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  • Title: Bioefficacy of Two Nonpyrethroid Insecticides for Targeted Indoor Residual Spraying Against Pyrethroid-Resistant Aedes aegypti.
    Author: Correa-Morales F, Riestra-Morales M, Bibiano-Marín W, Dzul-Manzanilla F, Del Castillo-Centeno LF, Palacio-Vargas JA, Che-Mendoza A, Gonzalez-Olvera G, Lopez-Monroy B, Vazquez-Prokopec G, Manrique-Saide P.
    Journal: J Am Mosq Control Assoc; 2019 Dec; 35(4):291-294. PubMed ID: 31922939.
    Abstract:
    We evaluated the efficacy of bendiocarb (Ficam W® 80%) and pirimiphos-methyl (Actellic 300CS® 28.16%), applied to different surfaces potentially sprayable within houses during the application of a targeted indoor residual spraying (TIRS) against a field pyrethroid-resistant strain of Aedes aegypti. Bioassays with cones were performed on cement (walls), wood (doors), and textile (cloth) surfaces within typical houses in the Mexican city of Merida (n = 10). Optimal residual efficacy (>80% of mean mortality) of bendiocarb ranged from 3 months (cement) to 2 months (wood and textiles). Residual efficacy of pirimiphos-methyl ranged from 5 months (cement) to 2 months (wood and textiles). Both insecticides proved to be effective as adulticides against field Ae. aegypti and may be useful in mosquito control programs implementing TIRS with pyrethroid-resistant populations.
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