African trypanosomes are digenetic parasites that undergo part of their developmental cycle in mammals and part in tsetse flies.
Michael Oberle, Oliver Balmer, Reto Brun, Isabel Roditi 2010, 'Bottlenecks and the maintenance of minor genotypes during the life cycle of Trypanosomabrucei.', PLoS Pathogenshttp://europepmc.org/articles/PMC2912391?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)