Fig. 1

Geographical origin of crocodilian trypanosomes in South America and Africa. Trypanosomes were obtained from blood of caiman and crocodiles, and guts of tabanid and tsetse flies. Samples of T. kaiowa n. sp., T. ralphi and Trypanosoma sp. Tab01 were from Africa and South America; T. terena, T. clandestinus and Cay03 from South America; T. grayi from Africa. Hydrographic basins: OR, Orinoco; AM, Amazonas; AT, Araguaya-Tocantins; PP, Paraná-Paraguay