| sand fly (lutzomyia vexator) (diptera: psychodidae) populations in upstate new york: abundance, microhabitat, and phenology. | visceral leishmaniasis is an endemic protozoal disease of humans and dogs in tropical and subtropical regions in asia, africa, southern europe, central america, and south america, where sand flies (genera phlebotomus and lutzomyia) act as vectors. an outbreak in a new york foxhound kennel and subsequent surveillance revealed widespread leishmania infantum infection of dogs in the united states, outside the known range of the vector sand flies. for this study, we conducted surveillance for sand f ... | 2004 | 15311474 |