Attainment of the overwintering instar and the casebearing habit by larch casebearer larvae at different elevations in the Blue Mountains
By: by Roger B. Ryan
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research note PNW ; 228
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1974
Place of publication: Portland, Or
Language: eng
Subjects: Forests and forestry -- Diseases and pests -- Washington (State); Larch casebearer.; Larvae.
Notes: Cover title

Includes bibliographical references