Recovering western spruce budworm larvae from sticky traps covered with volcanic ash
By: Leon J. Theroux, David G. Fellin
Contributors: Fellin, David G; Intermountain Forest and Range Experiment Station (Ogden, Utah); Canada/United States Spruce Budworms Program
Series: Research note INT -- 323
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
Published: 1982
Place of publication: Odgen, Utah
Language: eng
Subjects: Western spruce budworm -- Larvae -- Montana.
Notes: "Canusa, Canada United States Spruce Budworms Program."

"December 1982."

Bibliography: p. 5