Dendroctonus brevicomis (western pine beetle) damage. Klamath River Canyon infestation. Panchromatic K2. Photo by: F.P. Keen Date: July 1927 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology, F.P. Keen Collection; La Grande, Oregon. Image: FPK-347 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Ponderosa pine logs attacked on sides and bottoms by Dendroctonus brevicomis. Klamath Falls, Oregon. Photo by: J.A. Beal Date: August 1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6844 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Burning to treat Dendroctonus brevicomis. Devil's Garden Extention area. Modoc National Forest, California. Note: Probably Al Wagner pictured. Photo by: K.A. Salman Date: May 19, 1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-7330 A hand-colored version of this image is available here: www.flickr.com/photos/151887236@N05/36955227110/in/datepo... To learn...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, region6, barkbeetle,...
James A. Beal with climbing spurs and rope, removing bark from Dendroctonus brevicomis (western pine beetle) infested tree for determination of emergence. Sisters, Oregon. Photo by: James A. Beal and John M. Whiteside Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-86 For further information see: Miller, J.M. and F.P. Keen. 1960. Biology and Control...
Topics: r6, treeclimbing, usda, stateandprivateforestry, climbingspurs, westernpinebeetle, climbingrope,...
Western pine beetle (Dendroctonus brevicomis) damage. Airplane view (vertical) of Brown's Well plot. T44N, R8E, Sec. 30. Elevation 2,000 feet. Control project. Modoc National Forest, California. Photo by: F.P. Keen Date: October 1927 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6535 To learn more about this photo collection see: Wickman, B.E., Torgersen,...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Dendroctonus brevicomis work on the surface of sapwood. Photo by: F.P. Keen Date: October 1926 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology, F.P. Keen Collection; La Grande, Oregon. Image: FPK-269 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: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle, axe,...
1936 map showing distribution of Dendroctonus brevicomis and Dendroctonus barberi in relation to average annual minimum temperature. Map by: R.L. Furniss Date: 1936 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8829 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Western pine beetle (Dendroctonus brevicomis) damage. Airplane view (vertical) of Timber Mt. plot. Elevation 2,000 feet. Control project. Modoc National Forest, California. Photo by: F.P. Keen Date: October 1927 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6540 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M....
Topics: r5, divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Burning for western pine beetle control. Klamath Indian Reservation. Photo by: F.P. Keen Date: c.1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8744 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....
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Dendroctonus valens; Magdalis lecontei; Dendroctonus brevicomis; and Vespamima sequoiae. Note: Taxonomy is from c.1927 documentation. Photo by: Walter J. Buckhorn Date: c.1927 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collections; La Grande, Oregon. Image: BUR-6567 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, bur6567, Forest Insects,...
Nineteen-foot insect tree cage for induced attack and emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. Photo by: K.A. Salman Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-7561B To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, region6,...
Ponderosa pine killed by the western pine beetle. Fremont National Forest. Bly, Oregon. Photo by: W.D. Bedard Date: September 1, 1942 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2661 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...
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, tree, bly, foresthealth, region6, ps2661,...
Drawing shows some western bark beetles injurious to native and planted trees used for ornamental and recreational purposes. Artist: Unknown Photo by: Unknown Date: c.1934 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8485 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, Douglas-fir Beetle, drawing, region6, art,...
Toothpick method of counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. Photo by: Beal and Whiteside Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-83 Note: "The number of ventilating holes per attack and per square foot of bark has been given attention in bark counts largely for the purposes of separating...
Topics: r6, usda, stateandprivateforestry, whiteside, westernpinebeetle, barkcount, region6,...
Five-foot insect tree cage for emergence collection. Dendroctonus brevicomis. Modoc National Forest, California. Photo by: K.A. Salman Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-7561A 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Ponderosa pine right-of-way logs heavily attacked by Dendroctonus brevicomis. Klamath Falls, Oregon. Photo by: J.A. Beal Date: July 1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6877 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, logging, region6, oregon,...
Three relative degrees of Dendroctonus brevicomis attack; heavy, medium, and light on ponderosa pine. Photo by: K.A. Salman Date: March 19, 1934 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Source: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8572 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: wfiwc.org/content/history-and-resources...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, foresthealth, region6,...
Logging ponderosa pine to control Dendroctonus brevicomis. Klamath Falls, Oregon. Photo by: J.A. Beal Date: July 1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6857 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: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Graphisurus spectabilis Lec.; Melanophila gentilis Lec.; Dendroctonus valens Lec.; Vespamima sequoiae Hy.Edw; Temnochila virescens Fabr.; Dendroctonus brevicomis Lec. Note: Taxonomy is from c.1926 documentation. Photo by: F.P. Keen Date: c.1926 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collections; La Grande, Oregon. Image: BUR-6222 To learn more about this photo collection see: Wickman, B.E.,...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, temnochilavirescens,...
F.Paul Keen inside Dendroctonus brevicomis (western pine beetle) insect study cage used to force beetles to attack a green log. The upper log is infested with bark beetles. Near Ashland, Oregon. Photo by: J.M. Miller Date: 1916 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2268 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and...
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, usfs, ashland, region6, barkbeetle, usda,...
Peeling infested ponderosa pine to burn. Area 2. Southern Oregon Northern California (SONC) cooperative western pine beetle control project. Photo by: F.P. Keen Date: c.1922 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology, F.P. Keen Collection; La Grande, Oregon. Image: FPK-75 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle, usfs,...
Peeling Dendroctonus brevicomis (western pine beetle) tree preparatory to burning. Fremont National Forest, Oregon. Photo by: W.D. Bedard Date: November 14, 1940 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-465 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...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6,...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-281 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Toothpick method for counting Dendroctonus brevicomis (western pine beetle) emergence holes. Sisters, Oregon. Photo by: J.A. Beal and J.M. Whiteside Date: June 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-85 Note: "The number of ventilating holes per attack and per square foot of bark has been given attention in bark counts largely for the purposes of...
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, region6, pnw, ventilatinghole, exithole,...
Walter J. Buckhorn examines field cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. Photo by: F.P. Keen Date: May 1932 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology, Portland Station Collection; La Grande, Oregon. Image: PS-125 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: broodtree, r6, usda, stateandprivateforestry, prineville, fieldcage, region6, pnw, may1932,...
Western pine beetle (Dendroctonus brevicomis) work on the surface of sapwood. Photo by: F.P. Keen Date: October 1926 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology and F.P. Keen Collections; La Grande, Oregon. Image: FPK-267 and BUR-8867 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, westernpinebeetle, tree, barkbeetle, galleries,...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-278 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Western pine beetle (Dendroctonus brevicomis) adults and work in ponderosa pine (Pinus ponderosa). Photo by: Roaf Date: May 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-287c 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
P. Sergent with ponderosa pine and Dendroctonus brevicomis (western pine beetle) insect study cage. Muslin cage was used to force beetles to attack freshly-cut yellow pine log. Sections of infested logs were placed inside the cage alongside sections of green logs. Near Ashland, Oregon. Photo by: J.M. Miller Date: June 1916 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon....
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, psergent, usfs, ashland, region6, barkbeetle,...
Western pine beetle (Dendroctonus brevicomis) damage. Airplane view (vertical) of Badger Well plot. Elevation 2,000 feet. Control project. Modoc National Forest, California. Photo by: F.P. Keen Date: October 1927 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6538 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M....
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, treedamage,...
Ground cage on ponderosa pine Dendroctonus brevicomis Lec. brood trees. Prineville, Oregon. Photo by: F.P. Keen Date: May 27, 1932 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: PS-126 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...
Topics: broodtree, divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, groundcage,...
Peeling ponderosa pine bark in preparation for burning to control western pine beetle (Dendroctonus brevicomis). This is the second operation in treating an infested tree. The infested bark is peeled off and piled along the sides of the felled tree. Limbs are also trimmed and piled. Blacks Mountain. Lassen National Forest, California. Photo by: J.E. Patterson Date: November 8, 1930 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection....
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, emergencyeducationalprogram, bur8658,...
Stagnated ponderosa pine stand. This is a large even-age stand that resulted from a devastating pine butterfly kill in the 1890s. Cedar Valley, Yakima Indian Reservation, Washington. Photo by: Ken H. Wright and R.G. Mitchell Date: September 1, 1961 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2988 For additional historic forest entomology photos, stories, and...
Topics: r6, usda, stateandprivateforestry, stand, region6, pinebutterfly, ps2988, rgmitchell, stagnated,...
Screened cage used in artificially attracting Dendroctonus brevicomis to healthy ponderosa pine tree. Jenny Creek, Oregon. Photo by: John E. Patterson Date: August 1922 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2336 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: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle, tree,...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-272 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Peeling ponderosa pine for control western pine beetle. Area 2. Southern Oregon Northern California cooperative control project. Photo by: F.P. Keen Date: May 1923 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-3223 and FPK-9 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: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Western pine beetle (Dendroctonus brevicomis) full grown larva in pupal cell in bark of ponderosa pine tree. Warm Springs Reservation, Oregon. Photo by: R.B. Pope Date: November 1955 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-1281 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and...
Topics: r6, usda, stateandprivateforestry, westernpinebeetle, tree, foresthealth, Forest Insects, region6,...
Deck of medium-sized (assume: Dendroctonus brevicomis affected) logs for burning. Fremont National Forest, Oregon. Photo by: Bedard Date: November 14, 1940 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-466 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...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6,...
Cages on ponderosa pine Dendroctonus brevicomis Lec. brood trees. B-3 Ochoco experimental area. Prineville, Oregon. Photo by: F.P. Keen Date: May 27, 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-8862 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...
Topics: broodtree, divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry,...
Felling ponderosa pine. Control of western pine beetle. Jenny Creek, Oregon. Photo by: J.E. Patterson Date: June 1920 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2312 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: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Peeling tree on top side to insure complete burning of bark. This tree killed by Ips emarg. for first 6 logs, and the top 6 logs with a fresh attack of Dendroctonus brevicomis. Southern Oregon Northern California (SONC) cooperative western pine beetle control project. Photo by: F.P. Keen Date: May 1922 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-3207 and...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, barkpeeling,...
Galleries in a 70-year-old ponderosa pine killed by Dendroctonus brevicomis. Killed tree is in an even-age stand that resulted from a devastating pine butterfly kill in the 1890s. Cedar Valley, Yakima Indian Reservation, Washington. Photo by: Ken H. Wright Date: September 1, 1961 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-2991 For additional historic forest...
Topics: r6, usda, stateandprivateforestry, tree, region6, pinebutterfly, cedarvalley, Egg Galleries and...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-275 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Map showing areas sampled for Dendroctonus brevicomis winter mortality in the ponderosa pine type in Washington, Oregon, and California. Photo by: Al Ransford Date: December 1932 and February 1933 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-8830 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002....
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, usda, lightkill,...
Drawing shows the brood stages, work, and life history of the western pine beetle, Dendroctonus brevicomis Lec. Artist: de Young Photo by: Unknown Date: 1934 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-6867 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...
Topics: divisionofforestinsectinvestigations, r6, usda, stateandprivateforestry, westernpinebeetle,...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-276 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Spraying felled ponderosa pine trees to control bark beetle infestation (Dendroctonus brevicomis). Where economically possible, salvage logging is done to remove the insect infested trees. Insecticide used is a 1.5% solution of Lindane in diesel fuel. Lindane is a residual insect killer. McCloud Ranger District, Shasta National Forest, California. Photo by: Leland J. Prater Date: July 28, 1961 Credit: National Archives and Records Administration RG# 95-GP.Records of the Forest Service .General...
Topics: july281961, lindane, usda, stateandprivateforestry, barkbeetle, insecticide, usda, salvagelogging,...
Treating ponderosa pine infested with Dendroctonus brevicomis on Emergency Conservation Work (ECW) control project. Warm Springs Indian Reservation, Oregon. Photo by: F.P. Keen Date: March 28, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-274 To learn more about this photo collection see: Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda,...
Burning a large yellow pine tree infested with western pine beetle to kill the broods of the beetle. During the spring period of control, asll infested trees were de-barked and the broods were burned. Southern Oregon Northern California (SONC) control project. Photo by: J.E. Patterson Date: June 1922 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-2309 To learn...
Topics: divisionofforestinsectinvestigations, Early Beetle Control Efforts - 1910-1961, r6, usda, june1922,...
Treating ponderosa pine infested with Dendroctonus brevicomis. Jawbone Ranger Station, Stanislaus National Forest, California. Photo by: J.E. Patterson Date: April 2, 1935 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Bureau of Entomology Collection; La Grande, Oregon. Image: BUR-9290 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: usda, stateandprivateforestry, westernpinebeetle, ponder, bur9290, barkbeetle,...