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Western GreenÂ
Hairstreak
Callophrys affinis
Size: 1.0 - 1.25 inches wingspan
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Key ID features: Above both sexes gray. Below bluish green, sometimes with broken white median line on HW.
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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).
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Habitat: Sage steppe, dry ridges, mountain summits. ​
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Range: Far eastern Oregon, Ochoco Mtns.
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Season: Early April to mid-July
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Abundance: Uncommon
Conservation Status: Secure
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