Deck of Douglas-fir logs (from thinning area) that was sprayed with ethylene dibromide (EDB) emulsion and then covered with plastic to shed rain, and possibly increase fumigating action. Brood in interior of pile largely survived. Hebo Ranger District, Siuslaw National Forest, Oregon.
Photo by: Ken H. Wright
Date: May 27, 1960
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-3038
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
