Biology and habits of the carrot rust fly Psila rosae (Fab.), in Oregon (Diptera: psilidae)
By: by Carl Robert Tanner.
Published: 1951
Language: eng
Number of pages: 55
Subjects: Diptera.; Carrots -- Diseases and pests.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1951.

Bibliography: leaves 50-51.