The biology and seasonality of the parasitiod Trioxys pallidus Haliday in western Oregon
By: by Judy L. Cohn.
Published: 1989
Language: eng
Number of pages: 74
Subjects: Hazel -- Diseases and pests -- Biological control -- Oregon.; Myzocallis -- Biological control -- Oregon.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1990.

Includes bibliography (leaves 69-74).