procyclogenesis
The morphological, biochemical and genetic changes that induce the differentiation of bloodstream form trypomastigotes into procyclic trypomastigotes in some of the Trypanosomatidae species such as Trypanosoma brucei. This process occurs inside the midgut of the tsetse fly vectors in T. brucei.
GO:0044114
development of symbiont in host
is_a