Danaus chrysippus aegyptius from Kampala, Uganda, and D.c. alcippus from Freetown, Sierra Leone, reared on Asclepias curassavica at Oxford
Proceedings of the Royal Entomological Society (London) series C, vol.37 no.9
February 1973 pp.37-38
Miriam Louisa Rothschild with T. Reichstein and J. von Euw