Field test of two insecticides to control the hemlock sawfly
By: by Rick Johnsey.
Contributors: Washington (State). Dept. of Natural Resources.
Series: DNR note -- 43.; DNR note -- 43.
Publisher: State of Washington, Dept. of Natural Resources
Published: 1984
Place of publication: [Olympia? Wash.]
Language: eng
Subjects: Sawflies -- Control -- Washington (State); Insecticides.; Western hemlock -- Diseases and pests -- Washington (State); Forest insects -- Control -- Washington (State)
Notes: Caption title.

"January, 1984."

Bibliography: p. 6.