Ecology of Lutzomyia longipalpis in an area of visceral leishmaniasis transmission in north-eastern Brazil.

Visceral leishmaniasis is a major public health issue in South America, where the disease is rapidly spreading. Changes in ecology and distribution of the principal vector, Lutzomyia longipalpis are among the factors accounting for the increasing incidence of the disease in this region. However, information about the ecology of L.