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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 107, No. 8, 2012, pp. 1042-1047
Bioline Code: oc12172
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 107, No. 8, 2012, pp. 1042-1047

 en Susceptibility and resistance to deltamethrin of wild and domestic populations of Triatoma infestans check for this species in other resources (Reduviidae: Triatominae) in Bolivia: new discoveries
Depickère, Stéphanie; Buitrago, Rosio; Siñani, Edda; Baune, Marianne; Monje, Marcelo; Lopez, Ronald; Waleckx, Etienne; Chavez, Tamara & Brenière, Simone Frédérique

Abstract

Bolivia is a high-endemic country for Chagas disease, for which the principal vector is Triatoma infestans check for this species in other resources (Triatominae). This is a mainly domestic species that is also found in the wild environment. Recently, an increasing number of studies have shown the importance of Triatominae resistance to insecticides, especially in Bolivia. Data regarding the susceptibility/resistance of wild and domestic populations of T. infestans to deltamethrin are presented. For the first time, domestic populations of the department of Santa Cruz were tested, showing low resistance. Although most of the wild populations were found to be susceptible to deltamethrin, three populations from three departments showed a mortality rate of less than 100%. This result is emphasised here.

Keywords
Chagas disease - Triatoma infestans - deltamethrin - wild and domestic populations - resistance - susceptibility

 
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