David Mccomb laying string line. Lyle Springs Camp, Mountain Pine Beetle Control project. Photo by: Lowell J. Farmer Date: May 29, 1950 Credit: National Archives and Records Administration RG# 95-GP Records of the Forest Service General Subject Files Forest Service Negative Number: 478376 NARA Image: 95-GP-5037-Box0853_018_001_AC For more about Dave "Red" McComb see: wfiwc.org/members/memoriam/david-mccomb For additional historical forest entomology photos, stories, and resources see...
Topics: barkbeetle, mountainpinebeetle, idaho, foresthealthprotection, usda, controlproject, forest...
Adjustable 25 foot fumigation tent frame. Washington State. Photo by: Dave McComb Date: November 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-193 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, European Pine Shoot Moth, stateandprivateforestry, insectanddiseasecontrol, foresthealth,...
Adjusting guy wires on an adjustable fumigation tent frame. Washington State. Photo by: Dave McComb Date: November 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-194 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: guywire, r6, usda, European Pine Shoot Moth, stateandprivateforestry, insectanddiseasecontrol,...
Adjusting guy-wire braces on fumigation tent frame. Washington State. Photo by: Dave McComb Date: November 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-195 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: guywire, r6, usda, European Pine Shoot Moth, stateandprivateforestry, insectanddiseasecontrol,...
Dave McComb checking collections. European pine shoot moth control. Bellevue, Washington. Photo by: Unknown Date: September 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP slide collection; Regional Office; Portland, Oregon. For more, see: Klein, W.H. and R.M. Thompson. 1962. Procedures and equipment for fumigating European pine shoot moth on ornamental pines. USDA Forest Service, Pacific Northwest Forest and Range Experiment...
Topics: epsm, foresthealthprotection, redmccomb, usda, European Pine Shoot Moth, stateandprivateforestry,...
Pickup truck and carrier box used to transport fumigation equipment - side view. Washington State. Photo by: Dave McComb Date: November 1961 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-189 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, European Pine Shoot Moth, stateandprivateforestry, insectanddiseasecontrol, 1970, truck,...
DDT on oil-sensitive spray deposit cards. Western spruce budworm control project. Goldendale, Washington. Photo by: Dave McComb Date: 1962 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Region 6, Forest Health Protection slide collection; Regional Office, Portland, Oregon. For further information about historic western spruce budworm activity and control projects see: Dolph, Robert E. 1980. Budworm activity in Oregon and Washington,...
Topics: aerialspray, r6, usda, aerialapplication, stateandprivateforestry, sprayproject, region6,...
German backpack spray rig. Michigan. Photo by: Dave McComb Date: 1962 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP slide collection; Regional 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: foresthealthprotection, redmccomb, usda, stateandprivateforestry, german, backpack, michigan, 1962,...
Navy torpedo bomber spraying DDT just above the trees. 200 mph; 1 pound of DDT per 1 gallon of fuel oil. Western spruce budworm control. Goldendale, Washington. Photo by: Dave McComb Date: July 2, 1962 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection Collection; Regional Office, Portland, Oregon. For more information about this spray project, see: Orr, Peter W. 1962. Plan for the Technical Direction of...
Topics: defoliation, r6, usda, stateandprivateforestry, region6, goldendale, insecticide, washington, usfs,...
Dave McComb (center). Forest insect and disease training. May 13-15, 1964. Malheur National Forest, Oregon. Photo by: Unknown Date: 1964 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: FHP 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: foresthealthprotection, redmccomb, usda, stateandprivateforestry, training, malheurnationalforest,...
Sellwood Laboratory and storage compound was originally the Portland Railway, Light and Power Company's Sellwood Division Carbarn Office and Carmen's Club. It was later used by USFS forest entomologists and pathologists as a laboratory, insectary, photo lab, storage facility, and shop. Located at: 8825 Southeast 11th Avenue, Portland Oregon. Photo by: David McComb Date: April 1964 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6,...
Topics: usda, sellwooddivision, insectanddiseasecontrol, portlandrailway, fhp, region6, carmensclub,...
Douglas-fir tussock moth egg masses and larvae in rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, eggmass, rearing,...
Douglas-fir tussock moth egg masses and larvae in rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional Office, Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, eggmass, rearing,...
Douglas-fir tussock moth egg masses in rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 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, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: foresthealthprotection, redmccomb, usda, stateandprivateforestry, 1965, rearingcage, Insect Cages...
Douglas-fir tussock moth rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, Forest Insects, region6,...
Douglas-fir tussock moth rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Douglas-fir tussock moth rearing cage. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Douglas-fir tussock moth rearing cages. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Douglas-fir tussock moth rearing cages. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Douglas-fir tussock moth rearing cages. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Douglas-fir tussock moth rearing cages. Sellwood Lab. Portland, Oregon. Photo by: Dave McComb Date: March 1965 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch print collection; Regional 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: r6, usda, stateandprivateforestry, insectanddiseasecontrol, sellwoodlab, region6, rearing,...
Dave McComb with hygrothermograph and shelter used for Douglas-fir tussock moth research. Corral Creek Area. Modoc National Forest, California. Photo by: Ken H. Wright Date: July 26, 1966 Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-3362 For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site:...
Topics: r5, defoliation, r6, usda, stateandprivateforestry, forestinsectresearch, ps3362, region5, region6,...
Pine moth attractant trap prepared by the Insect and Disease Control Branch of the Division of Timber Management, U.S. Forest Service, Region 6. Portland, Oregon. Photo by: Dave McComb Date: 1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Region Office; Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: foresthealthprotection, redmccomb, usda, European Pine Shoot Moth, stateandprivateforestry,...
Pine moth attractant trap prepared by the Insect and Disease Control Branch of the Division of Timber Management, U.S. Forest Service, Region 6. Portland, Oregon. Photo by: Dave McComb Date: 1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Region Office; Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: foresthealthprotection, redmccomb, usda, insecttrap, stateandprivateforestry, davemccomb,...
Pine moth attractant trap prepared by the Insect and Disease Control Branch of the Division of Timber Management, U.S. Forest Service, Region 6. Portland, Oregon. Photo by: Dave McComb Date: 1967 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Collection: Region 6, Forest Health Protection slide collection; Region Office; Portland, Oregon. Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: foresthealthprotection, redmccomb, usda, insecttrap, stateandprivateforestry,...
Larch casebearer (Coleophora laricella). Eastern Washington. Collected by Dave McComb. Photo by: Wally C. Guy Date: 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-656 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, id656, larch, foresthealth, Forest...
Larch casebearer (Coleophora laricella). Eastern Washington. Collected by Dave McComb. Photo by: Wally C. Guy Date: 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-669 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, larch, foresthealth, Forest Insects,...
Larch casebearer (Coleophora laricella). Eastern Washington. Collected by Dave McComb. Photo by: Wally C. Guy Date: 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-659 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, larch, id659, foresthealth, Forest...
Larch casebearer (Coleophora laricella). Eastern Washington. Collected by Dave McComb. Photo by: Wally C. Guy Date: 1968 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-660 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, larch, foresthealth, Forest Insects,...
Dave (Red) McComb. Lewis River Ranger District, Gifford Pinchot National Forest. Photo by: Peter W. Orr Date: September 1969 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, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, usda, peterworr, stateandprivateforestry, hardhat, region6, giffordpinchotnationalforest,...
Dave McComb mixing insecticide. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: Unknown Date: July 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 field test of stabilized...
Topics: defoliation, aerialspray, r6, usda, aerialapplication, stateandprivateforestry,...
L-R: Dave McComb, Peter Orr, and Jack Mounts with helicopter at helispot. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: Robert J. DeWitz Date: July 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...
Topics: defoliation, aerialspray, r6, bobdewitz, usda, aerialapplication, stateandprivateforestry,...
Peter Orr (left) and Dave McComb loading insecticide. Controlled field test of stabilized pyrethrins against the western hemlock looper. Mt. Baker National Forest, near Marblemount, Washington. Photo by: John T. Wortendyke Date: July 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....
Topics: defoliation, mtbakernationalforest, r6, usda, aerialapplication, stateandprivateforestry,...
Pine needle miner from lodgepole pine. Crescent Lake Junction, Oregon. Collected by Dave McComb. Photo by: Wally C. Guy and Dave McComb Date: May 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-679 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection:...
Topics: r6, usda, stateandprivateforestry, insectanddiseasecontrol, needleminer, lodgepolepine,...
Ponderous borer (Ergates spiculatus). Wind River, Washington. Photo by: Wally C. Guy and Dave McComb Date: May 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-695 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, ergatesspiculatus, usda, stateandprivateforestry, insectanddiseasecontrol, foresthealth, Forest...
Ponderous borer (Ergates spiculatus). Wind River, Washington. Photo by: Wally C. Guy and Dave McComb Date: May 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-694 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, ergatesspiculatus, usda, stateandprivateforestry, insectanddiseasecontrol, foresthealth, Forest...
Ponderous borer (Ergates spiculatus). Wind River, Washington. Photo by: Wally C. Guy and Dave McComb Date: May 1969 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Division of Timber Management, Insect and Disease Control Branch Collection; Regional Office, Portland, Oregon. Image: ID-687 Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
Topics: r6, ergatesspiculatus, usda, stateandprivateforestry, insectanddiseasecontrol, foresthealth, Forest...
100 branches, pre-spray. Background foliage. Plot Z4. Douglas-fir tussock moth control. Photo by: Dave McComb Date: June 18, 1973 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: defoliation, r6, usda, stateandprivateforestry, insectanddiseasecontrol, june181973, region6,...
Collecting larvae, pre-spray. Douglas-fir tussock moth control. Photo by: Dave McComb Date: June 18, 1973 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: defoliation, r6, usda, stateandprivateforestry, insectanddiseasecontrol, june181973, region6,...
Douglas-fir tussock moth population sampling. Photo by: Dave McComb Date: June 1973 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: defoliation, Defoliator Control Projects, foresthealthprotection, redmccomb, usda, defoliator,...
Douglas-fir tussock moth population sampling. Photo by: Dave McComb Date: June 1973 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: defoliation, populationsampling, foresthealthprotection, redmccomb, usda, defoliator,...
Douglas-fir tussock moth population sampling. Egg mass in silhouette. Photo by: Dave McComb Date: June 1973 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: populationsampling, foresthealthprotection, redmccomb, usda, stateandprivateforestry, june1973,...
Measuring branch for 18" sample area. Douglas-fir tussock moth population sampling. Photo by: Dave McComb Date: June 1973 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: defoliation, r6, usda, stateandprivateforestry, insectanddiseasecontrol, region6,...
Russ Christensen (left) and Ismael Caballero. Douglas-fir tussock moth population sampling. Photo by: Dave McComb Date: June 1973 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: defoliation, count, usda, stateandprivateforestry, insectanddiseasecontrol, ismaelcaballero,...
Russ Christensen collecting egg masses. Douglas-fir tussock moth nucleopolyhedrosis virus study. Photo by: Dave McComb Date: June 1973 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: nucleopolyhedrosisvirus, defoliation, r6, usda, stateandprivateforestry, study,...
Dave (Red) McComb mapping plots. OR/WA/ID Douglas-fir tussock moth control project. Photo by: Unknown Date: 1974 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 information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho....
Topics: aerialspray, r6, usda, aerialapplication, stateandprivateforestry, insectanddiseasecontrol,...
Dave McComb (right) discussing project. OR/WA/ID Douglas-fir tussock moth control project. Photo by: Unknown Date: 1974 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 information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington,...
Topics: aerialspray, r6, usda, aerialapplication, stateandprivateforestry, insectanddiseasecontrol,...
Dave McComb mapping plots. Douglas-fir tussock moth control project. Photo by: Unknown Date: July 1974 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. For more information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho. Portland, OR: USDA Forest...
Topics: defoliation, Defoliator Control Projects, foresthealthprotection, redmccomb, usda, map,...
Evergreen Bell JetRanger II spray helicopter. Douglas-fir tussock moth control project. Photo by: Dave McComb Date: July 1974 Credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection. Source: Forest Health Protection slide collection; Regional Office, Portland, Oregon. For more information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho. Portland, OR: USDA...
Topics: july1974, aerialspray, r6, usda, stateandprivateforestry, fhp, region6, jetrangerii, bell, usfs,...
Spray helicopter. Douglas-fir tussock moth control project. Photo by: Dave McComb 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. For more information about this project see: Graham, D.A.; J. Mounts; D. Almas. 1975. 1974 Cooperative Douglas-fir tussock moth control project: Oregon, Washington, Idaho. Portland, OR: USDA Forest Service, Pacific Northwest...
Topics: defoliation, aerialspray, r6, usda, stateandprivateforestry, insectanddiseasecontrol, sprayproject,...
