African wood white, Palmarium, Madagascar

''Leptosia alcesta'', the African wood white or flip flop, is a butterfly of the family Pieridae, found in Africa.

The wingspan is 30–40 mm in males and 35–42 mm in females. The adults fly year-round, peaking from March to May.

The larva feed on ''Richea'' species, ''Capparis fascicularis'', and ''Capparis brassii''.