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Control of Malaria Vector Mosquitoes by Insecticide-Treated Combinations of Window Screens and Eave Baffles.

Killeen, G. F., Masalu, J. P., Chinula, D., Fotakis, E. A., Kavishe, D. R., Malone, D. and Okumu, F. (2017) Control of Malaria Vector Mosquitoes by Insecticide-Treated Combinations of Window Screens and Eave Baffles. Emerging infectious diseases, 23 (5). pp. 782-789. ISSN 1080-6059

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We assessed window screens and eave baffles (WSEBs), which enable mosquitoes to enter but not exit houses, as an alternative to indoor residual spraying (IRS) for malaria vector control. WSEBs treated with water, the pyrethroid lambda-cyhalothrin, or the organophosphate pirimiphos-methyl, with and without a binding agent for increasing insecticide persistence on netting, were compared with IRS in experimental huts. Compared with IRS containing the same insecticide, WSEBs killed similar proportions of Anopheles funestus mosquitoes that were resistant to pyrethroids, carbamates and organochlorines and greater proportions of pyrethroid-resistant, early exiting An. arabiensis mosquitoes. WSEBs with pirimiphos-methyl killed greater proportions of both vectors than lambda-cyhalothrin or lambda-cyhalothrin plus pirimiphos-methyl and were equally efficacious when combined with binding agent. WSEBs required far less insecticide than IRS, and binding agents might enhance durability. WSEBs might enable affordable deployment of insecticide combinations to mitigate against physiologic insecticide resistance and improve control of behaviorally resistant, early exiting vectors.

Item Type: Article
Keywords: Anopheles arabiensis, Anopheles funestus, Anopheles spp., Plasmodium spp., Tanzania, Behavior, Eave baffles, Entomology, Indoor residual spraying, Insecticide Resistance, Lambda-cyhalothrin, Malaria, Mosquitoes, Parasites, Pirimiphos-methyl, Residual transmission, Vector control, Vector-borne infections, Window screens
Subjects: Malaria > Vector control
Divisions: Ifakara Health Institute > Environmental
Depositing User: Mr Joseph Madata
Date Deposited: 13 Jan 2018 13:14
Last Modified: 13 Jan 2018 13:14

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