Size: Up to 3 inch wingspan
Key ID features: Orange above with thin black veins, black shading near the body, black irregular lines inwardly, submarginal black spot band and black marking along margin like chain links, bolder on female. Below light tan-brown "disc" on HW with large silvery-white oval spots and warm tan submarginal band.
Similar species: Callippe Fritillary is smaller, with silver spots showing through above more boldly.
Host plant: Violet (Viola) species, varying by region of state.
Habitat: Open meadows, openings in oak-pine forest, lower slopes of mountains in eastern Oregon.
Range: Cascade Range, Siskiyou Mtns, all of eastern Oregon except Gilliam, Morrow, Umatilla and Wallowa counties.
Season: Early May to early October.
Conservation Status: Secure.