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1 June 2006 NEW TOOLS FOR SURVEILLANCE OF ADULT YELLOW FEVER MOSQUITOES: COMPARISON OF TRAP CATCHES WITH HUMAN LANDING RATES IN AN URBAN ENVIRONMENT
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Abstract

A novel mosquito trapping system, the BG-Sentinel® trap, was evaluated as a monitoring tool for adult Aedes aegypti in field tests in the city of Belo Horizonte, Brazil. Human landing/biting collections, a gas-powered CO2 trap, and a Fay-Prince trap with only visual cues serving as references to evaluate the efficacy of the new trap. The BG-Sentinel is a simple suction trap that uses upward-directed air currents as well as visual cues to attract mosquitoes. The trap was tested with a new dispenser system (BG-Lure®) that releases artificial human skin odors and needs no CO2. In comparison with the two other traps, the BG-Sentinel caught significantly more Ae. aegypti. Although human landing rates were the highest, there was no significant difference between human landing rates and the capture rates of the BG-Sentinel trap. This finding indicates that the trap can be considered as an acceptable alternative to human landing/biting collections in the surveillance of adult host- seeking dengue vectors. The addition of the BG-Lure to the gas-powered CO2 trap greatly increased its efficacy. This combination, however, was not significantly more effective than the BG-Sentinel without CO2. In a 6-month comparison between the BG-Sentinel and a sticky ovitrap for gravid females, the BG-Sentinel proved to be a far more efficient and sensitive tool to measure the density of Ae. aegypti populations.

ULLA KRÖCKEL, ANDREAS ROSE, ÁLVARO E. EIRAS, and MARTIN GEIER "NEW TOOLS FOR SURVEILLANCE OF ADULT YELLOW FEVER MOSQUITOES: COMPARISON OF TRAP CATCHES WITH HUMAN LANDING RATES IN AN URBAN ENVIRONMENT," Journal of the American Mosquito Control Association 22(2), (1 June 2006). https://doi.org/10.2987/8756-971X(2006)22[229:NTFSOA]2.0.CO;2
Published: 1 June 2006
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