Mitoura rosneri, the Rosner's hairstreak, is a butterfly of the family Lycaenidae. It is found in western North America in British Columbia. and Washington state. Subspecies Mitoura rosneri plicataria is known as Barry's hairstreak.
The wingspan is .
The larvae of subspecies M. r. rosneri feed on western red cedar (Thuja plicata), while the larvae of subspecies M. r. plicataria feed on Rocky Mountain juniper (Juniperus scopulorum).
Subspecies Mitoura rosneri rosneriRosner's hairstreak (interior ranges of British Columbia) Mitoura rosneri plicataria Barry's hairstreak (Vancouver Island and Coast Range of British Columbia, Washington)
Taxonomy Both M. r. rosneri and M. r. plicataria are often treated as subspecies of Callophrys gryneus. Callophrys barryi is a synonym of C. r. plicataria.
References
External links Callophrys rosneri, Butterflies and Moths of North America