Size: 1.0 - 1.25 inches wingspan
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.
Similar species: No other Oregon blue has white arrows on HW below pointing toward body.
Host plant: Lupine species (Lupinus)
Habitat: Open areas with lupines in sage-steppe, ponderosa pine stands, canyons and wet meadows.
Range: Most of Oregon east of the Cascade Range and in SW Oregon.
Season: Early April to late August
Conservation Status: Secure