Studies of the biology and effectiveness of Laricobius erichsonii Rosenh. (Coleoptera: Derodontidae), an European predator of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Adelgidae)
By: by Paul Edwin Buffam.
Published: 1960
Language: eng
Number of pages: 69
Subjects: Insect pests -- Biological control.; Aphididae.; Beneficial insects.; Beetles.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1960.

Bibliography: leaves 67-69.