Size: 1.0 - 1.25 inches wingspan

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Key ID features:  Noticeably larger than most blues. Violet-blue above, with dark wing borders, white checked fringes. Below brownish-gray, HW with white arrows pointing toward median band of black spots.

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Similar species: No other Oregon blue has white arrows on HW below pointing toward body.

 

Host plant: Lupine species (Lupinus)

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Habitat: Open areas with lupines in sage-steppe, ponderosa pine stands, canyons and wet meadows. ​

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Range: Most of Oregon east of the Cascade Range and in SW Oregon.

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Season: Early April to late August

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Abundance: Common

 

Conservation Status: Secure