Intraguild predation among aphidophagous predators. A review
Lucas, E.(Universite du Quebec, Montreal (Canada). Dept. des Sciences Biologiques)E-mail:[email protected]
A growing number of papers have been published on intraguild predation (IGP), demonstrating the ubiquity and the importance of this interaction. It appears that aphidophagous guilds constitute especially favourable systems for IGP. Temporal and spatial distributions of aphids promote interactions, such as IGP, among natural enemies. Several questions remain to be answered: Which traits of the different protagonists of the system may promote or hamper the occurrence of IGP? How do ants tending aphids modulate the interaction? How should one consider the "sub-lethal" effects associated with the risk of IGP? May IGP disrupt or enhance aphid control? These different issues are discussed by focusing on the predatory species in the complex system of aphidophagous guilds.
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