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1 September 2013 Behavioral Responses of Two Dengue Virus Vectors, Aedes aegypti and Aedes albopictus (Diptera: Culicidae), to DUET and its Components
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Abstract

Ultralow volume droplets of DUET, prallethrin, and sumithrin at a sublethal dose were applied to unfed (nonbloodfed) and bloodfed female Aedes aegypti L. and Aedes albopictus (Skuse) in a wind tunnel. Control spray droplets only contained inert ingredients. Individual mosquitoes were videotaped before, during, and after spraying and various behaviors analyzed. During the spray periods of all three pesticide treatments, mosquitoes spent a greater percentage of time moving, and the distance moved was greater than for mosquitoes in the control treatments. In the postspray period, the percent of time moving increased for mosquitoes exposed to all pesticide treatments compared with the controls. After treatment, all females spent more time walking compared with controls, with unfed Ae. aegypti females walking more after exposure to DUET and sumithrin than after exposure to prallethrin and the control. Pesticide exposure increased flying in both species. Sumithrin exposure increased activity and velocity of unfed mosquitoes more than bloodfed mosquitoes. DUET and sumithrin treatments enhanced activity of Ae. aegypti females more than Ae. albopictus females.

Gary G. Clark, Frances V. Golden, Sandra A. Allan, Miriam F. Cooperband, and James R. Mcnelly "Behavioral Responses of Two Dengue Virus Vectors, Aedes aegypti and Aedes albopictus (Diptera: Culicidae), to DUET and its Components," Journal of Medical Entomology 50(5), (1 September 2013). https://doi.org/10.1603/ME12210
Received: 21 September 2012; Accepted: 1 July 2013; Published: 1 September 2013
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