Effect of a second bloodmeal on the oesophagus colonization by Leishmania mexicana complex in Lutzomyia evansi (Diptera: Psychodidae)
AUTOR(ES)
Vivenes, Alejandra, Oviedo, Milagros, Márquez, Julio César, Montoya-Lerma, James
FONTE
Memórias do Instituto Oswaldo Cruz
DATA DE PUBLICAÇÃO
2001-04
RESUMO
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. Also, it may explain the host seeking behaviour displayed by some partially bloodfed flies found inside houses.
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