Research forest entomologist Dr. Russ G. Mitchell. Sellwood Lab. Portland, Oregon. Photo by: Wally C. Guy Date: May 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2987 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,...
Topics: ps2987, foresthealthprotection, usda, forest service, stateandprivateforestry, Forest Entomology,...
Val Carolin. European pine shoot moth. Photo by: Unknown Date: October 1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP slide collection; Region Office; Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: forestentologist, foresthealthprotection, valmcarolin, usda, stateandprivateforestry, Forest...
Scientists of Research Work Unit (RWU) 2201 at entrance to PNW Forestry Sciences Lab, Corvallis, Oregon. Left to right: Richard R. Mason; Roger B. Ryan; Roy C. Beckwith; Torolf R. Torgersen; Russel G. Mitchell; Boyd E. Wickman (project leader). Photo by: H.G. Paul Date: 1975 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-6019 To learn more about this photo...
Topics: usda, 1975, russelgmitchell, usfs, forestservice, researchentomologist, rogerbryan, forest service,...
G.M. Thomas examining Ips brood for disease organisms. John Day, Oregon. Photo by: G.M. Thomas 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-1682 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...
Topics: 1957, disease, foresthealthprotection, pacificnorthwestregion, usda, stateandprivateforestry, Pine...
Research entomologist Russ G. Mitchell collecting strawberry root weevil at Beaver Creek Seed Orchard. Siuslaw National Forest, Oregon. Photo by: Peter W. Orr Date: June 1966 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection:...
Topics: strawberryrootweevil, russmitchell, foresthealthprotection, usda, peterworr,...
Val M. Carolin looking for western hemlock loopers. Sellwood Lab. Portland, Oregon. Photo by: R.G. Mitchell Date: May 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2983 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,...
Topics: forest service, foresthealthprotection, valmcarolin, usda, stateandprivateforestry, Forest...
Research entomologist Russ Mitchell trapping Douglas-fir tussock moth near Enterprise, Oregon. Photo by: Unknown Date: 1974 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Forest Health Protection slide collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: russmitchell, foresthealthprotection, usda, defoliator, stateandprivateforestry, Forest Entomology,...
Entomologist Charles Sartwell with slash used for time-of-felling studies. Wildhorse Creek. Fremont National Forest, Oregon. Photo by: Ken H. Wright Date: August 1962 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3036 For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: fremontnationalforest, usda, stateandprivateforestry, timeoffelling, forest service,...
Research forest entomologist Dr. Russ G. Mitchell. Sellwood Lab. Portland, Oregon. Photo by: Wally C. Guy Date: May 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2986 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,...
Topics: usda, stateandprivateforestry, sellwoodlab, ps2986, rgmitchell, usfs, forestservice,...
Research Entomologist, Boyd E. Wickman. Project Leader, RWU-2201. Pacific Northwest Forestry Sciences Lab, Corvallis, Oregon. Note: Boyd Wickman has written extensively about the history of forest entomology and forest entomologists in the Pacific Northwest. Photo by: Unknown Date: June 1967 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-6020 To learn more about...
Topics: usda, stateandprivateforestry, june1967, forestscienceslab, usfs, usforestservice, forestservice,...
Entomologist Charles Sartwell. Ips oregonis studies at Pringle Falls Experimental Forest. La Pine, Oregon. Photo by: Ken H. Wright Date: August 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2868 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...
Topics: usda, stateandprivateforestry, study, foresthealth, forest service, usfs, forestservice,...
Entomologist Robert L. Furniss in the office at 809 NE 6th Avenue. Pacific Northwest Forest and Range Experiment Station. Portland, Oregon. Photo by: Wally C. Guy Date: 1960 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3233 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of...
Topics: r6, usda, stateandprivateforestry, region6, forest service, usfs, forestservice, forestentomology,...
Scientists and staff of Research Work Unit (RWU) 2201 at entrance to PNW Forestry Sciences Lab, 1700 Jefferson Way, Corvallis, Oregon. Left to right: Richard R. Mason; R.W. Mortensen (tech.); Roger B. Ryan; Marilyn Thompson Daterman (secretary); unknown person in rear; Roy C. Beckwith; Ron Wiggins (tech.); Russ Mitchell; Torolf R. Torgersen; H. Gene Paul (tech.); Boyd E. Wickman (project leader). Photo by: Sue Golub Date: 1975 Credit: USDA Forest Service, Pacific Northwest Region, State and...
Topics: usda, 1975, suegolub, usfs, forestservice, researchentomologist, rwmortensen,...
H. Gene Paul, increment-boring ponderosa pine no.06 at Soap Spring, Wenaha-Tucannon for "Effects of defoliation study." Umatilla National Forest. Photo by: Boyd Wickman Date: September 1990 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-6015 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work...
Topics: 1990, r6, usda, stateandprivateforestry, umatillanationalforest, region6, soapspring,...
Orgyia pseudotsugata egg masses being tied to branches of fir trees. These egg masses were used as traps for Douglas-fir tussock moth egg parasite work. Predator information was also obtained. T.R. Torgersen in photograph. Photo by: H.G. Paul Date: November 1978 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-4446 Image provided by USDA Forest Service, Pacific...
Topics: r6, usda, 1978, stateandprivateforestry, tree, parasite, trtorgersen, region6, eggmass, usfs,...
Torolf "Torgy" R. Torgersen, Research Entomologist (left) and H. Gene Paul, Forestry Technician (right) at Bally Mountain log-sampling study plot. Starkey Experimental Forest, Wallowa-Whitman National Forest. Union County, Oregon. Note: Torolf "Torgy" Torgersen managed the effort to digitize and document the Bureau of Entomology and Portland Station photo collections in La Grande, Oregon. Photo by: Patricia Johnson Date: September 1999 Credit: USDA Forest Service, Pacific...
Topics: usda, stateandprivateforestry, 1999, patriciajohnson, logsampling, forestentomology, usfs,...
Orgyia pseudotsugata egg masses being tied to branches of fir trees. These egg masses were used as traps for Douglas-fir tussock moth egg parasite work. Predator information was also obtained. T.R. Torgersen in photograph. Photo by: H.G. Paul Date: November 1978 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-4444 Image provided by USDA Forest Service, Pacific...
Topics: defoliation, r6, usda, 1978, stateandprivateforestry, parasite, trtorgersen, region6, eggmass,...
Ken Wright with top of Sitka spruce, showing terminal bud killed by Epinotia hopkinsana. Note laterals fighting for dominance. Cannon Beach, Oregon. Photo by: Wally C. Guy Date: August 1, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2919 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference...
Topics: usda, stateandprivateforestry, treedamage, foresthealth, region6, cannonbeach, sitkaspruce, usfs,...
Insect ecologist Richard Mason constructing a platform. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: R. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control print collection; Regional Office, Portland, Oregon. For more, see: Mason, Richard R. 1970. Controlled...
Topics: aerialspray, divisionoftimbermanagement, stateandprivateforestry, insectanddiseasecontrol, hemlock,...
Batchudur Bat-Amgalan (right), Research Entomologist at the Institute of Geography and Geoecology, Mongolian Academy of Sciences, and Karen Ripley, Forest Entomologist with the USDA Forest Service. Dr. Batchudur is a co-author of Common Insects of Mongolia, © 2016. ISBM 978-89-6811-258-4 93490. Erdenet, Bulgan, Mongolia. Photo and caption provided by forest entomologist Karen Ripley. In June, 2017, she made a rapid assessment of Mongolia’s forest health surveys, site prioritization, and pest...
Topics: r6, usda, stateandprivateforestry, foresthealth, internationalactivities, region6,...
Research forest entomologist Russ Mitchell collecting hemlock looper larvae. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: R. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Portland Station Collection; La Grande, Oregon. Image: PS-6044B For more about this project see: Mason, Richard R. 1970....
Topics: mtbakernationalforest, divisionoftimbermanagement, aerialspray, insectanddiseasecontrol, hemlock,...
Forest entomologist Paul E. Buffam making population counts of Chermes (Balsam woolly adelgid). Microscope is held by a tripod. Willamette Pass, Oregon. Photo by: R.G. Mitchell Date: September 1958 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2084 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: chermespiceae, r6, usda, stateandprivateforestry, Balsam Woolly Adelgid, balsamwoollyadelgid,...
Forest entomologist Russ Mitchell (left) removing plastic from control platform, post-spray. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Note: Possibly Jack Mounts on the right. Photo by: R. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control print collection; Regional...
Topics: aerialspray, divisionoftimbermanagement, stateandprivateforestry, insectanddiseasecontrol, hemlock,...
Dick Mason sampling Douglas fir tussock moth populations on Abies concolor. "Hammock" is placed under and then wrapped around branch to keep larvae from falling. Branch is then cut off and packaged foliage taken to ground for examination. Corral Creek Area. Modoc National Forest, California. Photo by: Ken H. Wright Date: August 26, 1966 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection;...
Topics: usda, stateandprivateforestry, tree, ps3364, collect, abiesconcolor, usfs, sample,...
Mature larva of brown day moth with characteristic rosettes of spines. Shown on bitterbrush. Collected in Frenchglen, Oregon by Robert L. Furniss; photo taken at Sellwood Lab in Portland, Oregon. Photo by: Wally C. Guy Date: August 1967 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3278 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R....
Topics: r6, usda, stateandprivateforestry, sellwoodlab, browndaymoth, spines, Forest Insects, mature,...
Forest entomologist Russ Mitchell (right) removing plastic from control platform, post-spray. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Note: Possibly Jack Mounts on the left. Photo by: R. DeWitz Date: July 10, 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control print collection; Regional...
Topics: aerialspray, divisionoftimbermanagement, stateandprivateforestry, insectanddiseasecontrol, hemlock,...
Epinotis hopkinsana damage to Sitka spruce terminal. Bud was killed after growing about 2.5 inches; laterals are competing for dominance. This damage is often mistaken for that of Pissodes sitchensis. Ken H. Wright in tree. Cannon Beach, Oregon. Photo by: Wally C. Guy Date: August 1, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2939 For additional historic...
Topics: r6, usda, stateandprivateforestry, epinotishopkinsana, tree, region6, cannonbeach, sitkaspruce,...
32 mesh plastic screen cage for release of European dipterous predator (Aphidoletes thompsoni) of the balsam woolly aphid on Pacific silver fir. Black Rock, Oregon. Photo by: Ken H. Wright 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-1627 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002....
Topics: usda, stateandprivateforestry, ps1627, july1957, balsamwoollyadelgid, foresthealth, forest service,...
Research entomologist Ken Wright in a 33-year-old Sitka spruce plantation being studied for weevil damage trends. Youngs River area, Clatsop County, Oregon. Photo by: Wally C. Guy Date: August 1, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2933 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work...
Topics: forest, r6, usda, stateandprivateforestry, region6, A Pulaski, forest service, usfs, ps2933,...
Ken Wright with 18-20 year old spruce-hemlock natural forest being studied for growth characteristics by Crown-Zellerbach. Stand has been thinned. Weevil activity will be recorded on the C-Z plots. Photo by: Wally C. Guy Date: August 1, 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2934 For additional historical forest entomology photos, stories, and...
Topics: r6, usda, stateandprivateforestry, study, hemlock, Thinning, crownzellerbach, stand, region6,...