Mountain pine beetle in ponderosa pine
Subtitle: effects of phloem thickness and egg gallery density
By: Gene D. Amman, Judith E. Pasek
Contributors: Pasek, Judith E; Intermountain Research Station (Ogden, Utah)
Series: Research paper INT -- 367
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station
Published: 1986
Place of publication: Ogden, UT
Language: eng
Subjects: Beetles -- United States; Ponderosa pine; Trees -- Diseases and pests -- United States
Notes: Distributed to depository libraries in microfiche

"June 1986."

Bibliography: p. 7