Identification of Invasive and Reemerging Pests on Hazelnuts

Vaughn Walton, Ute Chambers, Amy J. Dreves, Denny Bruck and Jeff L. Olsen
EM 8946 | Published December 2007, Reviewed 2021

Summary

Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.

About the authors

Ute Chambers
Postdoctoral research scholar (horticulture)
Oregon State University
Denny Bruck
Research entomologist
Oregon State University
Jeff L. Olsen
Extension faculty (horticulture)
Oregon State University, Yamhill County

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