Pilot test results of Sevin, Phosphamidon, and DDT on the western hemlock looper
Subtitle: Lambdina fiscellaria lugubrosa Hulst, in southwest Washington in 1963
By: by Paul E. Buffam.
Contributors: United States. Forest Service. Pacific Northwest Region.
Publisher: Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, U.S.D.A. Forest Service
Published: 1964
Place of publication: Portland, Or
Language: eng
Number of pages: 41
Subjects: Western hemlock -- Diseases and pests.; Hemlock looper.; Forest insects -- Biological control -- Washington (State)
Notes: Cover title.

"May 1964."

Bibliography: p. 25-26.