File:1914. Type of muslin sack cage placed in field at phenological stations to obtain period of emergence of cone insects at different elevations. The infested cones were placed in the sack. Ashland, Oregon. (38166370216).jpg

Type of muslin sack cage placed in field at phenological stations to obtain period of emergence of cone insects at different elevations. The infested cones were placed in the sack. Bureau of Entomology Field Station. Ashland, Oregon.

Photo by: J.E. Patterson Date: May 1914

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2242

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>

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 ∙ +/−