Determinación de la resistencia a insecticidas organofosforados, carbamatos y piretroides en tres poblaciones de Anopheles albimanus (Diptera: Culicidae) de Panamá.

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Title:	Determinación de la resistencia a insecticidas organofosforados, carbamatos y piretroides en tres poblaciones de Anopheles albimanus (Diptera: Culicidae) de Panamá.
Alternate Title:	Determination of the resistance to organophosphate, carbamate, and pyrethroid insecticides in Panamanian Anopheles albimanus (Diptera: Culicidae) mosquitoes.
Authors:	Cáceres, Lorenzo¹ cacereslorenzo@gmail.com, Rovira, José¹, García, Arsenio¹, Torres, Rolando¹
Source:	Biomédica: Revista del Instituto Nacional de Salud. sep2011, Vol. 31 Issue 3, p419-427. 9p. 3 Charts, 1 Map.
Subjects:	ANOPHELES, INSECTICIDES, PESTICIDES, CARBAMATES, CARBAMIC acid
Abstract (English):	Introduction. The susceptibility of Anopheles albimanus to organophosphates, carbamates a pyrethroid insecticides was unknown in the Panama communities of Aguas Claras, Pintupo and Puente Bayano, located in the Amerindian Reservation of Madungandi. This region is considered a malaria transmission area, where An. albimanus is the main vector. Objective. The resistance to organophosphate insecticides, carbamates and pyrethroids was evaluated in field populations of the Anopheles albimanus in Panama. Materials and methods. Progeny of An. albimanus collected in three localities in the indigenous Madugandi region were exposed to bioassays of susceptibility to organophosphate insecticides (fenitrothion, malathion and chlorpyrifos), the carbamate (propoxur) and pyrethroids (deltamethrin, lambdacyhalothrin, cyfluthrin and cypermethrin). The protocols were in accordance with those established for adult mosquitoes by World Health Organization. Results. The three strains of the An. albimanus were resistant to the pyrethroid insecticides deltamethrin, lambdacyhalothrin, cyfluthrin and cypermethrin. Susceptibility remained for the organophosphate insecticides fenitrothion, malathion, chlorpyrifos, and the carbamate insecticide propoxur. Conclusion. The results provided important information to the vector control program, contributing to the application of new strategies on the use of insecticides, and thereby lengthening the life of the insecticide in use. [ABSTRACT FROM AUTHOR]
Abstract (Spanish):	Introducción. Se realizó un estudio sobre el estado de la sensibilidad de Anopheles albimanus a insecticidas organofosforados, carbamatos y piretroides, en las Iocalidades de Aguas Claras, Pintupo y Puente Bayano, ubicadas en la comarca indígena de Madugandí, Panamá, región con transmisión de malaria, donde éste es el vector principal. Objetivo. Determinar el estado de la sensibilidad a organofosforados, carbamatos y piretroides, en tres poblaciones de campo de An. albimanus de Panamá. Materiales y métodos. Las muestras de la primera generación (F 1 ) de An. albimanus recolectadas en las tres localidades de la comarca indígena de Madugandí, fueron expuestas a bioensayos de sensibilidad con insecticidas organofosforados (fenitrotión, malatión y clorpirifos), carbamatos (propoxur) y piretroides (deltametrina, lambdacihalotrina, ciflutrina y cipermetrina), de acuerdo con las normas de la Organización Mundial de la Salud para mosquitos adultos. Resultados. Las tres cepas de An. albimanus resultaron resistentes a deltametrina, lambdacihalotrina, ciflutrina y cipermetrina, y sensibles a los fenitrotión, malatión, clorpirifos y a propoxur. Conclusión. Los resultados de esta investigación aportan información importante al programa de control de vectores, y contribuyen al planteamiento de nuevas estrategias sobre el use de insecticidas. alargando así, la vida útil de los insecticidas en uso. [ABSTRACT FROM AUTHOR]
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Database:	MedicLatina

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Abstract:	Introduction. The susceptibility of Anopheles albimanus to organophosphates, carbamates a pyrethroid insecticides was unknown in the Panama communities of Aguas Claras, Pintupo and Puente Bayano, located in the Amerindian Reservation of Madungandi. This region is considered a malaria transmission area, where An. albimanus is the main vector. Objective. The resistance to organophosphate insecticides, carbamates and pyrethroids was evaluated in field populations of the Anopheles albimanus in Panama. Materials and methods. Progeny of An. albimanus collected in three localities in the indigenous Madugandi region were exposed to bioassays of susceptibility to organophosphate insecticides (fenitrothion, malathion and chlorpyrifos), the carbamate (propoxur) and pyrethroids (deltamethrin, lambdacyhalothrin, cyfluthrin and cypermethrin). The protocols were in accordance with those established for adult mosquitoes by World Health Organization. Results. The three strains of the An. albimanus were resistant to the pyrethroid insecticides deltamethrin, lambdacyhalothrin, cyfluthrin and cypermethrin. Susceptibility remained for the organophosphate insecticides fenitrothion, malathion, chlorpyrifos, and the carbamate insecticide propoxur. Conclusion. The results provided important information to the vector control program, contributing to the application of new strategies on the use of insecticides, and thereby lengthening the life of the insecticide in use. [ABSTRACT FROM AUTHOR]
ISSN:	01204157