Douglas fir tussock moth egg hatch and larval development in relation to phenology of white fir in southern Orgeon
By: Boyd E. Wickman
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research paper PNW -- 295
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland, Or
Language: eng
Subjects: Douglas-fir tussock moth; Fir -- Southern States
Notes: Caption title

Issued Apr. 1977

Bibliography: p. 9