Signs of Western Spruce Budworm Damage Western spruce budworm (WSBW) consumes the needles of Douglas-fir, grand fir, pacific silver fir, and Engelmann spruce and to a lesser extent other tree species as well. WSBW larvae

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Date: 2012-08-13 14:28:20 Flora of North America Flora Spruce Budworm Mountain pine beetle Bark beetle Pinus ponderosa Pine Bark Thanasimus formicarius Flora of the United States Curculionidae Woodboring beetles		Signs of Western Spruce Budworm Damage Western spruce budworm (WSBW) consumes the needles of Douglas-fir, grand fir, pacific silver fir, and Engelmann spruce and to a lesser extent other tree species as well. WSBW larvae Add to Reading List Source URL: www.dnr.wa.gov Download Document from Source Website File Size: 3,75 MB Share Document on Facebook

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