Western spruce budworm population densities and defoliation one year after insecticide treatment of small blocks
Contributors: United States. Forest Insect and Disease Management. Methods Application Group
Series: Report -- 80-1; Report (United States. Forest Insect and Disease Management. Methods Application Group) -- 80-1.
Publisher: Methods Application Group, Forest Insect and Disease Management, Forest Service, USDA
Published: 1979
Place of publication: Davis, Calif
Language: eng
Number of pages: 13
Subjects: Control; Choristoneura occidentalis; Forests; Western spruce budworm
Notes: Cover title.

"November 1979."

Authors: J.A.E. Knopf and others.

The illustration is a mounted photograph.

Includes bibliographical references.