Laboratory reactivation of diapausing larch casebearer larvae following different lengths of winter exposure
By: by R.B. Ryan.
Series: USDA Forest Service research note PNW -- 218.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1974
Place of publication: Portland, Ore
Language: eng
Subjects: Larch casebearer -- Larvae.; Insects -- Dormancy.
Notes: Caption title.

"January 1974."

Includes bibliographical references.