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jerald e dewey

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Pine looper

Jerald E. Dewey · Forest Service

Sayfa sayısı yok · 1975

Pine-moth

USDA Forest Service environmental analysis

Jerald E. Dewey · U.S. Dept. of Agriculture Forest Service

Sayfa sayısı yok · 1973

Pine butterfly / Control / Neophasia / Forest insects

Pilot control project of carbaryl, trichlorfon, and Bacillus thuringiensis against western spruce budworm, Beaverhead and Gallatin National Forests, Montana, 1975

Jerald E. Dewey · USDA Forest Service, Northern Region, State and Private Forestry

19 sayfa · 1975

Western spruce budworm / Biological control / Carbaryl

A study of insects attacking Douglas-fir cones in eastern Montana and Yellowstone National Park, 1967

Jerald E. Dewey · USDA Forest Service, Division of State and Private Forestry, Northern Region

15 sayfa · 1968

Douglas fir / Diseases and pests

The 1971 western spruce budworm pilot test

Jerald E. Dewey · USDA Forest Service, Northern Region, Div. State and Private Forestry

20 sayfa · 1971

Western spruce budworm / Control / Insecticides / Testing

Douglas-fir tussock mothDouglas-fir tussock moth handbookJerald E. Dewey

Douglas-fir tussock moth handbook

Jerald E. Dewey · Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off

11 sayfa · 1978

Control / Douglas-fir tussock moth

Douglas-fir tussock mothDouglas-fir tussock moth population surveys, northern Idaho and western Montana, 1983 and 1984Jerald E. Dewey

Douglas-fir tussock moth population surveys, northern Idaho and western Montana, 1983 and 1984

Jerald E. Dewey · USDA Forest Service, Northern Region

12 sayfa · 1985

Diseases and pests / Douglas fir / Douglas-fir tussock moth

Insect surveysDouglas-fir tussock moth adult male survey north Idaho and western Montana, 1982Jerald E. Dewey

Douglas-fir tussock moth adult male survey north Idaho and western Montana, 1982

Jerald E. Dewey · USDA Forest Service, Northern Region, Cooperative Forestry & Pest Management

11 sayfa · 1983

Diseases and pests / Douglas fir / Douglas-fir tussock moth / Insect surveys

TreesForest insect conditions in the northern region, 1967Jerald E. Dewey

Forest insect conditions in the northern region, 1967

Jerald E. Dewey · U.S. Forest Service, Division of State and Private Forestry

11 sayfa · 1967

Diseases and pests / Forest insects / Trees

Douglas-fir tussock mothGuidelines for implementing direct control tactics against the Douglas-fir tussock mothJerald E. Dewey

Guidelines for implementing direct control tactics against the Douglas-fir tussock moth

Jerald E. Dewey · USDA Forest Service, Northern Region

Sayfa sayısı yok · 1984

Control / Diseases and pests / Douglas fir / Douglas-fir tussock moth

SeedsAn evaluation of cone and seed insects in selected seed production areas in Region 1, progress reportJerald E. Dewey

An evaluation of cone and seed insects in selected seed production areas in Region 1, progress report

Jerald E. Dewey · U.S. Forest Service, Region 1, State and Private Forestry

18 sayfa · 1979

Conifers / Diseases and pests / Forest insects / Seeds

Pine butterflyEvaluation of the pine butterfly infestation on the Nezperce National Forest, 1972Jerald E. Dewey

Evaluation of the pine butterfly infestation on the Nezperce National Forest, 1972

Jerald E. Dewey · USDA Forest Service, Northern Region, Division of State and Private Forestry

Sayfa sayısı yok · 1972

Pine butterfly

Bark beetlesEvaluation of bark beetle infestations on Cook Mountain, Ashland District, Custer National Forest, MontanaJerald E. Dewey

Evaluation of bark beetle infestations on Cook Mountain, Ashland District, Custer National Forest, Montana

Jerald E. Dewey · U.S. Forest Service, Northern Region, Division of State and Private Forestry

Sayfa sayısı yok · 1972

Bark beetles

Western spruce budwormA three year evaluation of Douglas-fir cone and seed insects in Montana and Yellowstone National ParkJerald E. Dewey

A three year evaluation of Douglas-fir cone and seed insects in Montana and Yellowstone National Park

Jerald E. Dewey · U.S. Dept. of Agriculture, Forest Service, Division of State and Private Forestry, Northern Region

19 sayfa · 1972

Diseases and pests / Douglas fir / Seeds / Western spruce budworm

Forest insectsAn evaluation of cone and seed insects in selected seed production areas in Region 1Jerald E. Dewey

An evaluation of cone and seed insects in selected seed production areas in Region 1

Jerald E. Dewey · U.S. Forest Service, Region 1, State and Private Forestry

11 sayfa · 1980

Conifers / Diseases and pests / Forest insects

Western false hemlock looperEvaluation of a western false hemlock looper infestation in the upper Flathead Valley, MontanaJerald E. Dewey

Evaluation of a western false hemlock looper infestation in the upper Flathead Valley, Montana

Jerald E. Dewey · U.S Forest Service, Northern Region, Division of State and Private Forestry

Sayfa sayısı yok · 1974

Western false hemlock looper

Hemlock looperStatus of the western hemlock looper in the northern region, 1971Jerald E. Dewey

Status of the western hemlock looper in the northern region, 1971

Jerald E. Dewey · U.S. Dept. of Agriculture, Forest Service, Division of State and Private Forestry, Northern Region

Sayfa sayısı yok · 1972

Hemlock looper