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Revista Cubana de Medicina Tropical
Print version ISSN 0375-0760
Abstract
BISSET LAZCANO, Juan Andrés et al. Evaluation of insecticidal resistance observed in Aedes aegypti (Diptera:Culicidae) from Argentina. Rev Cubana Med Trop [online]. 2014, vol.66, n.3, pp. 360-369. ISSN 0375-0760.
Introduction: despite the great efforts of the Ministry of Health in Argentina for the control of Aedes Aegypti, certain significant infestation indexes persist in some regions and lead to the occurrence of dengue epidemics or outbreaks. This negative indicator is remarkable in Misiones y Buenos Aires provinces where the use of pesticides is important. Objective: to determine the levels of resistance of Aedes aegypti strains to chemical insecticidal effects in Misiones and Buenos Aires provinces in Argentina. Methods: World Health Organization bioassays determined the level of resistance in mosquito larvae to organophosphate insecticides (temephos and fenitrotion) and to pyrethroids (deltametrin and cypermetrin). In adult mosquitoes, the action of pyrethroids (deltametrin, lambdacyalotrin and cypermetrin) as well as that of organophosphate ones called chlorpiriphos was evaluated. Results: both the larvae and the adult insects were susceptible to all the insecticides. Conclusions: The chemical control of Ae aegypti in the studied areas from Misiones and Buenos Aires provinces can be effectively exerted by using the insecticides for the vector control such as temephos as larvicide and pyrethroids and the organophosphate called chlorpiriphos as adulticides.
Keywords : Aedes aegypti; Argentina; insecticidal susceptibility; pyrethroids and organophosphate compounds.