File:1957. Aphidoletes thompsoni Mohn. Male adult of balsam woolly adelgid predator introduced from Slovakia. Sellwood Lab. Portland, Oregon. (34737820010).jpg

Diptera Itonididae Aphidoletes thompsoni Mohn. Male adult of balsam woolly adelgid (Chermes) predator, introduced from Slovakia. Sellwood Lab. Portland, Oregon.

Note: Taxonomy is from 1957 documentation.

Photo by: Peter W. Orr Date: 1957

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1622

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 historical 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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