Cydia youngana (Kearfott) (Lepidoptera:Tortricidae) and associates in Engelmann spruce cones, Fraser Experimental Forest, Colorado 1974-1977
By: J.M. Schmid, James C. Mitchell, and Robert E. Stevens
Contributors: Mitchell, James C; Stevens, Robert E. 1928-; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 394
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1981
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Engelmann spruce -- Diseases and pests -- Colorado -- Fraser Experimental Forest; Cones (Botany) -- Colorado -- Fraser Experimental Forest
Notes: Caption title

"March 1981."

Bibliography: p. 4