Certain biotic factors influencing the invasion and survival of the Douglas-fir beetle Dendroctonus pseudotsugae Hopkins (Coleoptera : scolytidae) in fallen trees
By: by William Henry Hendrickson.
Published: 1965
Language: eng
Number of pages: 179
Subjects: Douglas fir beetle.
Notes: Typescript.

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

Bibliography: leaves 161-176.