Western balsam bark beetle activity and flight periodicity in the Northern Region
By: Ken Gibson, Sandy Kegley, and Bob Oakes.
Contributors: Kegley, Sandy.; Oakes, Robert D.; United States. Forest Service. Northern Region. Cooperative Forestry and Forest Health Protection.
Series: Cooperative forestry and forest health protection; Report -- 97-3.; Report (United States. Forest Service. Northern Region) -- no. 97-3.
Publisher: [U.S. Forest Service, Northern Region], Cooperative Forestry and Forest Health Protection
Published: 1997
Place of publication: [Missoula, Mont.]
Language: eng
Subjects: Bark beetles.; Abies lasiocarpa -- Diseases and pests.; Fir -- Diseases and pests.
Notes: Includes bibliographical references (p. 4).

Also issued online.