Migration and colonization of the oesophagus by Leishmania mexicana parasites were enhanced after digestion of a second bloodmeal intake in Lutzomyia evansi. This event has epidemiological significance since it affects the infection susceptibility of this sand fly species. which is a proven vector of L. chagasi in Colombian and Venezuelan visceral leishmaniasis foci. https://excellentphoto.shop/product-category/production-accessories/