Certain factors affecting colonization of Ponderosa pine by Ips confusus (Leconte) (Coleoptera : Scolytidae)
By: by Gary Boyd Pitman.
Published: 1964
Language: eng
Number of pages: 202
Subjects: Pine -- Diseases and pests.; Ips confusus.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State University, 1965.

Bibliography: leaves 171-185.