The parasite Trypanosoma brucei rhodesiense and its insect vector Glossina morsitans morsitans were used to evaluate the effect of parasite clearance (resistance) as well as the cost of midgut infections on tsetse host fitness. Tsetse flies are viviparous and have a low reproductive capacity. giving birth to only 6-8 progeny during their lifetime. Thus. https://foldlyers.shop/product-category/top-mount/