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A forest has some green pines, and some reddish-brown ones, killed by bark beetles. This forest is ringing a mountain lake with lily pads. Behind the trees are rocky, craggy peaks.
(Photo: Ronald Sherwood)

Native forest pests have been part of ecosystems for millennia and function as nutrient recyclers; agents of disturbance; members of food chains; and regulators of productivity, diversity, and density. Fire suppression and logging have led to simplified forests that may increase the risk of insect outbreaks. To manage these challenges to our forests it is important to evaluate control efforts to date and reexamine their efficacy. Strategies that foster balanced, resilient forests should be prioritized to control insect pests naturally and limit further degradation.

Learn More about Pesticides