Towards a new approach of aphid management in apple orchards

In conventional biological aphid control in its simplest form only direct interactions between the control agent and the aphid are considered. There is however increasing more than ever of evidences amassed by Ecologists for the structural importance of indirect interactions in insect communities. Hence, aphid communities could be structured by this type of interaction called also “apparent competition” where the species interact through shared natural enemies. Indirect impacts among aphids are the effects of one species on another mediated by at least one intermediate common natural enemy.

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