Precipitin tests were performed on blood meals of 199 sand flies (161
Lutzomyia umbratilis
, 34
L. spathotrichia, two
Lutzomyia
of group
shannoni, one
L. anduzei) in a non-flooded upland forest on the Campus of the Universidade Federal do Amazonas. This is the second largest forest fragment in an urban setting in Brazil. Results on
L. umbratilis, which is considered to be the principal leishmaniasis vector in this region, indicated rodents as its predominant blood source in contrast to previous reports in which blood meal analysis indicated that this species fed principally on Xenarthra (particularly sloths)
