In the New World, leishmaniasis is spread by sand flies in the genus Lutzomyia, which commonly live in caves, where their main hosts are bats. In the Old World, sand flies in the genus Phlebotomus spread leishmaniasis.
In the New World, leishmaniasis is transmitted by sand flies in the genus Lutzomyia, which typically inhabit caves, where their primary hosts are bats. In the Old World, sand flies in the genus Phlebotomus spread leishmaniasis.