Charles Sartwell using a spotting scope to observe insect activity in an out-of-reach situation. Near Baker, Oregon. Photo by: Ken H. Wright Date: September 1, 1965 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3167 For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: r6, insectactivity, usda, stateandprivateforestry, baker, Specialized Equipment, region6,...
Charles Sartwell with variable angle-gauge for use in estimating stand density by angle-summation method. Bald Mountain, 15 miles NW of Silver Lake, Lake County, Oregon. Photo by: Ken H. Wright Date: October 1966 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Portland Station Collection; La Grande, Oregon. Image: PS-3205 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect...
Topics: r6, usda, stateandprivateforestry, Specialized Equipment, anglesummation, region6, anglegauge,...
Mountain pine beetle infestation about three years old in ponderosa pine stand about 55 years old. Quality of the growing site is lower up the slope, but most of the stand occurs on Site III land. West side of Long Lake, near Klamath Falls, Oregon. Photo by: Charles Sartwell Date: August 3, 1965 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3181 For more...
Topics: r6, usda, longlake, stateandprivateforestry, region6, oregon, mountainpinebeetle,...
Panorama of mountain pine beetle outbreak in upper Ebell Creek. Photo taken from Stump Springs Lookout. Baker District, Wallowa-Whitman National Forest, Oregon. Photo by: Charles Sartwell Date: August 1965 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3201 For more historical forest entomology photos, stories, and resources see the Western Forest Insect Work...
Topics: r6, usda, stateandprivateforestry, region6, ps3201, stumpspringslookout, mountainpinebeetle,...
Stagnated pole stand of ponderosa pine in which losses to mountain pine beetle are increasing. This stand is fairly typical of ponderosa pine age, size, and stocking classes most favorable to mountain pine beetle activity. Lookout Mountain, 12 miles NW of La Pine, Oregon. Charles Sartwell pictured. 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...
Topics: r6, usda, stateandprivateforestry, treedamage, lookoutmountain, region6, forest service, ps2883,...
A moderate infestation of mountain pine beetle in a ponderosa pine stand 60 years old. Camus Land, near Cashmere, Washington. Photo by: Charles Sartwell Date: July 1965 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3182 For more historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: dendroctonus, r6, camusland, usda, stateandprivateforestry, cashmere, region6, ps3182,...
Ips pini. Elytra of a female (upper) and a male (lower). Portland, Oregon. Photo by: Charles Sartwell Date: October 1964 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Portland Station Collection; La Grande, Oregon Image: PS-3174 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: r6, usda, stateandprivateforestry, Forest Insects, male, elytra, region6, ipspini, usfs,...
Six of the seven participants in the second PNW-INT Bark Beetle Research meeting. P.H. Johnson, INT; Walter Cole, INT; Richard Schmitz, INT; Malcolm Furniss, INT; Charles Sartwell, PNW; Ronald Billings, PNW. Ken H. Wright, PNW, was the seventh participant and the photographer. Photo taken near Baker, Oregon. Photo by: Ken H. Wright Date: September 1, 1965 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station...
Topics: usda, stateandprivateforestry, baker, waltercole, mmfurniss, malcolmfurniss, usfs, forestservice,...
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,...
Charles Sartwell with variable angle gauge used to estimate stand density by the angle-summation method. Elk Creek, 5 miles SW of Baker, Oregon. Photo by: R.G. Mitchell Date: October 1966 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Portland Station Collection; La Grande, Oregon. Image: PS-3206 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: usda, stateandprivateforestry, baker, october, anglesummation, variableanglegauge, ps3206,...
Entomologist Charles Sartwell examining ponderosa pine on which 10 forced attacks were made by placing single beetles in a hole in the bark, covering the hole with a piece of "Lucite" screen, and then tacking screen down with a rectangle of 4 staples. Pringle Falls Field Station, 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;...
Topics: r6, usda, stateandprivateforestry, foresthealth, region6, forest service, barkbeetle,...
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 Charles Sartwell collecting Ips oregonis from corrugated paper rearing cage. Note vent next to emergence jar. Pringle Falls Field Station, La Pine, Oregon. Photo by: Ken H. Wright Date: 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2867 To learn more about this photo collection (as documented by Torgersen and Wickman) see: Wickman, B.E.,...
Topics: usda, stateandprivateforestry, forest service, pringlefallsfieldstation, usfs, forestservice,...
Entomologist Charles Sartwell examining Ips oregonis galleries on inner surface of bark section taken about breast height on a ponderosa pine cull log approximately 30" DBH. At the time of removal of bark section, Ips brood was mostly in the third and fourth instars. Pringle Falls Field Station, 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...
Topics: usda, stateandprivateforestry, forest service, Egg Galleries and Larval Mines, usfs, forestservice,...
The building used as a field laboratory by Charles Sartwell during 1963 for Ips oregonis studies at Pringle Falls Experimental Forest. La Pine, Oregon. Photo by: Ken H. Wright Date: July 1963 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3164 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images...
Topics: building, usda, stateandprivateforestry, research, fieldlaboratory, forest service, Buildings,...
Charles Sartwell and the rearing setup for 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-2870 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: usda, stateandprivateforestry, khwright, Buildings, pringlefallsfieldstation, usfs, ps2870,...
Research entomologist Charles Sartwell examining a ponderosa pine killed by mountain pine beetle. Lookout Mountain, near La Pine, Oregon. Photo by: Ken H. Wright Date: August 1964 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon Image: PS-3179 For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: usda, stateandprivateforestry, treedamage, forest service, mountainpinebeetle, galleries, usfs,...
