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Life SciencesEcologyEntomologyForest EntomologyForest ManagementInsect EcologyForest Insect ConservationForest Insect Impact AssessmentForest Insect PestsForest Insect-tree InteractionsInvasive Insect ManagementPest ControlForest Pest ConservationForest Pest EcologyForest Pest Invasion BiologyForestry EntomologySpruce Budworm Dynamics