Great Purple 
Hairstreak

Atlides halesus

Size: 1.25 - 1.5 inches wingspan

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Key ID features:  Above bright iridescent blue with black borders.  Below black with iridescent blue band adjacent to long tails, red patches next to body and on sides of thorax. 

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Similar species: No similar species in Oregon.

Host plant: Oak mistletoe (Phoradendron leucarpum).

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Habitat: Oak savanna, with mistletoe. ​

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Range: Warner Mtns, Siskiyou Mts, Willamette Valley.

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Season: Early April to early October

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Abundance: Uncommon

Conservation Status: Secure