Orachrysops montanus, the Golden Gate blue, is a butterfly of the family Lycaenidae. It is found in South Africa, where it is known from montane grassland in the Golden Gate Highlands. The wingspan is 28–36 mm for males and 24–30 mm for females. Adults are on wing from December to January. There is one generation per year. The larvae feed on Indigofera species. References Butterflies described in 1994 Orachrysops