Figure 4From: Dogs, cats, parasites, and humans in Brazil: opening the black boxVector density. Hundreds of phlebotomine sand flies (Lutzomyia longipalpis) on a chicken (A) that was resting on a tree trunk in Passira, north-eastern Brazil, where visceral leishmaniosis is endemic. (B) shows a close-up of the phlebotomine sand fliesBack to article page