Eicochrysops messapus, the cupreous blue, is a butterfly of the family Lycaenidae. It is found in Africa. In South Africa it is rare and only known from the northern part of the Limpopo province and northern KwaZulu-Natal.
The wingspan is 17âÂÂ22 mm for males and 17âÂÂ24 mm for females. Adults are on wing year-round in warmer areas, with peaks in October and March. In cooler areas it is not found from April to September.
The larvae probably feed on Thesium species.