1957. Isolation cage covered with 32-mesh Lumite plastic screen. Cage used for handling introduced shipment of balsam woolly adelgid predators infested with proctotrupid parasite. Sellwood Lab. Portland, Oregon. (32649345773)

Description:

Summary[edit] Description: Isolation cage covered with 32-mesh Lumite plastic screen. Cage used for handling introduced shipment of balsam woolly adelgid predators infested with proctotrupid parasite. Sellwood Lab. Portland, Oregon. Photo by: Peter W. Orr and D.K. Costello Date: July 1957 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1616 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. Date: 1 July 1957, 00:00. Source: 1957. Isolation cage covered with 32-mesh Lumite plastic screen. Cage used for handling introduced shipment of balsam woolly adelgid predators infested with proctotrupid parasite. Sellwood Lab. Portland, Oregon.. Author: R6, State & Private Forestry, Forest Health Protection.