The incidence of Chagas' disease can be reduced by controlling the reduviid bug population by use of insecticides especially in homes where they can burrow into crevices.
Table 6-2 Cellular and Infective Stages of the Hemoflagellates Genus/Species Amastigote Promastigote [ILLUSTRATION OMITTED] [ILLUSTRATION OMITTED] Trypanosoma cruzi Intracellular Occurs Trypanosoma brucei Does not occur Does not occur Leishmania Intracellular In sand fly gut Genus/Species Epimastigote Trypomastigote [ILLUSTRATION OMITTED] [ILLUSTRATION OMITTED] Trypanosoma cruzi In gut of reduviid bug In feces of reduviid bug; transferred to humans Trypanosoma brucei In salivary gland of In mouthparts of tsetse fly tsetse fly Leishmania Does not occur Does not occur Table 6-3 Trypansomes That Affect Animals Trypanosome Species Animals Affected Geographic Distribution Try.