Eacles imperialis, the imperial moth, is a Nearctic member of the family Saturniidae and subfamily Ceratocampinae. The species was first described by Dru Drury in 1773.
The San Bruno elfin is a U.S. federally listed endangered subspecies that inhabits rocky outcrops and cliffs in coastal scrub on the San Francisco Peninsula. It is endemic to this habitat in California. Its patchy distribution reflects that of its host plant, broadleaf stonecrop.
The western pine elfin is a North American butterfly that ranges from British Columbia east to Maine and south to southern California, Arizona, and New Mexico. Males are brown and females are orange-brown, with both having bold patterned hind wings. The top of the wings have dark bars with a lighter chevron shaped margin. The body is 19–32 mm in length and has no tail.
The genus Callophrys consists of butterflies in the family Lycaenidae. It is apparently not monophyletic, but which of the taxa currently considered junior synonyms of Callophrys are valid genera remains to be determined.
Callophrys henrici, the Henry's elfin or woodland elfin, is a North American butterfly in the family Lycaenidae. In Canada it is found from southern Manitoba to southern Nova Scotia. It has two main groups of populations in the United States; the first is found along the Atlantic Coast and uses various hollies (Ilex) as host plants; and the second is found mainly in the north and the Appalachians where they use redbud as a host plant. Henry's elfin is increasing in New England because of an introduced buckthorn it now uses as a host plant. It is listed as a species of special concern in the US state of Connecticut.
Callophrys irus, the frosted elfin, is a species of Lycaenidae that is native to North America.
Lycaena hyllus, the bronze copper, is a butterfly of the lycaenids family found in North America.
Callophrys sheridanii, the Sheridan's hairstreak and Sheridan's green hairstreak, is a butterfly in the family Lycaenidae. It is found in North America along the south coast of British Columbia and parts of Nevada, Arizona, Saskatchewan, North Dakota, and New Mexico. In 2009, this species was adopted as the U.S. state butterfly for Wyoming.
Callophrys augustinus, the brown elfin, is butterfly of the family Lycaenidae. It is found from Newfoundland north and west through the northern United States and the prairie provinces to Alaska. To the south it ranges in Appalachian Mountains to northern Georgia and northern Alabama, further south through the western mountains to northern Baja California in Mexico. Subspecies iroides is known as the western elfin.
Euphilotes battoides, the square-spotted blue or buckwheat blue, is a species of butterfly of the family Lycaenidae. It is found in western North America from Washington south to Baja California Norte and then west to southern Colorado and New Mexico.
Callophrys mossii, the Moss's elfin, stonecrop elfin and Schryver's elfin), is a butterfly native to North America that belongs 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.
Callophrys fotis is a species of butterfly in the family Lycaenidae, the gossamer-winged butterflies. It is known by several common names, including early elfin, desert elfin, Fotis hairstreak, Strecker's elfin, and Arizona gray elfin. It is native to the southwestern United States, where it occurs in southeastern California, Nevada, Utah, western Colorado, northern Arizona, and northwestern New Mexico.
Callophrys spinetorum, the thicket hairstreak, is a butterfly of the family Lycaenidae. It was described by William Chapman Hewitson in 1867. It is found in North America from British Columbia through the Rocky Mountains to New Mexico and Mexico and through California to Baja California. The habitat consists of pinyon-juniper forests, mixed woodlands, and coniferous forests.
Callophrys hesseli, or Hessel's hairstreak, is a butterfly of the family Lycaenidae. It ranges from southern Maine south along the Atlantic coastal plain to northern Florida on the Gulf Coast. The species was first described by George W. Rawson and J. Benjamin Ziegler in 1950, in honor of the lepidopterist Sidney Adolphus Hessel. It is listed as endangered in Connecticut by state authorities.
