Guenée, 1852 | Heterodox Wainscot |
| Leucania lapidaria Grote, 1876 | |
| Leucania linda Franclemont, 1952 | Fourlin tonguesole |
| Leucania linita Guenée, 1852 | Linen Wainscot |
| Leucania multilinea Walker, 1856 | Engelmann's milkweed |
| Leucania phragmitidicola Guenée, 1852 | Phragmites Wainscot |
| Leucania pseudargyria Guenée, 1852 | False Wainscot |
| Leucania ursula Forbes, 1936 | Ursula Wainscot |
| Leuconycta diphteroides Guenée, 1852 | Green Leuconycta |
| Leuconycta lepidula Grote, 1874 | Dark Leuconycta |
| Lithacodia albidula (Guenée, 1852) | ⇒ Protodeltote albidula Guenée, 1852 |
| Lithacodia bellicula (Hübner, 1818) | ⇒ Deltote bellicula Hübner, 1818 |
| Lithacodia carneola (Guenée, 1852) | ⇒ Pseudeustrotia carneola Guenée, 1852 |
| Lithacodia concinnimacula (Guenée, 1852) | ⇒ Maliattha concinnimacula Guenée, 1852 |
| Lithacodia muscosula (Guenée, 1852) | ⇒ Protodeltote muscosula Guenée, 1852 |
| Lithacodia synochitis (Grote & Robi..., 1868) | ⇒ Maliattha synochitis Grote & Robi..., 1868 |
| 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 antennata Walker, 1858 | Ashen Pinion |
| 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 franclemonti Metzler, 1998 | Guineafowl puffer |
| Lithophane georgii Grote, 1875 | George´s Pinion |
| Lithophane grotei Riley, 1882 | Blacklined blowfish |
| Lithophane hemina Grote, 1879 | Hemina Pinion |
| Lithophane innominata Smith, 1893 | Nameless Pinion |
| Lithophane lanei J.T.Troubridge, 2006 | |
| Lithophane laticinerea Grote, 1874 | Broad Ashen Pinion |
| Lithophane lemmeri Barnes & Ben..., 1929 | Lemmer's Pinion Moth |
| Lithophane lepida Lintner, 1878 | Pine Pinion Moth |
| Lithophane oriunda Grote, 1874 | Immigrant Pinion |
| Lithophane patefacta Walker, 1858 | Dimorphic Pinion |
| Lithophane petulca Grote, 1874 | Wanton Pinion |
| Lithophane pexata Grote, 1874 | Plush-naped Pinion |
| Lithophane scottae J.T.Troubridge, 2006 | |
| Lithophane semiusta Grote, 1874 | Singed Pinion |
| Lithophane signosa Walker, 1857 | Signate Pinion |
| Lithophane tepida Grote, 1874 | |
| Lithophane thaxteri Grote, 1874 | Nonconformist |
| Lithophane unimoda Lintner, 1878 | Dowdy Pinion |
| Loscopia velata Walker, 1865 | Veiled Ear |
| Luperina obtusa Smith, 1902 | |
| Luperina passer (Guenée, 1852) | ⇒ Resapamea passer Guenée, 1852 |
| Luperina stipata (Morrison, 1875) | ⇒ Resapamea stipata Morrison, 1875 |
| Lycophotia phyllophora Grote, 1874 | Leafy Dart |
| Macronoctua onusta Grote, 1874 | Iris borer |
| Magusa divaricata (Grote, 1874) | ⇒ Magusa orbifera Walker, 1857 |
| Magusa orbifera Walker, 1857 | Orbed Narrow-wing |
| Maliattha synochitis Grote & Robi..., 1868 | Bay whiff |
| Mamestra configurata Walker, 1856 | Bertha Armyworm |
| 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 |
| Menopsimus caducus (Dyar, 1907) | ⇒ Hypenodes caducus Dyar, 1907 |
| Meropleon ambifusca Newman, 1948 | Newman's Brocade |
| Meropleon diversicolor Morrison, 1874 | Multicolored Sedgeminer |
| Mesapamea fractilinea Grote, 1874 | Broken-lined Brocade |
| Metalepsis fishii (Grote, 1878) | ⇒ Cerastis fishii Grote, 1878 |
| Metalepsis salicarum (Walker, 1857) | ⇒ Cerastis salicarum Walker, 1857 |
| Metaxaglaea inulta Grote, 1874 | Arrowwood Sallow |
| Mormonia antinympha Hübner, 1827 | |
| Mormonia epione Drury, 1773 | Grapevine looper |
| Mormonia neogama Smith & Abbot, 1797 | Black Dash |
| Morrisonia confusa Hübner, 1831 | Confused Woodgrain |
| Morrisonia evicta Grote, 1873 | Bicolored Woodgrain |
| Morrisonia latex Guenée, 1852 | Fluid Arches |
| Mythimna (Pseudaletia) unipuncta Haworth, 1809 | American armyworm |
| Mythimna oxygala Grote, 1881 | Lesser Wainscot |
| Nedra ramosula Guenée, 1841 | Gray Half Spot |
| Neoerastria apicosa (Haworth, 1809) | ⇒ Homophoberia apicosa Haworth, 1809 |
| Neoligia exhausta Smith, 1903 | Exhausted Brocade |
| Neoligia subjuncta Smith, 1898 | Connected Brocade |
| Nephelodes minians Guenée, 1852 | Bronzed Cutworm |
| Noctua pronuba Linnaeus, 1758 | Common yellow underwing moth |
| Ochropleura implecta Lafontaine, 1998 | American Flame-shouldered Dart |
| Ogdoconta cinereola Guenée, 1852 | Common Pinkband |
| Oligia bridghamii Grote & Robi..., 1866 | Bridgham's Brocade |
| Oligia chlorostigma Harvey, 1876 | Yellow-spotted Brocade |
| Oligia egens Walker, 1857 | Neumogens Quaker Moth |
| Oligia exhausta (Smith, 1903) | ⇒ Neoligia exhausta Smith, 1903 |
| 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 semicana (Walker, 1865) | ⇒ Neoligia semicana Walker, 1865 |
| Oncocnemis piffardi (Walker, 1862) | ⇒ Sympistis piffardi Walker, 1862 |
| Oncocnemis riparia (Morrison, 1875) | ⇒ Sympistis riparia Morrison, 1875 |
| Oria insularis Herrich-Schä..., 1898 | |
| 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 alurina Smith, 1902 | Flat cardiapod |
| Orthosia garmani Grote, 1879 | Garman'S Quaker |
| Orthosia hibisci Guenée, 1852 | Green Fruitworm |
| Orthosia revicta Morrison, 1875 | Rusty whitesided caterpillar |
| Orthosia rubescens Walker, 1865 | Ruby Quaker |
| Pachnobia mixta Walker, 1856 | |
| Pachypolia atricornis Grote, 1874 | Autumnal Noctuid Moth |
| Panthea acronyctoides Walker, 1861 | Black Zigzag |
| Panthea furcilla Packard, 1864 | Eastern Panthea |
| Papaipema appassionata Harvey, 1876 | Pitcher Plant Borer |
| Papaipema arctivorens Hampson, 1910 | Northern Burdock Borer |
| Papaipema astuta Bird, 1907 | Yellow Stoneroot Borer |
| Papaipema aweme Lyman, 1908 | Awame Borer Moth |
| Papaipema baptisiae Bird, 1902 | Indigo Stem Borer |
| Papaipema birdi Dyar, 1908 | Umbellifer Borer |
| Papaipema cataphracta Grote, 1864 | Burdock Borer |
| Papaipema circumlucens Smith, 1899 | Hop Stalk Borer Moth |
| Papaipema eryngii Bird, 1917 | Rattlesnake Master Borer |
| Papaipema eupatorii Lyman, 1905 | Eupatorium |
| Papaipema furcata Smith, 1899 | Ash tip borer |
| Papaipema harrisii Grote, 1881 | Cow Parsnip Borer Moth |
| Papaipema impecuniosa Grote, 1881 | Arster Borer |
| Papaipema inquaesita Grote & Robi..., 1868 | Sensitive Fern Borer |
| Papaipema leucostigma Harris, 1841 | Columbine Borer |
| Papaipema lysimachiae Bird, 1914 | Loosestrife Borer |
| Papaipema marginidens Guenée, 1852 | Brick-red Borer |
| Papaipema maritima Bird, 1909 | Giant Sunflower Borer |
| Papaipema nebris Guenée, 1852 | Common stalk borer |
| Papaipema necopina Grote, 1876 | Sunflower Borer |
| Papaipema nepheleptena Dyar, 1908 | Turtle Head Borer |
| Papaipema pterisii Bird, 1907 | Bracken Borer |
| Papaipema rigida Grote, 1877 | Rigid Sunflower Borer |
| Papaipema rutila Guenée, 1852 | Mayapple Borer |
| Papaipema sciata Bird, 1908 | Cluvers Root Borer |
| Papaipema silphii Bird, 1915 | Silphium Borer Moth |
| 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 |
| Perigea xanthioides Guenée, 1852 | Pied groundling |
| Phalaena chorebus Cramer, 1777 | |
| Philometra eumelusalis Walker, 1859 | |
| Philometra hanhami Smith, 1899 | |
| 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 inops Grote, 1881 | Spartina Borer Moth |
| Plagiomimicus expallidus Grote, 1882 | |
| Plagiomimicus pityochromus Grote, 1873 | Black Barred Brown |
| Plagiomimicus spumosum Grote, 1874 | Frothy Moth |
| Platypolia anceps Stephens, 1850 | |
| Platypolia loda Strecker, 1898 | Reticulate spikefish |
| Platypolia mactata Guenée, 1852 | Adorable Brocade |
| Platysenta videns (Guenée, 1852) | ⇒ Condica videns Guenée, 1852 |
| Plusia contexta Grote, 1873 | Connected Looper |
| Plusia magnimacula D. Handfield..., 2006 | Lowland Burrowing Treefrog |
| Plusia putnami Grote, 1873 | Lempke's gold spot |
| Plusia venusta Walker, 1865 | Green milkweed |
| Polia imbrifera Guenée, 1852 | Cloudy Arches |
| Polia nimbosa Guenée, 1852 | Stormy Arches |
| Polia propodea McCabe, 1980 | |
| Polia purpurissata Grote, 1864 | Purple Arches |
| Polia rogenhoferi Möschler, 1870 | Burrfishes |
| Ponometia binocula Grote, 1875 | Prairie Bird-dropping Moth |
| Ponometia candefacta Hübner, 1831 | Olive Shaded Bird Dropping Moth |
| Ponometia erastrioides Guenée, 1852 | Small Bird Dropping Moth |
| Ponometia tortricina Zeller, 1872 | |
| Protagrotis niveivenosa (Grote, 1879) | ⇒ Apamea niveivenosa Grote, 1879 |
| Protocryphia secta Grote, 1879 | |
| Protodeltote albidula Guenée, 1852 | Pale Glyph |
| Protodeltote muscosula Guenée, 1852 | Large Mossy Glyph |
| Protolampra brunneicollis Grote, 1864 | Brown-collared Dart |
| Protorthodes incincta Morrison, 1874 | Banded Quaker |
| Protorthodes oviduca Guenée, 1852 | Ruddy Quaker |
| Protoschinia nuchalis (Grote, 1878) | ⇒ Schinia nuchalis Grote, 1878 |
| Protoschinia scutosa (Denis & Schi..., 1775) | ⇒ Schinia nuchalis Grote, 1878 |
| Proxenus mendosa McDunnough, 1927 | Lake Tahoe draba |
| Proxenus miranda Grote, 1873 | Miranda Moth |
| Psaphida electilis Morrison, 1875 | Chosen Sallow |
| Psaphida grotei (Morrison, 1874) | ⇒ Copivaleria grotei Smith, 1893 |
| Psaphida resumens Walker, 1865 | Figure Eight Sallow |
| Psaphida rolandi Grote, 1874 | Roland'S Sallow |
| 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 |
| Psychomorpha epimenis Drury, 1780 | Grapevine Epimenis |
| Pyreferra citrombra Franclemont, 1941 | Citrine Sallow |
| Pyreferra pettiti Grote, 1875 | Pettit'S Sallow |
| Pyrrhia exprimens Walker, 1857 | Purple-lined Sallow |
| Pyrrhia umbra Hufnagel, 1766 | Bordered Sallow |
| Rachiplusia ou Guenée, 1852 | Gray Looper |
| Raphia abrupta Grote, 1863 | Abrupt Brother |
| Raphia frater Grote, 1864 | Brother |
| Remigia hexastylus (Morrison, 1875) | ⇒ Bulia schausi Richards, 1941 |
| Remigia virbia Cramer, 1780 | |
| Resapamea passer Guenée, 1852 | Dock Rustic |
| Resapamea stipata Morrison, 1875 | Four-lined Borer |
| Rhodoecia aurantiago Guenée, 1852 | Aureolaria Seed Borer |
| Rhynchagrotis adulta (Guenée, 1852) | ⇒ Abagrotis brunneipennis Grote, 1875 |
| Rhynchagrotis anchocelioides (Guenée, 1852) | ⇒ Abagrotis brunneipennis Grote, 1875 |
| Rhynchagrotis cupida (Grote, 1864) | ⇒ Abagrotis cupida Grote, 1865 |
| Richia albicosta (Smith, 1888) | ⇒ Striacosta albicosta Smith, 1888 |
| Richia grotei (Franclemont ..., 1983) | ⇒ Dichagyris grotei Franclemont ..., 1983 |
| Safia amella Guenée, 1852 | |
| Schinia arcigera Guenée, 1852 | Arcigera Flower Moth |
| Schinia florida Guenée, 1852 | Evening Primrose Moth |
| Schinia gracilenta Hübner, 1818 | Iva Flower Moth |
| Schinia grandimedia Hardwick, 1996 | Boneset Flower Moth |
| Schinia hulstia Tepper, 1883 | Hulsts Flower Moth |
| Schinia indiana Smith, 1908 | Phlox Moth |
| Schinia jaguarina Guenée, 1852 | Jaguar Flower Moth |
| Schinia lucens Morrison, 1875 | False Indigo Flower Moth |
| Schinia lynx Grote, 1881 | Lynx Flower Moth |
| Schinia nuchalis Grote, 1878 | Spotted Clover Moth |
| Schinia nundina Drury, 1773 | Goldenrod Flower Moth |
| Schinia obscurata Strecker, 1898 | Erigeron Flower Moth |
| Schinia rivulosa Guenée, 1852 | Ragweed Flower |
| Schinia sanguinea Geyer, 1832 | Bleeding Flower Moth |
| Schinia septentrionalis Walker, 1858 | Aster Flower Moth |
| Schinia tertia Grote, 1874 | |
| Schinia trifascia Hübner, 1818 | Three-Lined Flower Moth |
| Sideridis maryx Guenée, 1852 | Maroonwing |
| Sideridis rosea Harvey, 1874 | False-eye toby |
| Simyra henrici (Grote, 1873) | ⇒ Simyra insularis Herrich-Schä..., 1868 |
| Simyra insularis Herrich-Schä..., 1868 | Cat-tail caterpillar |
| Spaelotis clandestina Harris, 1841 | Clandestine Dart |
| Spaelotis havilae Grote, 1881 | Ver-gris glouton |
| 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 exigua Hübner, 1808 | African armyworm |
| Spodoptera frugiperda Smith & Abbot, 1797 | Corn leaf worm |
| Spodoptera ornithogalli Guenée, 1852 | Cotton Cutworm |
| Stibadium spumosum (Grote, 1874) | ⇒ Plagiomimicus spumosum Grote, 1874 |
| Stiria rugifrons Grote, 1874 | Yellow Sunflower Moth |
| Striacosta albicosta Smith, 1888 | Western bean cutworm |
| Sunira bicolorago (Guenée, 1852) | ⇒ Agrochola bicolorago Guenée, 1852 |
| Sutyna privata Walker, 1857 | Private Sallow |
| Sutyna profunda (Smith, 1900) | ⇒ Sutyna privata Walker, 1857 |
| Sympistis badistriga Grote, 1872 | Brown Lined Sallow |
| Sympistis chionanthi J.E. Smith, 1797 | Fringe Tree Sallow |
| Sympistis chons J.T.Troubridge, 2008 | Eyed sole |
| Sympistis dentata Grote, 1875 | Blueberry Sallow |
| Sympistis dinalda J.B. Smith, 1908 | Broad-lined Sallow |
| Sympistis riparia Morrison, 1875 | Dune sympistis |
| Sympistis tenuistriga McDunnough, 1940 | |
| Syngrapha abstrusa Eichlin & Cu..., 1978 | Abstrusa Looper |
| Syngrapha alias Ottolengui, 1902 | Hooked Silver Y |
| Syngrapha altera Ottolengui, 1902 | |
| Syngrapha cryptica Eichlin & Cu..., 1978 | Cryptic Looper |
| Syngrapha epigaea Grote, 1874 | Epigaea Looper |
| Syngrapha hochenwarthi Hochenwarth, 1785 | |
| 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 uaureum Guenée, 1852 | |
| Syngrapha viridisigma Grote, 1874 | Green-marked Looper |
| Tarache aprica Hübner, 1808 | Exposed Bird Dropping Moth |
| 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 |
| Therasea augustipennis (Grote, 1875) | ⇒ Thysania agrippina Cramer, 1776 |
| Trachea delicata Grote, 1874 | Delicate |
| Trichoclea artesta (Smith, 1903) | ⇒ Sideridis artesta Smith, 1903 |
| Tricholita notata Strecker, 1898 | |
| Tricholita signata Walker, 1860 | Signate Quaker |
| Trichoplusia ni Hübner, 1803 | Cabbage Looper |
| Trichordestra legitima Grote, 1864 | Striped Garden Caterpilla |
| Trichordestra lilacina Harvey, 1874 | Aster Arches |
| Trichordestra rugosa Morrison, 1875 | Wrinkled Arches |
| Trichordestra tacoma Strecker, 1900 | Tacoma Arches |
| Trichosilia geniculata (Grote & Robi..., 1868) | ⇒ Feltia geniculata Grote & Robi..., 1868 |
| Ufeus plicatus Grote, 1878 | Folded Satyr |
| Ufeus satyricus Grote, 1873 | Brown Satyr Moth |
| Ulolonche culea Guenée, 1852 | Sheathed Quaker |
| Ulolonche modesta Morrison, 1874 | Modest Quaker |
| Xanthia tatago Lafontaine &..., 2003 | Northern Red-legged Frog |
| Xestia (Anomogyna) badicollis Grote, 1873 | Northern Conifer Dart |
| Xestia (Anomogyna) dilucida Morrison, 1875 | Dull Reddish Dart |
| Xestia (Anomogyna) elimata Guenée, 1852 | Chameleon caterpillar |
| Xestia (Anomogyna) perquiritata Morrison, 1875 | Boomerang Dart |
| Xestia (Anomogyna) youngii (Malloch, 1914) | ⇒ Xestia dilucida Morrison, 1875 |
| Xestia (Megasema) c-nigrum Linnaeus, 1758 | Cutworm Moth |
| Xestia dolosa Franclemont, 1980 | Black-Letter Dart |
| 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 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 |
