Western Pine Beetle Infestation at Bass Lake - Sierra National Forest, California. "Red and sorrel trees are ponderosa pines killed by barkbeetle epidemic during 1930-1932. Loss of these trees will reduce forest cover on recreational areas such as the above." (caption from BarkBeetle Enemies of California Forests) Photo by: J.M. Miller Date: c.1933 Note: This photo was loose in a hand-colored photo album called BarkBeetle Enemies of California Forests. It is the original image for...
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Caption: Falling an Infested Ponderosa Pine Tree. The undercut shows dark stains in sapwood caused by blue-stain fungi, which develops soon after the western pine beetle attacks the tree. Photo by: J.E. Patterson Date: None recorded Photo and caption from page 23 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the...
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Caption: Ponderosa Pine Killed by Western Pine Beetle - Sierra National Forest View of an area of ponderosa pine where an epidemic infestation of the western pine beetle is decimating the stand. The faded and sorrel trees have only recently been attacked one and two years previously and have been abandoned by the beetles. Photo by: J.M. Miller Date: None recorded Photo and caption from page 7 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA...
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Caption: Treating a Ponderosa Pine Tree Infested With Western Pine Beetle - Preparing Tree For Burning The second operation in treating an infested tree is to peel off the infested bark and pile it along the sides of the felled tree. Limbs are also trimmed and piled. Photo by: J.E. Patterson Date: November 1930 Photo and caption from page 24 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in...
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Caption: Control of Western Pine Beetle by Solar Heat During the summer season, broods can be destroyed by spreading infested bark in the sun. When air temperatures are above 85 F., bark so exposed will heat up to 120 F., which is sufficient to kill the insects. Photo by: J.M. Miller Date: None recorded Photo and caption from page 29 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with...
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Caption: Mountain Pine Beetle (Dendroctonus monticolae Hopkins) 1. Adult beetle enlarged about 8 times. 2. Egg galleries, larval mines, and brood in inner bark of sugar pine. A - larva; B - pupa. 3. Infested ponderosa pine with bark removed to show work of sapwood. 4. Infested lodgepole pine showing pitchtubes on outer bark. Photos by: Patterson, Keen, Miller Photo and caption from page 4 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau...
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Caption: Scouting an Infested Area Western Pine Beetle Infestation in Blue Canyon - Sierra National Forest From a lookout point, the spotter counts fading, sorrel, and red trees and notes their location. Photo by: K.A. Salman, J.M. Miller, and J.E. Patterson Date: None recorded Photo and caption from page 19 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief...
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Caption: Treating a Giant Sugar Pine Infested With Mountain Pine Beetle by the Bark-Peeling Method When the burning method is not feasible the broods of this beetle, which develop between the bark and wood, may be destroyed by exposing them to the weather. It is necessary to remove the bark from all sides of the log when using this method. Photo by: Anderson (National Park Service) Date: 1933 Photo and caption from page 28 of a hand-colored photo album called BarkBeetle Enemies of California...
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Caption: How Infested Trees Look From an Airplane - Modoc National Forest Flying about 1,200 feet above this open forest of mature ponderosa pine, the observer photographed a new and active infestation of the western pine beetle. The large group and scattered outlying trees resulted from one attack early in the season. More than twice as many trees were killed on this area during the year. Old snags on the ground show where old infestations thinned this stand. Photo by: F.P. Keen Date: 1927...
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Caption: Top Killing of Ponderosa Pine by Flatheaded Borer Other species of insects are at times associated with Dendroctonus in kiling trees. The pine flatheaded borer (Melanophila spp.) usually attacks first in the upper part of the crown. The lower part of the tree survives until later attack by Dendroctonus or Flatheads follows. Photo by: K.A. Salman Date: 1932 Photo and caption from page 16 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA...
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Caption: Color Changes in Foliage of Beetle Killed Trees Ponderosa pine infested by the western pine beetle A. First phase (fading). Soon after attack the foliage changes from normal green to a yellowish green. B. Second phase (sorrel). As the beetle broods develop the fading phase changes to light yellowish red. C. Third phase (red). By the time the broods have completed development the foliage enters the final red stage which is retained until the dead needles fall. Beetles have usually...
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Caption: Western Pine Beetle (Dendroctonus brevicomis Leconte) 1. Drawing of adult beetle enlarged about 8 times. 2. Full grown larvae in outer bark of ponderosa pine, where they complete feeding and development. 3. Pitch tube on outer surface of bark, where the adult beetle bored into the live tree. Resins pour into the wound when sap layer is reached, and the beetle works these to the surface to keep the entrance open. Adult beetle at right of entrance hole. 4. Egg galleries on the inner...
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This hand-colored image is the title page in a photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the Emergency Educational Program. Berkeley, California. February, 1935. Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Forest Health Protection digital file collection;...
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Caption: Marking a Group of Infested Ponderosa Pine The spotter has blazed 21 trees recently attacked by barkbeetles in a heavy center of infestation. Photo by: J.M. Miller Date: 1924 Photo and caption from page 21 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the Emergency Educational Program. Berkeley, California....
Topics: divisionofforestinsectinvestigations, r6, usda, artist, stateandprivateforestry, westernpinebeetle,...
Caption: Western Pine Beetle Infestation at Bass Lake - Sierra National Forest Red and sorrel trees are ponderosa pines killed by barkbeetle epidemic during 1930-1932. Loss of these trees will reduce forest cover on recreational areas such as the above. Photo by: J.M. Miller Date: None recorded Photo and caption from page 8 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State...
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Caption: Personnel of a Forest Insect Control Camp - Shasta National Forest The crew of an average sized control camp consists of the foreman and assistant, mess (cooks and flunky), spotting crew, treating crews, and truck driver. Mess tent and bunk tents are shown in the background. Van Brewer Wells Camp. Photo by: J.E. Patterson Date: October 1920 Photo and caption from page 18 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of...
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Caption: Sugar Pines Killed by the Mountain Pine Beetle - General Grant National Park Tree on right is in first stages of attack with upper crown fading and sorrel; tree on left with red foliage is completely killed and has been abandoned to the beetles. Photo by: J.M. Miller Date: September 1932 Photo and caption from page 12 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the...
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Caption: Control of the Western Pine Beetle - Tree Ready for Fire The pile of limbs and brush at the top is already fired and the men are starting other fires along the peeled log. The cleared trench in the foreground is the fire line which prevents the control fires from spreading to the surrounding forest. Note: Probably Al Wagner pictured. Photo by: K.A. Salman Date: May 1930 Photo and caption from page 25 of a hand-colored photo album called BarkBeetle Enemies of California Forests....
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Caption: This Stand of Timber Will Never See the Sawmill An area in the Modoc National Forest showing the accumulated loss of ponderosa pine killed by the western pine beetle during a period of ten years. Photo by: J.M. Miller Date: September 1934 Photo and caption from page 11 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project...
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Caption: Marking an Infested Tree The spotter was first directed to the tree by off color condition of foliage. Holes made by woodpecker when feeding on insects in bark also indicate that tree is infested. Work of barkbeetles is uncovered by removing section of bark. To mark the tree for the control crew, it is blazed on sapwood, numbered, measured, mapped and records made on form. Photo by: J.M. Miller and J.E. Patterson Date: None recorded Photo and caption from page 20 of a hand-colored...
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Caption: Lodgepole Pine Killed by Mountain Pine Beetle - Tenaya Basin, Yosemite National Park These trees first weakened by a needle miner, were later killed by the barkbeetle. The green trees in the background are mountain hemlock and red fir, both immune to the insects. Photo by: J.E. Patterson Date: 1923 Photo and caption from page 14 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation...
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Caption: Lodgepole Pine Killed by Mountain Pine Beetle - Tenaya Basin, Yosemite National Park These trees first weakened by a needle miner, were later killed by the barkbeetle. Photo by: J.M. Miller Date: August 6, 1924 Photo and caption from page 13 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the Emergency...
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Page 2 of a hand-colored photo album called called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the Emergency Educational Program. Berkeley, California. February, 1935. Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Forest Health Protection digital file collection; Region 6...
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How Barkbeetle Outbreaks May Be Controlled in Pine Forests Utilization Direct Control Methods Burning Peeling Solar Heat Page 17 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in cooperation with the State Emergency Relief Administration - Project 3F-2-302 and the Emergency Educational Program. Berkeley, California. February, 1935. Credit: USDA Forest Service, Pacific Northwest Region, State and...
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Caption: Group attack on Ponderosa Pines by Pine Engraver Beetles (Ips, spp.) These insects resemble Dendroctonus but usually occur only sporadically in infested areas. Their common habit is to kill only the tops of the larger trees which survive unless followed by Dendroctonus. Photo by: K.A. Salman Date: 1933 Photo and caption from page 15 of a hand-colored photo album called BarkBeetle Enemies of California Forests. Prepared by the USDA Bureau of Entomology and Plant Quarantine in...
Topics: divisionofforestinsectinvestigations, r6, usda, artist, stateandprivateforestry, handcolored,...
