Douglas-fir killed by bark beetles in 1951. Light trees are beetle kills. The beetles bred in blowdown of 1949-1950. East face of Mary's Peak. Corvallis watershed. Benton County, Oregon.
Photo by: R.C. Wilson
Date: May 23, 1952
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-945
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 For related historic program documentation see:
archive.org/details/AerialForestInsectAndDiseaseDetection... Johnson, J. 2016. Aerial forest insect and disease detection surveys in Oregon and Washington 1947-2016: The survey. Gen. Tech. Rep. R6-FHP-GTR-0302. Portland, OR: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. 280 p.
Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
