Central Oregon Service Center entomologists Rob Flowers (left) and Andy Eglitis during field work assessing long-term monitoring plots in subalpine fir stands affected by balsam woolly adelgid. Crater Lake National Park, Oregon.
Photo by: Rob Flowers
Date: October 2, 2015
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Central Oregon Insect and Disease Service Center.
Source: Rob Flowers collection. Bend, Oregon.
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:
www.fs.usda.gov/main/r6/forest-grasslandhealth
