Size: 1.25 - 1.5 inches wingspan
Key ID features: Male above bright blue with black veins, black border and white fringe. Female above blueish gray with small black spots. Female HW below white with light spots; FW below with black spots. Male similar below but with lighter or no spots on HW.
Similar species: Male is larger and faster-flying than similar blues. Female somewhat similar to Ruddy Copper, which has orange zigzag above and orange wash below.
Host plant: Buckwheat (Eriogonum) species.
Habitat: High sagelands, grasslands, montane and subalpine slopes and ridges, canyons and plateaus.
Range: Cascade Mtns and eastern Oregon except Columbia River drainage in Gilliam, Morrow and Umatilla counties.
Season: Early May to early September
Conservation Status: Secure