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Spruce Spider Mite Control in Douglas-fir Christmas Trees

Creator:

West, Kenneth J. and DeAngelis, Jack

Resource Type:

Conference Proceeding

Full Text:

Trees Ken West and Jack DeAngelis Oregon State University Extension Entomology The sprucespidermite
The Biology and Control of the Douglas-fir Needle Midge in Christmas Trees

Creator:

West, Kenneth J., Ruzicka, Angela, and DeAngelis, Jack

Resource Type:

Conference Proceeding

Full Text:

in Christmas Trees Kenneth J. West, Angela Ruzicka and Jack DeAngelis The Douglas-fir needle midge
The Within Tree Distribution of Oligonychus ununguis (Spruce Spider Mite) on Douglas-fir Christmas Trees

Creator:

Calkin, James D., DeAngelis, Jack, and Fisher, Glenn C.

Resource Type:

Conference Proceeding

Full Text:

ununguis (spruce spider mite) on Douglas-fir Christmas trees. Jim Calkin, Jack DeAngelis, and Glenn Fisher
4-H entomology manual [1997]

Creator:

Thompson, Virginia, DeAngelis, Jack, Cowan, Janice, and Capizzi, Joseph, Jr.

Abstract:

You will find the study of insects to be interesting and rewarding. This manual has been prepared to serve as a source of information concerning basic concepts in entomology. It will show you how to reach certain objectives and how to make and use equipment useful in learning about insects....

Resource Type:

Learning Object