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• 1. [Article] Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Title: Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Close

• 2. [Article] Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana

  An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned stands of lodgepole pine, Pinus contorta var./atifblia Engelm. in the Moose Creek drainage. Although damages caused by M. gentilis are relatively uncommon in Region 1 forests, the current problem has existed since 1965 (Fellin 1973). An evaluation of the infestation was made August 14, 1974. Title: Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned stands of lodgepole pine, Pinus contorta var./atifblia Engelm. in the Moose Creek drainage. Although damages caused by M. gentilis are relatively uncommon in Region 1 forests, the current problem has existed since 1965 (Fellin 1973). An evaluation of the infestation was made August 14, 1974. Close

• 3. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., McGregor, Mark D. Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., McGregor, Mark D. Close

• 4. [Article] Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975

  Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975 Author: McGregor, Mark D., Shipe, Tilford C., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 board feet has occurred from 1972 to 1974. Buildup ratio was 1:1.2 from 1972 to 1973, and 1:1.8 from 1973 to 1974. Losses are expected to increase in 1975. Commercial thinning is recommended in unthinned stands. Title: Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975 Author: McGregor, Mark D., Shipe, Tilford C., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 board feet has occurred from 1972 to 1974. Buildup ratio was 1:1.2 from 1972 to 1973, and 1:1.8 from 1973 to 1974. Losses are expected to increase in 1975. Commercial thinning is recommended in unthinned stands. Close

• 5. [Article] Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981

  Citation × Citation Citation Abstract Copy Title: Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Title: Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Close

• 6. [Article] Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report

  Citation × Citation Citation Abstract Copy Title: Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Title: Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Close

• 7. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Close

• 8. [Article] Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974

  An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. This report was received in early January 1974. An evaluation of the infestation was made April 18, 1974. Title: Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. This report was received in early January 1974. An evaluation of the infestation was made April 18, 1974. Close

• 9. [Article] A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana

  This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to ...

  Citation × Citation Citation Abstract Copy Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Close

• 10. [Article] Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976

  Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify in areas of current infestation and develop in uninfested stands. It is predicted that 1,722,288 trees will be killed in 1977. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify in areas of current infestation and develop in uninfested stands. It is predicted that 1,722,288 trees will be killed in 1977. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Close