1932. Drawing shows the life history of the irregular pine scale Toumeyella pinocola Ferris. (33344445790)

Description:

Description: Drawing shows the life history of the irregular pine scale Toumeyella pinocola Ferris. Artist: Unknown Photo by: P.C. Johnson Date: April 2, 1932 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8480 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: wfiwc.org/content/history-and-resources Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth. Date: 2 April 1932, 11:11. Source: 1932. Drawing shows the life history of the irregular pine scale Toumeyella pinocola Ferris.. Author: R6, State & Private Forestry, Forest Health Protection.