Eriogonum-specialist
Guides
Callophrys affinis
Western Green Hairstreak, Immaculate Green Hairstreak
Callophrys affinis is a small butterfly in the family Lycaenidae, commonly known as the western green hairstreak or immaculate green hairstreak. It is found in western North America from western Canada through the western United States. Adults fly in a single generation from early spring to mid-summer. The larvae feed specifically on Eriogonum umbellatum.
Euphilotes battoides
square-spotted blue, buckwheat blue
Euphilotes battoides is a small butterfly in the family Lycaenidae, commonly known as the square-spotted blue or buckwheat blue. It is native to western North America and exhibits strong ecological dependence on Eriogonum (buckwheat) species. The species comprises multiple recognized subspecies with restricted geographic ranges. Adults are active from spring through summer and feed primarily on buckwheat flower nectar.
Euphilotes battoides allyni
El Segundo Blue Butterfly
Euphilotes battoides allyni is a federally endangered subspecies of blue butterfly endemic to coastal sand dunes in southwestern Los Angeles County, California. The subspecies has an extremely restricted range, historically occurring only between El Segundo and San Pedro. It is one of the most geographically localized butterfly taxa in North America, with all known populations confined to areas supporting its obligate larval host plant, Eriogonum parvifolium (coastal buckwheat).
Lycaena heteronea
blue copper
Lycaena heteronea, the blue copper, is a North American butterfly in the family Lycaenidae. Males display bright sky-blue upper wing surfaces with dark veins, while females are copper-brown with black dots. The species is tightly associated with Eriogonum (buckwheat) host plants and occupies a range of open habitats in western North America from British Columbia to New Mexico. It is single-brooded with flight seasons varying geographically from April through August.