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Volume 14, Number 11—November 2008

Research

Mixture for Controlling Insecticide-Resistant Malaria Vectors

Cédric Pennetier1Comments to Author , Carlo Costantini, Vincent Corbel, Séverine Licciardi, Roch K. Dabiré, Bruno Lapied, Fabrice Chandre, and Jean-Marc Hougard
Author affiliations: Institut de Recherche pour le Développement, Cotonou, Bénin (C. Pennetier, S. Licciardi, F. Chandre, J.-M. Hougard); Institut de Recherche pour le Développement , Bobo-Dioulasso, Burkina Faso (C. Costantini); Centre de Recherche Entomologique de Cotonou, Cotonou (C. Pennetier, S. Licciardi, F. Chandre, J.-M. Hougard); Institut de Recherche en Sciences de la Santé, Bobo-Dioulasso (C. Costantini, R.K. Dabiré); Institut de Recherche pour le Développement, Montpellier, France (V. Corbel); Université d’Angers, Angers, France (B. Lapied);

Main Article

Table 3

Comparative frequencies of 2 resistance genes between mosquitoes after exposure to treated nets*

Treatment kdr frequency/no. tested
Ace1R frequency/no. tested
Surviving mosquitoes Dead mosquitoes p value Total no. tested Surviving mosquitoes Dead mosquitoes p value Total no. tested
PM+DEET 0.93/22 0.98/27 0.32 49 0.50/23 0.45/28 0.51 51
PM+KBR 0.89/23 0.96/28 0.22 51 0.43/23 0.46/26 0.74 49
Kothrin 1.00/33 0.95/19 0.13 52 0.44/34 0.39/19 0.49 53

*kdr, knockdown resistance allele; Ace1R, insensitive acetylcholinesterase resistance allele; PM, pirimiphos methyl; DEET, diethyl-3-methylbenzamide; KBR, hydroxyethyl isobutyl piperidine carboxylate; Kothrin, 20% deltamethrin (Bayer Crop Science, Monheim am Rhein, Germany).

Main Article

1Current affilations: Natural Resources Institute, Chatham Maritime, Kent, UK; and University of Sussex, Brighton, UK.

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