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Use of infochemicals in Pest Management with Special Reference to the Banana Weevil, Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae)

Published online by Cambridge University Press:  19 September 2011

William Tinzaara ,
Marcel Dicke ,
Arnold van Huis  and
Clifford S. Gold
William Tinzaara
Affiliation:
International Institute of Tropical Agriculture, East and Southern Africa Regional Centre, P. O. Box 7878, Kampala, Uganda Laboratory of Entomology, Wageningen University, P. O. Box 8031, 6700 EH Wageningen, The Netherlands
Marcel Dicke
Affiliation:
Laboratory of Entomology, Wageningen University, P. O. Box 8031, 6700 EH Wageningen, The Netherlands
Arnold van Huis
Affiliation:
Laboratory of Entomology, Wageningen University, P. O. Box 8031, 6700 EH Wageningen, The Netherlands
Clifford S. Gold
Affiliation:
International Institute of Tropical Agriculture, East and Southern Africa Regional Centre, P. O. Box 7878, Kampala, Uganda
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Abstract

—Infochemicals play an important role in the biology of many insect species. An understanding of their role in plant-herbivore-carnivore interactions can be used in the development of tools for the enhancement of environmentally benign alternatives to synthetic pesticides. This review discusses how chemical information mediates ecological interactions between organisms and the role of infochemicals in integrated pest management. Infochemicals can be used in pest monitoring and in pest control, through mating disruption, mass trapping and to aggregate herbivores at delivery sites for biological control agents. Particular emphasis is placed on the potential of using pheromones and kairomones in the management of the banana weevil, Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae), a pest in plantations of East African highland banana and plantain in most banana-growing regions of the world. Cosmopolites sordidus produces an aggregation pheromone that attracts both males and females. This pheromone has been identified and synthesised and is being recommended as an effective agent in the trapping and control of the weevil. The synergism between banana plant extracts (kairomones) and the synthetic pheromone in attracting C. sordidus should be better exploited. Future research areas that can provide information for the development of an infochemical-based trapping system for the management of C. sordidus are discussed.

Résumé

—Les sémiochimiques jouent un rôle important dans la biologie de beaucoup d'espèces d'insectes. La compréhension de leurs rôles dans les interactions plante-herbivore-carnivore peut-être utilisée pour le développement d'outils destines à améliorer les techniques de luttes alternatives aux pesticides de synthèse. Cet article montre comment l'information chimique agit sur les interactions écologiques entre organismes et, discute du role des infochimiques dans la gestion intégrée des ravageurs. Les sémiochimiques peuvent être utilises pour surveiller et contrôler les ravageurs, à l'aide de la technique de la confusion sexuelle et du piégeage de masse et pour rassembler les ravageurs en un lieu donné pour les agents de lutte biologique. Une attention particulière a été portée au rôle potentiel de l'utilisation des pheromones et des kairomones dans la gestion du charançon du bananier Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae), un ravageur des plantations de bananiers des hautes terres d'Afrique de l'Est et de la plupart des zones productrices de bananes dans le monde. Cosmopolites sordidus émet une phéromone d'agrégation qui attire aussi bien les mâles que les femelles. Cette phéromone a été identifiée et synthétisée et son utilisation recommandée pour piéger et contrôler efficacement le charançon. Le synergisme entre les extraits de bananier (kairomone) et la phéromone de synihèse dans l'attraction de C. sordidus devrait être mieux exploité. Les futurs domaines de recherches pouvant fournir des informations pour le développement d'un système de piégeage à base d'infochimiques pour la gestion de C. sordidus sont discutés.

Keywords

infochemicalskairomonesaggregation pheromoneColeopterabanana weevilCosmopolites sordidusbiological controlpathogenic fungipredatorssynergismsémiochimiqueskairomonesphéromone d'agrégationColeopteracharanion du bananierCosmopolites sordiduslutte biologiquechampignon pathogèneprédateurssynergisme
Type
Review Article
Information
International Journal of Tropical Insect Science , Volume 22 , Issue 4 , December 2002 , pp. 241 - 261
Copyright
Copyright © ICIPE 2002

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