Papilio multicaudata, the two-tailed swallowtail, is a species of the family Papilionidae found in western North America from British Columbia to Central America.
Pyrgus ruralis, the two-banded checkered skipper, is a species of skipper butterfly. It is found from southern British Columbia and the Rocky Mountains of SW Alberta, with populations south to central California, Nevada, Utah, and Colorado, and one population of an endangered subspecies in southern California, in the mountains east of San Diego. That endangered subspecies is ssp. lagunae, known by the common name Laguna Mountains skipper.
Apodemia palmeri, the Palmer's metalmark or gray metalmark, is a species of metalmark butterfly, Riodinidae. It is found in North America from western Texas, New Mexico, Arizona, southern Utah, southern Nevada and southern California south to central Mexico and Baja California.
Thorybes mexicana, the Mexican cloudywing, mountain cloudy wing or Nevada cloudy wing, is a butterfly of the family Hesperiidae. It is found in the high elevation mountains of the western United States south into Mexico.
Chiothion asychis, the white-patched skipper or white patch, is a species of butterfly in the family Hesperiidae. It is found from Argentina, north through tropical America to the West Indies and southern Texas. Strays can be found as far north as southern Arizona, Nevada and Kansas.
Papilio indra, the Indra swallowtail, short-tailed black swallowtail, or cliff swallowtail, is a western North American butterfly in the family Papilionidae.
Polites sonora, the Sonoran skipper or western long dash, is a butterfly in the family Hesperiidae. It is found along the Pacific coast of the U.S., reaching Canada only in the extreme southern interior of British Columbia.
Chlosyne leanira, the leanira checkerspot, is a butterfly of the family Nymphalidae. It is found in North America from western Oregon south to California, Nevada, Utah and western Colorado, as well as Baja California. The wingspan is 33–40 mm. Generally, females are larger than males, but males have a more apparent red color to their wings.
Ochlodes sylvanoides, the woodland skipper, is a butterfly of the family Hesperiidae. It is found in North America from British Columbia south to southern California, east to Montana, Colorado and Arizona.
Euphilotes battoides, the square-spotted blue or buckwheat blue, is a species of butterfly of the family Lycaenidae.
Lycaena arota, the tailed copper, is a butterfly of the family Lycaenidae. It is found in North America from New Mexico north and west to Oregon, south to southern California and Baja California, Mexico.
Hesperopsis libya, the Mojave sootywing, Mohave sootywing, Great Basin sootywing or Lena sooty wing, is a butterfly of the family Hesperiidae. It is found in North America from eastern Oregon east to Montana and south to southern California, Arizona, and north-western Mexico including Baja California. Its habitats include alkalai flats, sagebrush desert, desert hills, shale barrens, watercourses, and ravines.
Pseudocopaeodes eunus is a rare species of butterfly known by the common name alkali skipper. It is native to northern California and Nevada in the United States, and Baja California in Mexico. There are five subspecies. One, ssp. obscurus, the Carson wandering skipper, is treated as a federally listed endangered species of the United States. As of 2007 there are four known populations.
Callophrys mossii, commonly known as Moss's elfin, stonecrop elfin or Schryver's elfin, is a species of butterfly native to North America in the family Lycaenidae. It is found from British Columbia south to southern California and east to Wyoming and Colorado in isolated populations. The habitat consists of rocky outcrops, woody canyons and cliffs.
Satyrium saepium, the hedgerow hairstreak, is a butterfly of the family Lycaenidae. It is found in western North America, from British Columbia south through California into Baja California and east through northern Arizona to northern New Mexico, Colorado and Montana.
Agriades podarce, the arrowhead Arctic blue, gray blue or Sierra Nevada blue, is a butterfly in the family Lycaenidae. It is found in North America from southern Oregon to central California in the Klamath Range and the Sierra Nevada. The habitat consists of subalpine meadows.
Neominois ridingsii, or Ridings' satyr, is a species of butterfly in the family Nymphalidae. It is found from southern Alberta, Saskatchewan and Manitoba south to the Guadalupe and Catron counties of New Mexico, and west to the central Sierra Nevada of California and central Oregon. The habitat consists of short-grass prairie, intermountain areas and grasslands with some areas of bare soil.
Lon melane, also known as the umber skipper, is a butterfly of the family Hesperiidae. It is found in California, southern Arizona, Baja California, the highlands of Mexico and Central America. The habitat consists of desert foothills, grassy areas, streamsides, roadsides, yards, parks and open oak woodland.
Speyeria egleis, commonly known as the Great Basin fritillary or egleis fritillary, is a butterfly of the family Nymphalidae. It is found in the United States, where it has been recorded from North Dakota southwest through Oregon to California and south to Colorado. The habitat consists of mountain meadows, forest openings and exposed rocky ridges.
Heliopetes ericetorum, the northern white-skipper, is a butterfly of the family Hesperiidae. It is found in North America in the United States from eastern Washington south to western Colorado, southern California and Arizona, and in Baja California in north-western Mexico. The habitat consists of open woodland, chaparral, dry washes, desert mountains and arid lands.
