Aedes aegypti resistance to temephos in Argentina.
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.
Seccacini
Emilia
E
Centro de Investigaciones de Plagas e Insecticidas (CITEFA-CONICET), J. B. La Salle 4397 (B1603ALO) Villa Martelli, Buenos Aires, Argentina.
Lucia
Alejandro
A
Zerba
Eduardo
E
Licastro
Susana
S
Masuh
Hector
H
D000330:Aedes / Q000187:drug effects*; D000818:Animals; D001118:Argentina; D007303:Insect Vectors / Q000187:drug effects*; D007305:Insecticide Resistance; D007306:Insecticides / Q000494:pharmacology*; D000002:Temefos / Q000494:pharmacology*
D007306:Insecticides; D000002:Temefos