© 2018-20 by Neil Henning Björklund

Oregon State Arthropod Collection #0000817363 - male

Thank you to Dana Ross and Paul Hammond, volunteers at OSAC!

Hoary Elfin

Callophrys polios

Size: 1.0 - 1.25 inches wingspan

Key ID features:  Above both sexes gray-brown.  Below shades of dark brown. Light white median line, stronger on FW, with strong "frosted" look between HW median line and HW margin. No tails.

Similar species: Moss's Elfin lacks strong frosted look between trailing margin and postmedian line.

 

Hostplant: Kinnikinnick (Arctostaphylos uva-ursi).

Habitat: Open rocky areas in mountains, coastal bluffs and dunes, forest roadsides, always close to Kinnikinnick. 

Range: Isolated populations in Blue Mtns, coastal Lincoln and Curry counties, and in Linn, Morrow and Wallowa counties.

Season: Late April to late May

Abundance: Uncommon

 

Conservation Status: Coastal subspecies C. polios maritima is imperiled in OR