Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Insect pests -- Biological control -- Directories Advisor Dickason, E. A.

Insect parasites of the omnivorous leaf tier, Cnephasia longana (Haworth) in Oregon

Creator:

Poonyathawon, Panya

Abstract:

The purpose of this study was to determine the present status of introduced parasites of the omnivorous leaf tier, Cnephasia longana (Haworth) in Oregon. The omnivorous leaf tier is native to Europe. It was introduced into North America around 1929 and became a serious pest of economic crops such as...

Resource Type:

Masters Thesis

Full Text:

biological control agent in regulating omnivorous leaf tier population in Western Oregon. Insect