Abstract
The efficiency of bird-baited traps and collection heights for sampling potential West Nile mosquito vectors was studied during the 2006 rainy season (between September 27 and November 26) in Barkedji area situated in the sahelian area of Senegal (West Africa). Each night, two traps were set on the ground-level and two on the canopylevel (approximately 3 m) each containing either a chicken or a pigeon, the traps being rotated the following nights. A total of 1,030 mosquitoes were collected using 66 traps-nights. Culex species were predominant and represented 92.2% of the fauna of which 63% belonged to Cx. neavei group Theobald whereas 23.8% were Cx poicilipes (Theobald). The species of the Cx. neavei group were mainly collected by the pigeon-baited trap at canopy while Cx. poicilipes was captured similarly by pigeons and chickens placed at the canopy and ground. The implication of these results in West Nile vectors surveillance is discussed.
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