Biological interrelationships between the ambrosia beetle
Xyleborus dispar (F.) (Coleoptera:Scolytidae) with its symbiotic
fungus, Ambrosiella hartigii Batra (Fungi Imperfecti) were investigated
in western Oregon.
Postdiapause adults of X. dispar collected in March through
June with rotary nets, and excised from overwintered and newly
attacked host material, produced a single generation...
The study was designed to determine the attitudes of intern
teachers toward specified concepts as they began their internship in
the Portland Urban Teacher Education Program and upon completion
of their intern training, prior to receiving certification through
Oregon State University. The direction and intensity of attitude change
across the...
