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Diseases and pestsStatus of Douglas-fir bark beetle, Madison Ranger District, Beaverhead National Forest, 1982Mark D. McGregor

Status of Douglas-fir bark beetle, Madison Ranger District, Beaverhead National Forest, 1982

Mark D. McGregor · USDA Forest Service, Northern Region, Cooperative Forestry & Pest Management

Sayfa sayısı yok · 1983

Control / Bark beetles / Douglas fir / Diseases and pests

Diseases and pestsEvaluation of Douglas-fir mortality from Douglas-fir beetle from 1982 through 1984 following MCH applicationMark D. McGregor

Evaluation of Douglas-fir mortality from Douglas-fir beetle from 1982 through 1984 following MCH application

Mark D. McGregor · USDA Forest Service, Northern Region

Sayfa sayısı yok · 1985

Control / Douglas fir / Douglas fir beetle / Diseases and pests

Pinyon sawfly, Neodiprion edulicolus Ross

Mark D. McGregor · U.S. Govt. Print. Off.]

Sayfa sayısı yok · 1969

Neodiprion edulicolus / Pinus monophylla / Pinus edulis

Bark beetlesStatus of bark beetle populations in windthrow Flathead National Forest, Montana, 1976Mark D. McGregor

Status of bark beetle populations in windthrow Flathead National Forest, Montana, 1976

Mark D. McGregor · Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1976

Bark beetles

Diseases and pestsStatus of mountain pine beetle infestations, Kootenai National Forest, Montana, 1977Mark D. McGregor

Status of mountain pine beetle infestations, Kootenai National Forest, Montana, 1977

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

12 sayfa · 1978

Lodgepole pine / Mountain pine beetle / Diseases and pests

Mountain pine beetleEvaluation of a mountain pine beetle infestation, Shook Mountain, Sula District, Bitterroot National Forest, 1977Mark D. McGregor

Evaluation of a mountain pine beetle infestation, Shook Mountain, Sula District, Bitterroot National Forest, 1977

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1977

Diseases and pests / Lodgepole pine / Ponderosa pine / Mountain pine beetle

Diseases and pestsStatus of mountain pine beetle infestation, Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977Mark D. McGregor

Status of mountain pine beetle infestation, Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

11 sayfa · 1978

Lodgepole pine / Mountain pine beetle / Diseases and pests

Diseases and pestsA demonstration of lodgepole pine management to prevent mountain pine beetle outbreaks, Yaak and Thompson River drainagesMark D. McGregor

A demonstration of lodgepole pine management to prevent mountain pine beetle outbreaks, Yaak and Thompson River drainages

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1979

Control / Lodgepole pine / Mountain pine beetle / Diseases and pests

Diseases and pestsYaak and Thompson River demonstration areas to manage mountain pine beetle in lodgepole pineMark D. McGregor

Yaak and Thompson River demonstration areas to manage mountain pine beetle in lodgepole pine

Mark D. McGregor · USDA Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1980

Control / Lodgepole pine / Mountain pine beetle / Diseases and pests

Mountain pine beetleEffect of thinning second-growth ponderosa pine stands on incidence of mountain pine beetle infestationMark D. McGregor

Effect of thinning second-growth ponderosa pine stands on incidence of mountain pine beetle infestation

Mark D. McGregor · U.S. Dept. of Agriculture, Forest Service, Northern Region

Sayfa sayısı yok · 1973

Control / Thinning / Ponderosa pine / Mountain pine beetle

Mountain pine beetleStatus of mountain pine beetle infestations on the Superior Ranger District, Lolo National Forest, St. Regis, MontanaMark D. McGregor

Status of mountain pine beetle infestations on the Superior Ranger District, Lolo National Forest, St. Regis, Montana

Mark D. McGregor · USDA, Forest Service, Northern Region, Division of State & Private Forestry

Sayfa sayısı yok · 1973

Mountain pine beetle

Diseases and pestsStatus of mountain pine beetle infestations, Glacier National Park and Glacier View Ranger District, Flathead National Forest, Montana, 1977Mark D. McGregor

Status of mountain pine beetle infestations, Glacier National Park and Glacier View Ranger District, Flathead National Forest, Montana, 1977

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

14 sayfa · 1978

Lodgepole pine / Mountain pine beetle / Diseases and pests

Diseases and pestsEvaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975Mark D. McGregor

Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975

Mark D. McGregor · Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1975

Mountain pine beetle / Pine / Diseases and pests

Western spruce budwormDipel wettable powder (Bacillus thuringiensis Berliner) as a control agent for western spruce budworm Choristoneura occidentalis FreeMark D. McGregor

Dipel wettable powder (Bacillus thuringiensis Berliner) as a control agent for western spruce budworm Choristoneura occidentalis Free

Mark D. McGregor · Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry

17 sayfa · 1976

Control / Bacillus thuringiensis / Western spruce budworm

Abies lasiocarpaEvaluation of mountain pine beetle infestations, Big Belt Mountains, Townsend District, Helena National Forest--1973Mark D. McGregor

Evaluation of mountain pine beetle infestations, Big Belt Mountains, Townsend District, Helena National Forest--1973

Mark D. McGregor · USDA Forest Service, Northern Region, Division of State & Private Forestry

Sayfa sayısı yok · 1973

Diseases and pests / Lodgepole pine / Bark beetles / Mountain pine beetle / Abies lasiocarpa

Mountain pine beetleStatus of mountain pine beetle infestations, Gallatin District, Gallatin National Forest, 1973Mark D. McGregor

Status of mountain pine beetle infestations, Gallatin District, Gallatin National Forest, 1973

Mark D. McGregor · USDA Forest Service, Northern Region, State & Private Forestry

12 sayfa · 1974

Mountain pine beetle

Douglas fir beetleEvaluation of the Douglas-fir beetle infestationMark D. McGregor

Evaluation of the Douglas-fir beetle infestation

Mark D. McGregor · U.S. Dept. of Agriculture, Forest Service, Northern Region, Division of State and Private Forestry

17 sayfa · 1974

Douglas fir beetle

Diseases and pestsEvaluation of mountain pine beetle infestations, Gallatin Ranger District, Gallatin National Forest, Montana, 1975Mark D. McGregor

Evaluation of mountain pine beetle infestations, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Mark D. McGregor · Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry

11 sayfa · 1976

Lodgepole pine / Mountain pine beetle / Diseases and pests

Diseases and pestsEvaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973Mark D. McGregor

Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973

Mark D. McGregor · USDA Forest Service, Northern Region, Division of State & Private Forestry

Sayfa sayısı yok · 1973

Ponderosa pine / Mountain pine beetle / Diseases and pests

Diseases and pestsEvaluation of the Douglas-fir beetle infestation in the North Fork Clearwater River drainage, Idaho--1972Mark D. McGregor

Evaluation of the Douglas-fir beetle infestation in the North Fork Clearwater River drainage, Idaho--1972

Mark D. McGregor · U.S Forest Service, Northern Region, Division of State and Private Forestry

Sayfa sayısı yok · 1972

Douglas fir / Douglas fir beetle / Diseases and pests

Mountain pine beetleStatus of mountain pine beetle, Northern Region, 1982Mark D. McGregor

Status of mountain pine beetle, Northern Region, 1982

Mark D. McGregor · U.S. Dept. of Agriculture, Forest Service, Northern Region, State & Private Forestry

32 sayfa · 1983

Mountain pine beetle

Diseases and pestsEvaluation of mountain pine beetle infestations, Wolf Mountains, Crow Indian Reservation, Montana, 1973Mark D. McGregor

Evaluation of mountain pine beetle infestations, Wolf Mountains, Crow Indian Reservation, Montana, 1973

Mark D. McGregor · USDA Forest Service, Northern Region, Division of State & Private Forestry

Sayfa sayısı yok · 1974

Ponderosa pine / Mountain pine beetle / Diseases and pests

Mountain pine beetleStatus of mountain pine beetle, Kootenai National Forest, Montana, 1979Mark D. McGregor

Status of mountain pine beetle, Kootenai National Forest, Montana, 1979

Mark D. McGregor · USDA Forest Service, Northern Region, State & Private Forestry

11 sayfa · 1980

Diseases and pests / Lodgepole pine / Ponderosa pine / Mountain pine beetle

Diseases and pestsEvaluation of mountain pine beetle infestations, Thompson River Drainage, Plains District, Lolo National Forest, Montana, 1976Mark D. McGregor

Evaluation of mountain pine beetle infestations, Thompson River Drainage, Plains District, Lolo National Forest, Montana, 1976

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1977

Lodgepole pine / Mountain pine beetle / Diseases and pests

Diseases and pestsEffect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestationMark D. McGregor

Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation

Mark D. McGregor · USDA Forest Service, Northern Region

Sayfa sayısı yok · 1972

Ponderosa pine / Thinning / Mountain pine beetle / Diseases and pests

Diseases and pestsEvaluation of mountain pine beetle infestation, Hebgen Lake Ranger District, Gallatin National Forest, Montana, 1978Mark D. McGregor

Evaluation of mountain pine beetle infestation, Hebgen Lake Ranger District, Gallatin National Forest, Montana, 1978

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1979

Lodgepole pine / Mountain pine beetle / Diseases and pests

Douglas firStatus of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973Mark D. McGregor

Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973

Mark D. McGregor · USDA, Forest Service, Northern Region, Division of State & Private Forestry

Sayfa sayısı yok · 1973

Diseases and pests / Abies lasiocarpa / Lodgepole pine / Engelmann spruce / Douglas fir

Mountain pine beetleEvaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1972Mark D. McGregor

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1972

Mark D. McGregor · USDA Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1973

Diseases and pests / Lodgepole pine / Whitebark pine / Douglas fir / Mountain pine beetle

Diseases and pestsStatus of mountain pine beetle infestation, Gallatin National Forest, 1976Mark D. McGregor

Status of mountain pine beetle infestation, Gallatin National Forest, 1976

Mark D. McGregor · Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry

Sayfa sayısı yok · 1977

Lodgepole pine / Mountain pine beetle / Diseases and pests