by observing egg-laying and damage, and differentiate between the species of budworm larvae present.
Apply insecticides if necessary * ( e-phy ). There are effective ovicidal and larvicidal insecticides which are applied to other budworms, without the need for specific intervention except in Alsace.
Preserve the auxiliary fauna because there are many natural predators and parasitoids of A. ljungiana . If the use of insecticides is unavoidable, take into account their absence of unintended effects on the auxiliaries.
Crops