Forecasting outbreaks of the Douglas-fir tussock moth from lower crown cocoon samples
By: R.R. Mason, D.W. Scott, and H.G. Paul
Contributors: Scott, D. W; Paul, H. Gene; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-460; Research paper PNW -- 460
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1993
Place of publication: Portland, Or. (333 S.W. First Ave., Portland 97208-3890)
Language: eng
Format: Microform
Number of pages: 12
Subjects: Douglas-fir tussock moth; Douglas fir -- Diseases and pests -- Northwest, Pacific
Other titles: Forecasting outbreaks of the Douglas fir tussock moth from lower crown cocoon samples
Notes: Cover title

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