The Behr's Hairstreak (Satyrium behrii) is a butterfly of the Lycaenidae family. It is found in western North America from western Texas north and west through New Mexico, Arizona, and southern California to British Columbia. The wingspan is 24–32 mm. The upperside is orange with wide brown borders on the forewings. The underside of the males is brown, while females are brownish-white. Both have postmarginal and submarginal lines of irregular small black spots. Adults are on wing from June to July in one generation per year. Adults feed on flower nectar.