© 2018-19 by Neil Henning Björklund

Oregon State Arthropod Collection # 0000819893 - male

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

Gold-hunter's

Hairstreak

Satyrium auretorum

Size: 1.0 - 1.25 inches wingspan

Key ID features:  Light brown above.  Slightly darker brown below with variable uneven spot bands, and submarginal band of black chevrons, female more strongly marked. Tail barely noticeable, with adjacent blue frosted patch, and one or two of the chevrons with a small orange patch. 

Similar species: Somewhat similar to Hedgerow HS, which has more defined median line on HW below. Mountain Mahogany HS is more grayish below, often with a more frosted look.

 

Host plant: Oaks (Quercus), primarily Oregon White Oak (Quercus garryana).

Habitat: Oak-pine stands and shrubby habitats near oaks. ​

Range: Along California border in Cascade-Siskiyou NM and SE Klamath County.

Season: Early June to mid-July

Abundance: Uncommon

 

Conservation Status: Secure