Potential for defoliation by western spruce budworm in northern Idaho and Montana, 1977
By: by Scott Tunnock.
Contributors: United States. Forest Service. Northern Region. State & Private Forestry.
Series: Forest insect & disease management; U.S. Forest Service. Northern Region. Division of State and Private Forestry. Report -- no. 77-2.; Report (United States. Forest Service. Northern Region) -- no. 77-2.
Publisher: Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry
Published: 1977
Place of publication: Missoula, MT
Language: eng
Number of pages: 20
Subjects: Western spruce budworm -- Idaho.; Insect surveys -- Idaho.; Conifers -- Diseases and pests -- Idaho.; Defoliation -- Forecasting -- Idaho.; Western spruce budworm -- Montana.; Insect surveys -- Montana.; Conifers -- Diseases and pests -- Montana.; Defoliation -- Forecasting -- Montana.
Notes: Cover title.

Bibliography: p. 10.

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