Bendiocarb, a potential alternative against pyrethroid resistant Anopheles gambiae in Benin, West Africa.

Malaria Journal
Martin AkogbetoAnges Yadouléton

Abstract

Anopheles gambiae, the main malaria vector in Benin has developed high level of resistance to pyrethroid insecticides, which is a serious concern to the future use of long-lasting insecticidal nets (LLIN) and indoor residual spraying (IRS). In this context, one of the pathways available for malaria vector control would be to investigate alternative classes of insecticides with different mode of action than that of pyrethroids. The goal of this study was to evaluate under field conditions the efficacy of a carbamate (bendiocarb) and an organophosphate (fenitrothion) against pyrethroid-resistant An. gambiae s.s. Wild populations and females from laboratory colonies of five days old An. gambiae were bio-assayed during this study. Two pyrethroids (deltamethrin and alphacypermethrin), an organophosphate (fenitrothion), a carbamate (bendiocarb) and a mixture of an organophosphate (chlorpyriphos + a pyrethroid deltamethrin) were compared in experimental huts as IRS treatments. Insecticides were applied in the huts using a hand-operated compression sprayer. The deterrency, exophily, blood feeding rate and mortality induced by these insecticides against An. gambiae were compared to the untreated control huts. Deltamethrin, alphacypermet...Continue Reading

References

Jun 29, 2000·Medical and Veterinary Entomology·K HargreavesM Coetzee
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Dec 19, 2003·Journal of Medical Entomology·Josiane EtangDidier Fontenille
Sep 10, 2004·Annual Review of Entomology·Helen Pates, Christopher Curtis

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Citations

May 28, 2016·Malaria Journal·Sanjiarizaha RandriamaherijaonaSébastien Boyer
Nov 28, 2018·Nature Communications·Ellie Sherrard-SmithThomas S Churcher
Dec 4, 2019·Nature Microbiology·Gregory P D MurrayPhilip J McCall

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