Reference : Ant-aphid mutualism - Implication of honeydew microflora
Scientific congresses and symposiums : Unpublished conference/Abstract
Physical, chemical, mathematical & earth Sciences : Chemistry
Life sciences : Entomology & pest control
Ant-aphid mutualism - Implication of honeydew microflora
Fischer, Christophe mailto [Université de Liège - ULiège > Chimie et bio-industries > Analyse, qual. et risques - Labo. de Chimie analytique >]
Piraux, Olivier [> >]
Lognay, Georges mailto [Université de Liège - ULiège > Chimie et bio-industries > Analyse, qual. et risques - Labo. de Chimie analytique >]
Haubruge, Eric mailto [Université de Liège - ULiège > Services administratifs généraux > Vice-Recteur de Gembloux Agro Bio Tech >]
Detrain, Claire [> >]
Verheggen, François mailto [Université de Liège - ULiège > Sciences agronomiques > Entomologie fonctionnelle et évolutive >]
Annual Symposium of the International Society of Chemical Ecology
[en] ant ; aphid ; mutualism ; honeydew ; bacteria
[en] Some ant and aphid species can present a mutualistic relationship, ants using aphid honeydew as sugar source and in exchange providing the aphid colony cleaning and protection. From a behavioral point of view, this phenomenon has been well studied from decades. However, its chemistry and semiochemical mechanisms are still largely unknown. This study aims to identify semiochemicals involved in the establishment of this relation, using both chemical and behavioral approaches. Bioassays revealed that the greatest part of ant attraction toward aphid colonies is due to honeydew volatile compounds; enabling ant scouts to find more quickly aphid colonies and distantly recognize myrmecophilous species. Many of those VOCs seeming to have microbial origins, the main honeydew microorganisms have been isolated and their roles in VOCs production and ant attraction have been investigated. It appeared that honeydew microflora holds a key role in the establishment of ant-aphids mutualistic relationship.
Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (Communauté française de Belgique) - FRIA
Researchers ; Students ; General public

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