File:1942. Douglas-fir beetle. Coleoptera. Scolytidae. Dendroctonus pseudotsugae Hopk. (34505280220).jpg

Coleoptera Scolytidae Dendroctonus pseudotsugae Hopk. Douglas-fir beetle. Dorsal view of adult beetle x6.

Note: Taxonomy is from 1942 documentation and may not reflect current classifications.

Photo by: W.D. Bedard Date: February 15, 1942

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-591

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>

Esta imágen o archivo es una obra de un empleado del Departamento de Agricultura de los Estados Unidos, creó durante el curso de los obligaciones oficiales del empleado. Como una obra del Gobierno federal de los Estados Unidos, este imágen es en el dominio público. English ∙ español ∙ Nederlands ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ 日本語 ∙ +/−