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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Field efficacy of new larvicide products for control of multi-resistant Aedes aegypti populations in Martinique (French West Indies)
American Journal of Tropical Medicine and Hygiene, Volume 84, No. 1, Year 2011
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Description
World-wide dengue vector control is hampered by the spread of insecticide resistance in Aedes aegypti. We report the resistance status of a wild Ae. aegypti population from Martinique (Vauclin) to conventional larvicides (Bacillus thuringiensis var israeliensis [Bti] and temephos) and potential alternatives (spinosad, diflubenzuron, and pyriproxyfen). The efficacy and residual activity of these insecticides were evaluated under simulated and field conditions. The Vauclin strain exhibited a high level of resistance to temephos, a tolerance to insect growth regulators, and full susceptibility to spinosad and Bti. In simulated trials, pyriproxyfen and Bti showed long residual activities in permanent breeding containers (28 and 37 weeks), whereas under field conditions they failed to curtail Ae. aegypti populations after four weeks. Conversely, diflubenzuron and spinosad showed a residual efficacy of 16 weeks, suggesting that these chemicals may be promising alternatives to Bti and temephos for controlling insecticide-resistant Ae. aegypti populations. Copyright © 2011 by The American Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Marcombe, Sébastien
France, Montpellier
Ird Centre de Montpellier
Darriet, Frédéric
France, Montpellier
Ird Centre de Montpellier
Agnew, Philip
France, Paris
Cnrs Centre National de la Recherche Scientifique
Étienne, Manuel
Martinique
Centre de la Démoustication
Yp-Tcha, Marie Michelle
Martinique
Centre de la Démoustication
Yébakima, André
Martinique
Centre de la Démoustication
Corbel, Vincent
Benin, Cotonou
Centre de Recherche Entomologique de Cotonou
Statistics
Citations: 76
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.4269/ajtmh.2011.10-0335
ISSN:
00029637
Research Areas
Health System And Policy
Infectious Diseases
Study Design
Cross Sectional Study