Catalog Record: Identification of parasites of the Douglas-fir tussock moth, based on adults, cocoons, and puparia | HathiTrust Digital Library

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Identification of parasites of the Douglas-fir tussock moth, based on adults, cocoons, and puparia /
Torolf R. Torgersen.

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Main Author: Torgersen, Torolf R.
Language(s): English
Published: Portland, Or. : Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977.
Subjects: Parasitic insects > Parasitic insects / West (U.S.) > Parasitic insects / West (U.S.) / Identification.
Parasites > Parasites / West (U.S.) > Parasites / West (U.S.) / Identification.
Douglas fir tussock moth.
Note: Published in cooperation with USDA Douglas-fir tussock moth program.
Cover title.
Physical Description: 28 p. : ill. ; 27 cm.
ISBN:
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