| Abagrotis trigona Smith, 1893 | Luteous Dart |
| Acentria ephemerella Hübner, 1813 | European water moth |
| Achytonix epipaschia (Grote, 1882) | ⇒ Cosmia epipaschia Grote, 1883 |
| Agrochola (Sunira) verberata Smith, 1904 | |
| Anteos clorinde Godart, 1824 | Ghost Brimstone |
| Antharmostes papilio papilio Prout L. B., 1912 | |
| Apamea amputatrix Fitch, 1857 | Yellow Headed Cutworm Moth |
| Apamea devastator Brace, 1819 | Glassy cutworm |
| Apamea occidens Grote, 1878 | Western Apamea |
| Apodemia mormo C. Felder & ..., 1859 | Antioch Metalmark |
| Archips semiferanus Walker, 1863 | American Twist |
| Argyrotaenia dorsalana Dyar, 1902 | |
| Aseptis geminimacula Dyar, 1904 | |
| Asturodes fimbriauralis Guenée, 1854 | |
| Autographa californica Speyer, 1875 | Alfalfa Looper |
| Bertholdia trigona Grote, 1879 | Grotes Bertholdia Moth |
| Brachylomia discinigra Walker, 1856 | Black-disc Sallow |
| Brachylomia populi Strecker, 1898 | Reticulate spikefish |
| Callophrys (Callophrys) affinis (Edwards, 1862) | ⇒ Callophrys dumetorum Boisduval, 1852 |
| Callophrys (Incisalia) niphon Hübner, 1823 | Eastern Pine Elfin |
| Campaea perlata Guenée, 1858 | Fringed looper |
| Castalius mindarus Felder & Felder, 1865 | |
| Catocala aholibah Strecker, 1874 | Aholibah Underwing |
| Catocala innubens Guenée, 1852 | Betrothed Underwing |
| Catocala verilliana Grote, 1875 | |
| Celaena reniformis (Grote, 1874) | ⇒ Helotropha reniformis Grote, 1874 |
| Cercyonis oetus Boisduval, 1869 | Charon Woodnymph |
| Cercyonis pegala Fabricius, 1775 | Blue-eyed Grayling |
| Cheteoscelis bistriaria (Packard, 1876) | ⇒ Synchlora bistriaria Packard, 1876 |
| Chlosyne nycteis (Doubleday, 1847) | ⇒ Chlosyne gorgone Hübner, 1810 |
| Chorizagrotis auxiliaris (Grote, 1873) | ⇒ Euxoa auxiliaris Grote, 1873 |
| Chrysoteuchia topiarius Zeller, 1866 | Cranberry Girdler |
| Clepsis virescana Clemens, 1865 | Greenish Apple Moth |
| Coenonympha tullia Müller, 1764 | 'California' Common Ringlet |
| Colias eurytheme Boisduval, 1852 | Alfalfa Butterfly |
| Colias meadii W. Edwards, 1871 | Alpine Orange |
| Colias philodice Godart, 1819 | Cloud Sulphur |
| Cosmia (Calymnia) calami Harvey, 1876 | American Dun Bar |
| Cyaniris neglecta Edwards, 1862 | |
| Cycnia tenera Hübner, 1818 | Delicate cycnia |
| Decodes basiplagana (Walsingham, 1879) | ⇒ Decodes basiplaganus Walsingham, 1879 |
| Digama spilosoma Felder, 1874 | |
| Digrammia continuata Walker, 1862 | Curve Lined Angle |
| Digrammia curvata Grote, 1880 | Shaded Granite Moth |
| Digrammia muscariata Guenée, 1857 | Four-toed Salamander |
| Digrammia neptaria Guenée, 1857 | Dark-bordered Angle |
| Digrammia subminiata Packard, 1873 | Dark-waved Angle |
| Dioryctria cambiicola Dyar, 1914 | Western Pine Moth |
| Dysstroma brunneata Packard, 1867 | |
| Dysstroma citrata Linnaeus, 1761 | Dark Marbled Carpet |
| Dysstroma formosa Hulst, 1896 | Black Mountain Salamander |
| Egira simplex Walker, 1865 | |
| Enargia infumata Grote, 1874 | Lesser Eyed Sallow |
| Enypia venata Grote, 1883 | Variable Girdle |
| Epargyreus clarus Cramer, 1775 | Huachuca Skipper |
| Erynnis (Erynnis) brizo Boisduval & ..., 1832 | Banded Oak Dusky Wing |
| Euchaetes egle Drury, 1773 | Milk-weed Moth |
| Euchloe lotta (Beutenmüller, 1898) | ⇒ Euchloe hyantis W. Edwards, 1871 |
| Euphilotes battoides Behr, 1867 | 'Bernardino' Square-spotted Blue |
| Euphilotes spaldingi Barnes & McD..., 1917 | Colorado-Plateau Blue |
| Euphydryas carmentis Barnes & Ben..., 1926 | |
| Eupithecia niphadophilata Dyar, 1904 | |
| Euptoieta claudia Cramer, 1775 | Variegated Fritillary |
| Eurema mexicana Boisduval, 1836 | Mexican Yellow |
| Eurois occulta Linnaeus, 1758 | Great Brocade |
| Eurois praefixa (Morrison, 1875) | ⇒ Richia praefixa Morrison, 1875 |
| Euxoa auripennis Lafontaine, 1974 | |
| Euxoa flavidens Smith, 1888 | |
| Euxoa servita Smith, 1895 | |
| Everes amyntula (Boisduval, 1852) | ⇒ Cupido amyntula Boisduval, 1852 |
| Evergestis subterminalis Barnes & McD..., 1914 | |
| Galenara lixarioides McDunnough, 1945 | Black Salamander |
| Glaucopsyche lygdamus Doubleday, 1842 | Behr Blue |
| Gloveria arizonensis Packard, 1878 | |
| Gnophaela vermiculata Grote, 1864 | Green Lattice |
| Haplochrois thalycra Meyrick, 1897 | |
| Harkenclenus titus (Fabricius, 1793) | ⇒ Satyrium titus Fabricius, 1793 |
| Heliopetes ericetorum Boisduval, 1852 | Great Basin White Skipper |
| Hemaris thetis (Boisduval, 1855) | ⇒ Hemaris diffinis Boisduval, 1836 |
| Hemileuca eglanterina Boisduval, 1852 | Common sheep moth |
| Hesperia colorado Scudder, 1874 | Common Branded Skipper |
| Hesperia colorado harpalus W. H. Edwards, 1881 | Idaho Branded Skipper |
| Hesperia comma (Linnaeus, 1758) | ⇒ Hesperia juba Scudder, 1872 |
| Hesperia juba Scudder, 1872 | Jagged-border Skipper |
| Hesperia viridis Edwards, 1883 | Black-Dust Skipper |
| Hexorthodes trifascia (Smith, 1891) | ⇒ Lacinipolia implicata McDunnough, 1937 |
| Holomelina fragilis (Strecker, 1878) | ⇒ Virbia fragilis Strecker, 1878 |
| Hydriomena morosata Barnes & McD..., 1917 | Chiricahua Leopard Frog |
| Hypaurotis crysalus Edwards, 1873 | Colorado hairstreak |
| Hypolimnas anomala anomala Wallace, 1869 | Malayan Egg-fly |
| Icaricia icarioides Boisduval, 1852 | Boisduval's blue |
| Icaricia saepiolus W. H. Edwards, 1863 | Greenish blue |
| Incisalia eryphon (Boisduval, 1852) | ⇒ Callophrys eryphon Boisduval, 1852 |
| Ipimorpha pleonectusa Grote, 1873 | Blackcheeked aspen caterpillar |
| Junonia coenia Hübner, 1822 | Buckeye |
| Lacanobia radix Walker, 1856 | Barking Frogs |
| Lacinipolia lepidula Smith, 1887 | |
| Lasionycta perplexa (Smith, 1887) | ⇒ Lasionycta perplexella Crabo & Lafo..., 2009 |
| Limenitis archippus Cramer, 1775 | Viceroy |
| Limenitis weidermeyerii Edwards, 1861 | |
| Lithophane georgii Grote, 1875 | George´s Pinion |
| Lycaeides melissa (Edwards, 1873) | ⇒ Plebejus melissa Edwards, 1873 |
| Lycaena (Chalceria) editha Mead, 1878 | Edith's copper |
| Lycaena (Chalceria) heteronea Boisduval, 1852 | Blue Copper |
| Lycaena (Tharsalea) arota Boisduval, 1852 | Tail Copper Butterfly |
| Lycaena acmon (Westwood, 1851) | ⇒ Plebejus acmon Westwood, 1851 |
| Lycia ursaria Walker, 1860 | Bear |
| Lycomorpha grotei Packard, 1864 | |
| Lycomorpha splendens Barnes & McD..., 1912 | Sand sole |
| Macaria adonis Barnes & McD..., 1918 | Disc flounder |
| Macroglossum bombus Walker, 1856 | |
| Malacosoma californica Packard, 1864 | Western Tent Caterpillar |
| Marimatha nigrofimbria Guenée, 1852 | Black Bordered Lemon Moth |
| Mastor phylace Edwards, 1878 | |
| Mastor vialis Edwards, 1862 | |
| Melanis pixe Boisduval, 1836 | Pixie |
| Mixomelia ctenucha Turner, 1902 | Neumoegen´s Buckmoth |
| Nathalis iole Boisduval, 1836 | Dainty sulfur |
| Nemoria unitaria Packard, 1873 | Single-lined Emerald |
| Neophasia menapia C. & R. Felder, 1859 | Pine butterfly |
| Nephelodes minians Guenée, 1852 | Bronzed Cutworm |
| Nepheronia argia argia Fabricius, 1775 | |
| Nepytia swetti Barnes & Ben..., 1923 | |
| Nepytia umbrosaria Packard, 1874 | |
| Nymphalis (Nymphalis) antiopa Linnaeus, 1758 | Camberwell Beaty |
| Oarisma garita Reakirt, 1866 | Garita Skipper |
| Oeneis (Oeneis) chryxus Doubleday, 1849 | 'Brown' Chryxus Arctic |
| Oeneis (Oeneis) jutta Hübner, 1806 | Baltic Grayling |
| Ogdoconta cinereola Guenée, 1852 | Common Pinkband |
| Oligia tonsa (Grote, 1880) | ⇒ Neoligia tonsa Grote, 1880 |
| Oncocnemis dayi (Grote, 1873) | ⇒ Sympistis dayi Grote, 1873 |
| Ostrinia nubilalis Hübner, 1796 | Corn moth |
| Papilio (Heraclides) anchisiades Esper, 1788 | Idaes Swallowtail |
| Papilio (Papilio) indra Reakirt, 1866 | Cliff Swallowtail |
| Papilio (Papilio) zelicaon Lucas, 1852 | Anise Swallowtail |
| Papilio (Pterourus) eurymedon Lucas, 1852 | Pale Swallowtail |
| Papilio (Pterourus) multicaudata Kirby, 1884 | Double Swallowtail |
| Papilio (Pterourus) rutulus Lucas, 1853 | Western swallowtail |
| Parnassius (Driopa) clodius Ménétriés, 1855 | American Apollo |
| Parnassius smintheus (Doubleday, 1847) | ⇒ Parnassius phoebus Fabricius, 1793 |
| Pediasia trisecta Walker, 1856 | Greater Sod Webworm |
| Perophthalma tullius lasius Motschoulsky, 1845 | |
| Phaeoura mexicanaria Grote, 1883 | Pine looper |
| Philtraea paucimacula Barnes & McD..., 1918 | Disc flounder |
| Phyciodes tharos Drury, 1773 | Early Pearly Crescentspot |
| Pieris marginalis (Scudder, 1861) | ⇒ Pieris napi Linnaeus, 1758 |
| Piruna pirus Edwards, 1878 | Russet Skipperling |
| Plagiomimicus pityochromus Grote, 1873 | Black Barred Brown |
| Platylesches robustus villa Evans, 1937 | |
| Platyprepia virginalis Boisduval, 1852 | Ranchmans Tiger Moth |
| Plebejus (Icaricia) lupini (Boisduval, 1869) | ⇒ Aricia lupini Boisduval, 1869 |
| Poanes taxiles Edwards, 1881 | Golden Skipper |
| Polia discalis Grote, 1877 | Threespot flounder |
| Polia purpurissata Grote, 1864 | Purple Arches |
| Polites mystic W.H. Edwards, 1863 | Long Dash |
| Polites sabuleti Boisduval, 1852 | Saltgrass Skipper |
| Polygonia interrogationis Fabricius, 1798 | Question Mark |
| Pontia protodice Boisduval & ..., 1830 | Checkered White |
| Praepapilio colorado ♰ Durden & Rose, 1978 | |
| Praepapilio gracilis ♰ Durden & Rose, 1978 | |
| Prionoxystus robiniae Peck, 1818 | Carpenter worm |
| Pseudohemihyalea ambigua Strecker, 1878 | Red-banded Aemilia |
| Pseudohemihyalea labecula Grote, 1881 | Freckled Glassy-wing |
| Pyraphlecta melissodes Tams, 1932 | |
| Pyrgus communis Grote, 1872 | Checkered Skipper |
| Rhescyntis hippodamia hippodamia Cramer, 1777 | |
| Rheumaptera hastata Linnaeus, 1758 | Argent & Sable |
| Richia parentalis Grote, 1879 | |
| Riodinella nympha ♰ Durden & Rose, 1978 | |
| Sabulodes niveostriata Cockerell, 1893 | |
| Satyrium (Satyrium) calanus Hübner, 1806 | Banded Hairstreak |
| Satyrium (Satyrium) liparops Le Conte, 1833 | Striped Hairstreak |
| Semiothisa denticulata (Grote, 1883) | ⇒ Digrammia denticulata Grote, 1883 |
| Smerinthus cerisyi Kirby, 1837 | Cerisy'S Sphinx Moth |
| Smerinthus jamaicensis Drury, 1773 | Twin Spot Sphinx |
| Speranza bitactata Walker, 1862 | Split-lined Angle Moth |
| Speyeria atlantis Edwards, 1862 | 'Atlantis' Atlantis Fritillary |
| Speyeria cybele Fabricius, 1775 | Great spangled fritillary |
| Speyeria hydaspe Boisduval, 1869 | Hydaspe Fritillary |
| Sphinx libocedrus Hy. Edwards, 1881 | Incense Cedar Sphinx |
| Sphinx vashti Strecker, 1878 | Snowberry sphinx |
| Spodoptera praefica Grote, 1875 | Western yellow-striped armyworm |
| Stalachtis calliope crocota Stichel, 1911 | |
| Stamnodes formosata Strecker, 1878 | |
| Stenoma hydraena Meyrick, 1916 | |
| Strymon melinus Hübner, 1818 | Common hairstreak |
| Strymon saepium Boisduval, 1852 | |
| Strymon sylvinus Boisduval, 1852 | |
| Syngrapha angulidens Smith, 1891 | Lizard beetles |
| Tesagrotis piscipellis Grote, 1878 | |
| Thera latens Barnes & McD..., 1917 | Chiricahua Leopard Frog |
| Thera otisi Dyar, 1904 | |
| Thoressa fusca caenis Leech, 1894 | |
| Trichaeta molanna Wallengren, 1857 | |
| Trichordestra legitima Grote, 1864 | Striped Garden Caterpilla |
| Udea turmalis Grote, 1881 | |
| Vanessa virginiensis Drury, 1773 | America Painted Lady |
| Xestia smithii Snellen, 1896 | Smith'S Dart |
| Zerene cesonia Stoll, 1790 | Dog face |
| Zerene eurydice Boisduval, 1855 | California Dogface |
| Zerynthia (Zerynthia) polyxena (Denis & Schi..., 1775) | ⇒ Zerynthia rumina Linnaeus, 1758 |
