File:1959. Balsam woolly adelgid (Chermes piceae) infestation reaching to ground line on large Abies lasiocarpa. Willamette Pass, Oregon. (41103273631).jpg
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[edit]Description1959. Balsam woolly adelgid (Chermes piceae) infestation reaching to ground line on large Abies lasiocarpa. Willamette Pass, Oregon. (41103273631).jpg |
Balsam woolly adelgid (Chermes piceae) infestation reaching to ground line on large 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-2458 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: <a href="https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_043667.pdf" rel="nofollow">www.fs.usda.gov/Internet/FSE_DOCUMENTS/fsbdev2_043667.pdf</a> For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: <a href="http://wfiwc.org/content/history-and-resources" rel="nofollow">wfiwc.org/content/history-and-resources</a> Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: <a href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>
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Source | 1959. Balsam woolly adelgid (Chermes piceae) infestation reaching to ground line on large Abies lasiocarpa. Willamette Pass, Oregon. | ||||
Author | R6, State & Private Forestry, Forest Health Protection |
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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.
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This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/41103273631 (archive). It was reviewed on 7 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
7 May 2018
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