Juniper Hairstreak, Callophrys gryneus Wingspan: 1 - 1 1/4 inches.Family: Lycaenidae.Subfamily:Theclinae.Caterpillar Hosts: Redcedar scopulorum, Claifornia juniper (J.californica), Utah juniper (J. osteosperma).They live in old fields, bluffs, barrens, juniper and pinyon woodlands, and cedar breaks. Males perch on host trees to seek females, although this male was found on the ground. They eat nectar from winter cress, dogbane, common milweed, wild carrot, sheperd's needle, butterglyweed, white swee clover and others. Eggs are a laid singly on tips of host plant leaves, which the caterpillars eat. Chrysalids hibernate. Globally this species is secure, but may be rare in parts of its former range. Certain subspecies are vulnerable to extinction. .