Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978
By: by Thomas H. Flavell.
Contributors: United States. Forest Service. Northern Region. State & Private Forestry.
Series: Forest insect & disease management; Report - Forest Service, Northern Region, Forest Insect and Disease Management -- no. 78-14.; Report (United States. Forest Service. Northern Region) -- no. 78-14.
Publisher: Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry
Published: 1978
Place of publication: Missoula, MT
Language: eng
Subjects: Western spruce budworm -- Idaho.; Western spruce budworm -- Montana.; Insect surveys -- Idaho.; Insect surveys -- Montana.; Conifers -- Diseases and pests -- Idaho.; Conifers -- Diseases and pests -- Montana.
Notes: Caption title.

Includes bibliographical references (p. 5).

Also issued online.