File:1957. Plastic mesh cage for release of European dipterous predator (Aphidoletes thompsoni) of the balsam woolly aphid on Pacific silver fir. Black Rock, Oregon. (33080319020).jpg

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32 mesh plastic screen cage for release of European dipterous predator (Aphidoletes thompsoni) of the balsam woolly aphid on Pacific silver fir. Black Rock, Oregon.

Photo by: Ken H. Wright Date: July 1957

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1627

To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.

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>
Date Taken in July 1957
Source 1957. Plastic mesh cage for release of European dipterous predator (Aphidoletes thompsoni) of the balsam woolly aphid on Pacific silver fir. Black Rock, Oregon.
Author R6, State & Private Forestry, Forest Health Protection

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Public domain
This image is a work of the Forest Service of the United States Department of Agriculture. As a work of the U.S. federal government, the image is in the public domain.
This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/33080319020 (archive). It was reviewed on 3 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

3 May 2018

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current23:49, 3 May 2018Thumbnail for version as of 23:49, 3 May 20181,037 × 1,379 (299 KB)MechQuester (talk | contribs)Transferred from Flickr via #flickr2commons

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