The role of agricultural use of insecticides in resistance to pyrethroids in Anopheles gambiae s.l. in Burkina Faso.

Abdoulaye Diabate Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Thierry Baldet Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Fabrice Chandre Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Martin Akoobeto Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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T Robert Guiguemde Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Frédéric Darriet Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Cécile Brengues Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Pierre Guillet Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Janet Hemingway Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Graham J Small Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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Jean Marc Hougard Laboratoire d'Entomologie et de Parasitologie, Centre Muraz, Bobo-Dioulasso, Burkina Faso. a_diabate@hotmail.com

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DOI:
https://doi.org/10.4269/ajtmh.2002.67.617
Volume/Issue:
Volume 67: Issue 6
Page(s):
617–622
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Agricultural use of insecticides is involved in the selection of resistance to these compounds in field populations of mosquitoes in Burkina Faso. Anopheles gambiae s.l. was resistant to permethrin and DDT in cotton-growing and urban areas, but susceptible in areas with limited insecticide selection pressure (rice fields and control areas). Nevertheless, resistance to these insecticides was observed in a village on the outskirts of the rice fields at the end of the rainy season, suggesting that the latter population of mosquitoes had migrated from the surrounding cotton villages into the rice fields. A seasonal variation of resistance observed in the cotton-growing area is related to the distribution of the molecular M and S forms of An. gambiae, since resistance to pyrethroids has so far only been reported in the S form. Pyrethroid resistance in west African An. gambiae was conferred by target site insensitivity through a knockdown resistance (kdr)-like mutation, which was present at high frequencies in mosquitoes in the cotton-growing and urban areas.

Author Notes

Published Online:
Dec 2002
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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