Human blood-feeding rates among sympatric sibling species of Anopheles quadrimaculatus mosquitoes in northern Florida.
AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE(1996)
摘要
We compared rates of feeding on human hosts for blood-engorged female Anopheles quadrimaculatus species A, B and C-1 collected from daytime resting sites in Manatee Springs State Park, Levy County, Florida during 1992-1993. Quick-blot DNA probes were used to identify mosquito taxa and also the presence of human blood in the mosquito gut. In collections from a campground area, human blood-feeding rates differed significantly among mosquito species (10.7% [19 of 177], 0%, [0 of 62], and 1.2%, [4 of 327]), respectively, for species A, B and C-1). In collections from a woodland site (1 km from the campground), 1.5% (2 of 129) of the species B females had fed on humans, whereas none of 19 species A or 159 species C-1 females had done so. Of the three species in this study area, species A appears the most likely to be a biting pest of humans and a vector of human malaria.
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