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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Field evaluation of pyriproxyfen and spinosad mixture for the control of insecticide resistant Aedes aegypti in Martinique (French West Indies)
Parasites and Vectors, Volume 3, No. 1, Article 88, Year 2010
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Description
Background. The resistance of Ae. aegypti to insecticides is already widespread and continues to develop. It represents a serious problem for programmes aimed at the control and prevention of dengue in tropical countries. In the light of this problem measures to control Ae. aegypti are being orientated towards how best to use existing insecticides, notably by combining those that have different modes of action. Results. In this study we evaluated the operational efficiency of a mixture composed of pyriproxyfen (an insect growth regulator) and spinosad (a biopesticide) against a population of Ae. aegypti from Martinique resistant to pyrethroid and organophosphate insecticides. The first step consisted of evaluating the efficacy of pyriproxyfen and spinosad when used alone, or in combination, against Ae. aegypti larvae under simulated conditions. The results showed that the mixture of pyriproxyfen+spinosad remained active for at least 8 months, compared with 3 months for spinosad alone, and 5 months for pyriproxyfen alone. In a second step in containers experiencing natural conditions, pyriproxyfen and spinosad, maintained the rate of adult emergence at 20% for 3 weeks and 3.5 months, respectively. Following the same criteria of evaluation, the mixture pyriproxyfen+spinosad remained effective for 4.5 months, showing that the combination of the two larvicides with different modes of action acted to increase the residual activity of the treatment. Conclusion. The mixture of pyriproxyfen and spinosad kills larvae and pupae giving it a broader range of action than either insecticide. This mixture could preserve the utility of both insecticides in public health programs. © 2010 Darriet et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Darriet, Frédéric
France, Montpellier
Ird Centre de Montpellier
Marcombe, Sébastien
France, Montpellier
Ird Centre de Montpellier
Étienne, Manuel
France, Martinique
Conseil Général de la Martinique
Yébakima, André
France, Martinique
Conseil Général de la Martinique
Agnew, Philip
France, Paris
Cnrs Centre National de la Recherche Scientifique
Yp-Tcha, Marie Michelle
France, Martinique
Conseil Général de la Martinique
Corbel, Vincent
Benin, Cotonou
Centre de Recherche Entomologique de Cotonou
Statistics
Citations: 60
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1186/1756-3305-3-88
e-ISSN:
17563305
Research Areas
Infectious Diseases
Study Design
Cross Sectional Study