Western Pine Beetle Infestation at Bass Lake - Sierra National Forest, California. "Red and sorrel trees are ponderosa pines killed by barkbeetle epidemic during 1930-1932. Loss of these trees will reduce forest cover on recreational areas such as the above." (caption from BarkBeetle Enemies of California Forests)

Photo by: J.M. Miller Date: Unknown; c.1933

Note: This photo was loose in a hand-colored photo album called BarkBeetle Enemies of California Forests. It is the original image for page 8 in the album located here: <a href="https://www.flickr.com/photos/151887236@N05/37162121716/in/dateposted-public/">www.flickr.com/photos/151887236@N05/37162121716/in/datepo...</a>

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Forest Health Protection digital file collection; Region 6 Regional Office, Portland, Oregon.

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 ∙ +/−