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Western Green
Hairstreak
Callophrys affinis
Size: 1.0 - 1.25 inches wingspan
Key ID features: Above both sexes gray. Below bluish green, sometimes with broken white median line on HW.
Similar species: Bramble's range does not overlap. Sheridan's perches on the ground, Western Green perches on top of shrubs.
Host plant: Buckwheats (Eriogonum).
Habitat: Sage steppe, dry ridges, mountain summits.
Range: Far eastern Oregon, Ochoco Mtns.
Season: Early April to mid-July
Abundance: Uncommon
Conservation Status: Secure
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