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1 September 2008 Field Evaluation of Spatial Repellency of Metofluthrin-Impregnated Plastic Strips Against Anopheles gambiae Complex in Bagamoyo, Coastal Tanzania
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Abstract

Metofluthrin is a newly synthesized pyrethroid possessing high knockdown and lethal activity against mosquitoes. Studies of metofluthrin-impregnated plastic strips have been performed with dengue vectors. This study reports the efficacy of the new prototypes of metofluthrin-impregnated plastic strips against malaria vectors, Anopheles gambiae complex, in the Kongo villages of Bagamoyo district in coastal Tanzania. The study, using 20 houses, half intervention, half control, was conducted for a 124-day period. Pyrethrum spray sheets and Centers for Disease Control and Prevention light traps were used to sample mosquito population indices. The mosquito density indices of the intervention houses were observed to be significantly lower than those of the control houses when pyrethrum spray sheet collection was used (F = 4.61, 1 df, P = 0.038; 98.7% reduction of total mosquito collection compared with that for the controls). These low indices were observed despite the large openings found in Bagamoyo houses, which were predicted to have a considerable negative effect on the spatial repellency of metofluthrin. Based on the present results, the pyrethrum spray sheet collection was the better of the 2 collection methods.

Hitoshi Kawada, Emmanuel A. Temu, Japhet N. Minjas, Osamu Matsumoto, Tomonori Iwasaki, and Masahiro Takagi "Field Evaluation of Spatial Repellency of Metofluthrin-Impregnated Plastic Strips Against Anopheles gambiae Complex in Bagamoyo, Coastal Tanzania," Journal of the American Mosquito Control Association 24(3), 404-409, (1 September 2008). https://doi.org/10.2987/5743.1
Published: 1 September 2008
JOURNAL ARTICLE
6 PAGES

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