1920. Western pine beetle (Dendroctonus brevicomis) galleries in Pinus ponderosa. Sierra National Forest, California. (35548507043)

Description:

Description: Western pine beetle (Dendroctonus brevicomis) galleries in Pinus ponderosa. Sierra National Forest, California. Photo by: Unknown Date: 1920 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2555 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185. For related historical information see: www.treesearch.fs.fed.us/pubs/21476 Wickman, Boyd E. 2005. Harry E. Burke and John M. Miller, pioneers in Western forest entomology. General Technical Report. PNW-GTR-638. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 163 p. For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: wfiwc.org/content/history-and-resources Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth. Date: 1920. Source: 1920. Western pine beetle (Dendroctonus brevicomis) galleries in Pinus ponderosa. Sierra National Forest, California.. Author: R6, State & Private Forestry, Forest Health Protection.