Sex identification of adults and pupae of a birch defoliator, Pheumaptera hastata, in interior Alaska /
by Richard A. Werner.

Description

Main Author

Werner, Richard A. (Richard Allen), 1936-

Related Names

Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Language(s)

English

Published

Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Nothwest Forest and Range Experiment Station, 1976.

Subjects

Birch > Birch / Diseases and pests.

Physical Description

4 p. : ill. ; 27 cm.

ISBN

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