Template:Omer-Cooper, 1964
- Omer-Cooper, J. 1964: Dytiscidae (Coleoptera) of Nyasaland and Southern Rhodesia. VIII. Colymbetinae: Agabini, Copelatini and Colymbetini. Journal of the Entomological Society of Southern Africa 27(1): 117–133. Full article (PDF) on African Journal Archive