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1 December 2012 Feeding Patterns of Mosquitoes (Diptera: Culicidae) in Six Brazilian Environmental Preservation Areas
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Abstract

Feeding patterns of mosquitoes in six Brazilian environmental preservation areas were analyzed by the precipitin technique. The mosquito populations were captured using Shannon traps during different time periods. Bird, cow, dog, horse, opossum, human, and rodent antisera diagnostic tests were employed and results were analyzed by calculating the Sørensen similarity index and using the null-model test. Of the 647 analyzed specimens, 443 reacted to the utilized antisera, of which 331 reacted to one blood source, with the most frequent being birds (49.4%); and 112 specimens reacted to two blood sources, with the most frequent combination from birds rodents (14.3%). The feed profiles demonstrated that Anopheles albitarsis, An. evansae, Aedes fulvus, Psorophora albigenu, Ps. albipes, Ps. ferox, and Mansonia titillans fed predominantly on birds. The similarity index showed that in some localities An. cruzii, Chagasia fajardi, Ae. scapularis, Ae. serratus, Haemagogus leucocelaenus, Ps. albigenu, and Ps. ferox presented similar dietary habits. The null-models test indicated that species from SMSR INR CGNP, and THP demonstrated an aggregate pattern, while species from SONP and SBNP showed a random pattern. The mosquitoes fed predominantly on birds, but from an epidemiological standpoint, the eclectic feeding habits were found to be constant among the mosquitoes analyzed.

Júlia dos Santos Silva, Jeronimo Alencar, Janira Martins Costa, Elias Seixas-Lorosa, and Anthony Érico Guimarães "Feeding Patterns of Mosquitoes (Diptera: Culicidae) in Six Brazilian Environmental Preservation Areas," Journal of Vector Ecology 37(2), 342-350, (1 December 2012). https://doi.org/10.1111/j.1948-7134.2012.00237.x
Received: 15 February 2012; Accepted: 1 June 2012; Published: 1 December 2012
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