Biology of the alder bark beetle, Alniphagus aspericollis (Leconte) in the Willamette Valley
By: by John Rayner Pierce.
Published: 1957
Language: eng
Number of pages: 95
Subjects: Bark beetles.; Alder -- Diseases and pests.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1957.

Bibliography: leaves 52-53.