Adulticidal & larvicidal efficacy of three neonicotinoids against insecticide susceptible & resistant mosquito strains

The Indian Journal of Medical Research
Sreehari UragayalaRaghavendra Kamaraju

Abstract

Due to ever growing insecticide resistance in mosquitoes to commonly used insecticides in many parts of the globe, there is always a need for introduction of new insecticides for the control of resistant vector mosquitoes. In this study, larvicidal and adulticidal efficacies of three neonicotinoids (imidacloprid, thiacloprid and thiamethoxam) were tested against resistant and susceptible populations of Anopheles stephensi Liston 1901, Aedes (Stegomyia) aegypti Linnaeus, and Culex quinquefasciatus Say (Diptera: Culicidae). Laboratory-reared mosquito species were used. Insecticide susceptibility tests were done using standard WHO procedures and using diagnostic dosages of insecticide test papers and larvicides. Adulticidal efficacy of candidate insecticides was assessed using topical application method and larval bioassays were conducted using standard WHO procedure. The results of topical application on 3-5 day old female mosquitoes indicated that resistant strain of An. stephensi registered lower LC 50 values than the susceptible strain. Among the three insecticides tested, thiacloprid was found more effective than the other two insecticides. Culex quinquefasciatus registered lowest LC 50 for imidacloprid than the other two mos...Continue Reading

Citations

Mar 12, 2019·Artificial Cells, Nanomedicine, and Biotechnology·Jincai MaTijjani Sabiu Imam
Nov 19, 2020·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Oleg V VaulinViktor V Glupov
Sep 20, 2017·Ecotoxicology and Environmental Safety·Chaitali P LabadeVaijayanti A Tamhane

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