Size: 3.0 - 4.5 inch wingspan
Key ID features: Large. Above deep orange with black veins, black borders with double row of white spots, FW tips black with white and light orange spots. Below, similar pattern except Orange areas on HW are light creamy orange, and FW tip has two creamy light orange patches surrounded by black border with white spots.
Similar species: Viceroy is smaller, FWs shorter, has black curved line diagonally across HW.
Host plant: Milkweeds (Asclepias).
Habitat: Can be found almost anywhere during migration.
Range: Found throughout Oregon.
Season: Early June to late October
Conservation Status: Has been submitted for Federal Listing as Threatened.