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 - Spruce Mountain - Document - PDFSEARCH.IO

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	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 Document Date: 2012-08-13 14:28:20 Open Document File Size: 3,75 MB Share Result on Facebook City Washington / / Facility Diseases Image Library / / Organization USDA Forest Service / Idaho Department of Lands / / Person Ryan Ludlow / / ProvinceOrState Okanogan / Okanogan County / Idaho / Ferry County / Ferry / / Region eastern Washington / / SocialTag Flora of North America Flora Spruce Budworm Mountain pine beetle Bark beetle Pinus ponderosa Pine Bark Thanasimus formicarius Flora of the United States

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 larvaeAdd to Reading List