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Aerial Survey: Though Declining, Spruce Beetle Remains Most Damaging Forest Pest

February 16, 2021

Forest managers are working together to address continued outbreaks of insects and disease in Colorado’s forests, including the spruce beetle, which remains the most damaging forest pest in the state for the ninth consecutive year, based on a 2020 aerial detection survey led by the USDA Forest Service, Rocky Mountain Region, and Colorado State Forest Service.

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