Field utilization of food supplements to enhance oviposition of Urophora affinis Frauenfeld and Urophora quadrifasciata (Meigen) on diffuse knapweed, Centaurea diffusa Lam.
By: by Hernan L. Norambuena.
Published: 1988
Language: eng
Number of pages: 68
Subjects: Tephritidae.
Notes: Typescript.

Thesis (M.S.)--Washington State University, 1988.

Bibliography: leaves 63-68.

WSU:"Department of Entomology."