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Filtering by: Subject Brush -- Control -- Oregon Non-Academic Affiliation Oregon State University. Graduate School Subject Mites as biological pest control agents -- Oregon

Ecology of the predatory mite, Pergamasus quisquiliarum Canestrini (Acari: Mesostigmata)

Creator:

Groth, Eric M.

Abstract:

Pergamasus quisquiliarum Canestini is a polyphagous predatory mite that has been shown to feed on the economically important arthropod, Scutigerella immaculata Newport (Symphyla: Scutigerellidae), Collembola, Diptera larvae, Enchytraeid worms, and miscellaneous other soil organisms. This study examined the feeding behavior of P. quisquiliarum, the effects of cover cropping and tillage...

Resource Type:

Masters Thesis

Full Text:

. quisquiliarum, while control (fallow) and white mustard plots had the lowest densities. The two non
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:

-Shaul (Acari: phytoseiidae) as a biological control agent of Oligonychus ununguis (Jacobi) (Acari
Biological control of spider mites (Acari: Tetranychidae) on grape emphasizing regional aspects

Creator:

Prischmann, Deirdre A.

Abstract:

During summer of 1998 and 1999, 34 and 10 vineyard sites, respectively, were sampled to assess spider mite pests and associated biological control by phytoseiid mites. Vineyards studied spanned five major valleys in western Oregon where grape production occurs. Leaf samples were taken from site perimeters and centers. One leaf...

Resource Type:

Masters Thesis

Full Text:

control by phytoseiid mites within western Oregon vineyards. A second objective was to clarify how mite

ScholarsArchive@OSU

Ecology of the predatory mite, Pergamasus quisquiliarum Canestrini (Acari: Mesostigmata)

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

Biological control of spider mites (Acari: Tetranychidae) on grape emphasizing regional aspects

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