Insecticide Resistance in Triatoma infestans in Argentina

REVISTA DE SALUD AMBIENTAL(2021)

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Abstract
Triatominae (kissing bugs) are the vectors of Chagas disease. Chemical control of these insects is the main tool for reducing the incidence of the disease. Pyrethroids are the main insecticides used for triatomine control in all endemic countries. The evolution of insecticide resistance renders a successful chemical control strategy ineffective. In Argentina, different foci of resistance have been detected in Triatoma infestans-the most important vector in the Southern Cone of South America, which are associated with control deficiencies. The studies conducted on this species show that resistance is a complex problem because it has evolved in several areas of the species' geographical distribution. Different resistance mechanisms have been identified. Resistance is associated with changes in various biological processes and linked to environmental changes. There is a lack of control alternatives. This paper is a review of the knowledge on pyrethroid resistance in T. infestans in Argentina.
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Key words
Triatoma infestans, Chagas, insecticide resistance, pyrethroids
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