1953. Douglas-fir beetle (Dendroctonus pseudotsugae). Typical etching of log by galleries. Completeness of larval mines indicates a highly successful brood. North Fork Willamette River. Oakridge, Oregon.

1953-09-16T00:00:00Z

Douglas-fir beetle (Dendroctonus pseudotsugae). Typical etching of log by galleries. Completeness of larval mines indicates a highly successful brood. North Fork Willamette River. Oakridge, Oregon. Photo by: Ken H. Wright Date: September 16, 1953 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1150 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 additional historic 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