Port Orford cedar dying from Phytophthora root infection. Phloeosinus (cedar bark beetle) filling in. North Bend, Oregon.
Photo by: Ken H. Wright Date: July 10, 1954
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1199
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 Western International Forest Disease Work Conference information see: www.wifdwc.org/