File:1958. Abies fraseri top-killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington. (40957406081).jpg

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Abies fraseri top-killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington.

Photo by: R.E. Balch Date: July 1958

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2995

For more, see The Balsam Woolly Aphid Problem in Oregon and Washington, Research Paper Number 18. 1957. Pacific Northwest Forest and Range Experiment Station. Portland, Oregon: <a href="https://www.fs.fed.us/pnw/pubs/pnw_os_rp-18.pdf" rel="nofollow">www.fs.fed.us/pnw/pubs/pnw_os_rp-18.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="http://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>

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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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Date Taken in 1958
Source 1958. Abies fraseri top-killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington.
Author R6, State & Private Forestry, Forest Health Protection

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Public domain
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  Nederlands  slovenščina  Tiếng Việt  македонски  русский  українська  日本語  +/−

This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/40957406081 (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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current02:21, 7 May 2018Thumbnail for version as of 02:21, 7 May 20181,267 × 1,970 (343 KB)OceanAtoll (talk | contribs)Transferred from Flickr via #flickr2commons

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