Bark beetle emergence cages modified for use as pit traps
By: J.M. Schmid, J.C. Mitchell, and M.H. Schroeder.
Contributors: Mitchell, James C.; Schroeder, Max H.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 244.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1973
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Insects -- Collection and preservation; Insect traps -- Design and construction
Notes: Caption title.

"June 1973."

Includes bibliographical references.