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Rettich F: Residual toxicity of wall-sprayed organophosphates, carbamates and pyrethroids to mosquito Culex pipiens molestus Forskal. J Hyg Epidemiol Microbiol Immunol. 1980;24(1):110-7.
Common house mosquito Culex pipiens molestus Forskal was used to test biologically the residual toxicity of 15 organophosphorus, 5 carbamate and 5 pyrethroid insecticide preparations sprayed on whitewashed or limewashed wall surfaces. The doses of 0.1 g and 1.0 g of active ingredient per 1 m2 of wall surface were used in this experiment. At the dose of 1 g/m2, organophosphates chlorpyriphos, diazinon, fenitrothion, malathion, pirimiphos-methyl and propetamphos, cambamates bendiocarb, dioxacarb, propoxur and promecarb, and pyrothroids bioresmethrin, decamethrin-permethrin and tetramethrin produced on whitewashed wall surfaces the residual toxicity persisting for at least four months. At the dose of 0.1 g/m2, a long-lasting residual toxicity persisting on whitewashed wall surfaces for at least two months was observed after bendiocarb, decamethrin, fenitrothion, permethrin, pirimiphos-methyl and propoxur application. The residual toxicity of organophosphates, carbamates except for bendiocarb and pyrethroids except for permethrin sprayed on limewashed wall surfaces was considerably shorter than on whitewashed surface. |
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