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Filtering by: Subject Hazel -- Diseases and pests -- Identification Degree Level Doctoral

Classical biological control of the filbert aphid, Myzocallis coryli (Goetze) (Homoptera:Aphididae) in western Oregon

Creator:

Messing, Russell H.

Abstract:

A classical biological control project was undertaken against the filbert aphid, Myzocallis coryli (Goetze), in western Oregon. Hazelnut orchards in Spain, France, and Italy were searched for natural enemies of the aphid, and a parasitic wasp, Trioxys pallidus Haliday, was imported, quarantined, mass-reared, and released in Oregon orchards. The wasp...

Resource Type:

Dissertation

Full Text:

and Stebbins 1981). The filbert aphid, Myzocallis coryli (Goetze), is a perennial, serious pest in