1959. Caged lower bole of balsam woolly adelgid (Chermes piceae) infested Abies lasiocarpa. Willamette Pass, Oregon. (39294294430)

Description:

Summary[edit] Description: Caged lower bole of balsam woolly adelgid (Chermes piceae) infested Abies lasiocarpa. Willamette Pass, Oregon. Photo by: Ken H. Wright Date: October 8, 1959 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2460 For more about the balsam woolly adelgid see: Ragenovich, I.R. and R.G. Mitchell. 2006. Balsam Woolly Adelgid. Forest Insect and Disease Leaflet 118. USDA Forest Service, available here: www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_043667.pdf 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 Public domainPublic domainfalsefalse. : This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. English | español | 日本語 | македонски | Nederlands | русский | slovenščina | українська | +/− :. Date: 8 October 1959, 11:11. Source: 1959. Caged lower bole of balsam woolly adelgid (Chermes piceae) infested Abies lasiocarpa. Willamette Pass, Oregon.. Author: R6, State & Private Forestry, Forest Health Protection.