Euchrysops barkeri, the Barker's smoky blue or Barker's Cupid, is a butterfly of the family Lycaenidae.
The wingspan is 26âÂÂ32 mm for males and 27âÂÂ33 mm for females. Adults are on wing year-round, but are most common from November to July in South Africa.
It is found in South Africa, Zimbabwe, Mozambique and from Sierra Leone to Tanzania. In South Africa it is found from the East Cape along the KwaZulu-Natal coast and in Limpopo province.
The female oviposits at the stem of Sphenostylis angustifolia (Fabaceae). The egg is pale sky-blue with a sparkling pearlescent lustre.
The larvae feed on Crotalaria and Rhynchosia species and Vigna unguiculata.