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Filtering by: Subject Mites as biological pest control agents -- Oregon, Western Creator Horton, Rene N.

Characteristics of Typhlodromus americanus Chant and Yoshida-Shaul (Acari: phytoseiidae) as a biological control agent of Oligonychus ununguis (Jacobi) (Acari: tetranychidae)

Creator:

Horton, Rene N.

Abstract:

The life history, temperature, humidity, and feeding requirements of the phytoseiid predator mite, Typhlodromus americanus Chant and Yoshida-Shaul were tested in the laboratory. Occurance of the mite in the field during different times of the year was investigated as well. Effects of temperature and humidity on egg hatch, the feeding...

Resource Type:

Masters Thesis

Full Text:

. americanus to support its use as a biological control agent for spruce spider mite in Douglas-fir and