Synergistic efficacy of botanical blends with and without synthetic insecticides against Aedes aegypti and Culex annulirostris mosquitoes

Shaalan, Essam Abdel-Salam, Canyon, Deon Vahid, Younes, Mahamed Wagdi Faried, Abdel-Wahab, Hoda, and Mansour, Abdel-Hamid (2005) Synergistic efficacy of botanical blends with and without synthetic insecticides against Aedes aegypti and Culex annulirostris mosquitoes. Journal of Vector Ecology, 30 (2). pp. 284-288.

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Abstract

Increasing insecticide resistance requires strategies to prolong the use of highly effective vector control compounds. The use of combinations of insecticides with other insecticides and phytochemicals is one such strategy that is suitable for mosquito control. In bioassays with Aedes aegypti and Culex annulirostris mosquitoes, binary mixtures of phytochemicals with or without synthetic insecticides produced promising results when each was applied at a LC25 dose. All mixtures resulted in 100% mortality against Cx. annulirostris larvae within 24 h rather than the expected mortality of 50%. All mixtures acted synergistically against Ae. aegypti larvae within the first 24 h except for one mixture that showed an additive effect. We conclude that mixtures are more effective than insecticides or phytochemicals alone and that they enable a reduced dose to be applied for vector control potentially leading to improved resistance management and reduced costs.

Item ID: 6748
Item Type: Article (Research - C1)
ISSN: 1948-7134
Keywords: botanical; insecticide; mosquito; phytochemical; sub lethal
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Reproduced with permission from Journal of Vector Ecology.

Date Deposited: 01 Mar 2010 05:00
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 100%
SEO Codes: 92 HEALTH > 9299 Other Health > 929999 Health not elsewhere classified @ 100%
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