Catopsilia florella is the only African representative of its genus. The butterflies are sexually dimorphic - males are white, and females may be white or yellow. They are strong fliers and occasionally migrate in large numbers.
Brower, Andrew V. Z.2010. Catopsilia florella (Fabricius 1775). the African Emigrant.Version 12 February 2010 (under construction).http://dev.tolweb.org/Catopsilia_florella/84897/2010.02.12 in The Tree of Life Web Project, http://tolweb.org/