File:1958. Egg of Syrphus opinator a native predator of balsam woolly adelgid. On subalpine fir at Willamette Pass, Oregon. Neg. Mag. X15. (39770172971).jpg

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Egg of Syrphus opinator a native predator of balsam woolly adelgid. On subalpine fir at Willamette Pass, Oregon. Neg. Mag. X15.

Photo by: Russ G. Mitchell 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-2066

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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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. Egg of Syrphus opinator a native predator of balsam woolly adelgid. On subalpine fir at Willamette Pass, Oregon. Neg. Mag. X15.
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@N05/39770172971 (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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current02:12, 7 May 2018Thumbnail for version as of 02:12, 7 May 2018737 × 1,181 (151 KB)OceanAtoll (talk | contribs)Transferred from Flickr via #flickr2commons

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