Aedes aegypti Resistance to Temephos in Argentina

Emilia Seccacini; Alejandro Lucia; Eduardo Zerba; Susana Licastro; Héctor Masuh

doi:10.2987/5738.1

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Emilia Seccacini,^* Alejandro Lucia,^* Eduardo Zerba,^*,** Susana Licastro,^*,*** Héctor Masuh^*,**

^*Centro de Investigaciones de Plagas e Insecticidas (CITEFA-CONICET), J. B. La Salle 4397 (B1603ALO) Villa Martelli, Buenos Aires, Argentina
^**Escuela de Posgrado, Universidad Nacional de General San Martín (UNSAM), Belgrano 3563 1° piso (B1650ANQ) San Martín, Buenos Aires, Argentina
^***To whom correspondence should be addressed.

Abstract

Monitoring of resistance of Aedes aegypti to temephos was implemented in the provinces of Formosa and Misiones, Argentina, as a response to the need to improve the vigilance for the dengue vector in areas of high risk of dengue. Eggs collected in each locality were reared, and susceptibility to temephos was assayed using larval bioassays. A weak decrease in susceptibility of larvae to temephos was observed in Clorinda and Puerto Iguazú, indicating an incipient resistance with a resistance ratio of 3. No control failures have been observed yet, and this program should allow the early detection of a real problem in our country.

Citation Download Citation

Emilia Seccacini, Alejandro Lucia, Eduardo Zerba, Susana Licastro, and Héctor Masuh "Aedes aegypti Resistance to Temephos in Argentina," Journal of the American Mosquito Control Association 24(4), 608-609, (1 December 2008). https://doi.org/10.2987/5738.1

Published: 1 December 2008