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Temporal Analysis of Feeding Patterns of Culex erraticus in Central Alabama

By Ana Oliveira, Charles R. Katholi, Nathan Burkett-Cadena, Hassan K. Hassan, Sibylle Kristensen and Thomas R. Unnasch


Host blood meals in seven mosquito species previously shown to be infected with eastern equine encephalitis virus at a site in the Tuskegee National Forest in southcentral Alabama were investigated. Of 1374 blood meals derived from 88 different host species collected over 6 years from these seven mosquito species, 1099 were derived from Culex erraticus. Analysis of the temporal pattern of Cx. erraticus meals using a Runs test revealed that the patterns of feeding upon avian and mammalian hosts from March to September of each year were not randomly distributed over time. Similarly, meals taken from the three most commonly targeted host species (yellow-crowned night heron, great blue heron, and white-tailed deer) were not randomly distributed. A Tukey's two-way analysis of variance test demonstrated that although the temporal pattern of meals taken from avian hosts were consistent over the years, the patterns of meals taken from the individual host species were not consistent from year to year

Topics: Original Articles
Publisher: Mary Ann Liebert, Inc.
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