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  • Title: Species Diversity, Seasonal, and Spatial Distribution of Mosquitoes (Diptera: Culicidae) Captured in Aotus Monkey-Baited Traps in a Forested Site Near Iquitos, Peru.
    Author: Andrews ES, Schoeler GB, Gozalo AS, Carbajal F, Lopez-Sifuentes V, Turell MJ.
    Journal: J Med Entomol; 2014 Nov 01; 51(6):1127-35. PubMed ID: 26309298.
    Abstract:
    This study was conducted to determine the relative abundance, diversity, seasonal, and vertical distributions of potential mosquito vectors in the Amazon Basin, Peru. A total of 66,097 mosquitoes (50 mosquito species from 12 genera) were collected from May 2001 through March 2002 at a forested site near Iquitos, Peru. Mosquitoes were collected using Aotus nancymae Hershkovitz monkey-baited CDC light traps set for 12-h day and night periods at varying heights (e.g., ground and canopy) in the forest. Of the 12 genera, three accounted for 75% of all mosquitoes collected: Culex (33%), Aedes (23%), and Psorophora (18%). The most prevalent species collected were Aedes serratus (Theobald), Culex pedroi Sirivanakarn & Belkin, Psorophora albigenu (Peryassu), and a combination of Mansonia indubitans Dyar & Shannon and Mansonia titillans (Walker), which accounted for 56% of all mosquitoes captured. In general, mosquitoes were collected more often at night and on the ground. Exceptions include Coquillettidia venezuelensis (Theobald), which were collected in relatively even numbers at both day and night and most Mansonia and some species of Anopheles, which were collected more often in the canopy. Total mosquito populations had two peaks, June-July (Ma. indubitans/titillans and Cq. venezuelensis) and December-January (Ps. albigenu, Cx. pedroi, and Ae. serratus). Observations of the eight most collected mosquitoes indicated that behavioral shifts were not observed between collection months. These data provide a better understanding of the species diversity, population density, and seasonal distribution of potential mosquito vectors within the Amazon Basin region and allow for the development of appropriate vector and disease prevention strategies.
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