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Temperature-dependent development of strawberry root weevil Otiorhynchus ovatus (L.)

Creator:: Umble, Jon R.
Abstract:: The temperature-dependent development of pupae and adults of strawberry root weevil (SRW) Otiorhynchus ovatus (L.) was studied in strawberry (Fragaria x ananassa Duch. var. 'Totem'). The development of pupae and adults was investigated at constant temperatures from 3-33°C at 3°C intervals. Major emphasis was on the development of a weighted...
Resource Type:: Masters Thesis
Full Text:: Otiorhynchus ovatus (L.) AN ABSTRACT OF THE THESIS OF Jon R. Umble for the degree of Master of Science in

Distribution, phenology, and parasitism of the winter moth, (Operophtera brumata L.), in western Oregon

Creator:: Kimberling, Diana Nalani
Abstract:: An exotic pest of deciduous plants, Operophtera brumata (L.), was discovered in Portland, Oregon in 1978. O. brumata, the winter moth, is native to northern Africa and temperate Eurasia. Its range extends from Scandanavia, Britain, and France to Japan. It is also now well established on the North American continent...
Resource Type:: Masters Thesis
Full Text:: , (Operophtera brumata L.), in western Oregon AN ABSTRACT OF THE THESIS OF Diana Kimberling for the degree of

Detection and characterization of resistance to pesticides in codling moth, Cydia pomonella L. from Oregon

Creator:: Arshad, Muhammad, 1958-
Abstract:: Toxicological studies were carried out to evaluate the susceptibility of codling moth, Cydia pomonella L. to different insecticides. Bioassay procedures for adults and larvae were standardized in terms of posttreatment holding and temperature, age and sex of insects, insecticide formulations and selection of a reference strain. This study detected a...
Resource Type:: Masters Thesis
Full Text:: codling moth, Cydia pomonella L. from Oregon AN ABSTRACT OF THE THESIS OF Muhammad Arshad for the

Biology, distribution and economic threshold of the strawberry root weevil, Otiorhynchus ovatus (L.), in peppermint

Creator:: Cacka, Joseph Francis
Resource Type:: Masters Thesis
Full Text:: Strawberry Root Weevil, Otiorhynchus ovatus (L.) in Peppermint AN ABSTRACT OF THE THESIS OF Joseph Francis

Integration of microbial and chemical controls against codling moth, Cydia pomonella (L.) : laboratory and field evaluation

Creator:: Bajwa, Waheed Ibrahim
Abstract:: The feasibility of managing codling moth, Cydia pomonella (L.), with mixtures of Bacillus thuringiensis-based microbial and selected chemical insecticides was studied under laboratory and field conditions. Joint actions (synergism, additivity and antagonism) of these mixtures were determined for both egg and larval stages. Higher rates of microbial control agents (MCAs),...
Resource Type:: Dissertation
Full Text:: Moth, Cydia pomonella (L.): Labratory and Field Evaluations AN ABSTRACT OF THE THESIS OF Waheed

Biological and ecological aspects of the black flies of the Marys River drainage system (Diptera: Simuliidae)

Creator:: Speir, Jon Allen
Abstract:: Members of the family Simuliidae were studied in a single, confined drainage system. In addition to determining the occurrence and distribution of the species present, biological and ecological observations were made. Specific measurements and observations were accomplished to determine as much as possible about the habitat specificity and life cycle...
Resource Type:: Masters Thesis
Full Text:: approved: R. L. Goulding Members of the family Simuliidae were studied in a single, confined drainage

Biology studies of Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) on Gramineae in western Oregon

Creator:: Greene, Gerald L.
Abstract:: Field biology studies of three grain aphids, Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) were conducted near Corvallis, Oregon, from 1961 to 1964. Populations of M. avenae were found on grain plants, and alatae entering spring barley may have been from wheat fields. Specimens were found more...
Resource Type:: Dissertation
Full Text:: .), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) on Gramineae in western Oregon AN ABSTRACT OF THE

Effect of diet on larval development, adult emergence and fecundity of the cinnabar moth, Tyria jacobaeae (L.) (Lepidoptera:Arctiidae)

Creator:: Rose, Sharon Diane
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Entomology presented on January 1978 Title: Effect of Diet on Larval

A study of ticks (Acarina: Ixodidae) and chiggers (Trombiculidae) from two areas in western Oregon

Creator:: Easton, Emmett Richard
Abstract:: A study of the host range and distribution of ticks and chiggers (Acari) was undertaken in two contrasting forested areas of western Oregon. Acarines were sampled from host mammals which were trapped along line transects laid out in both areas, each consisting of 18 stations 50 feet apart. Hosts were...
Resource Type:: Dissertation
Full Text:: Privacy Abstract approved: VIP' R. L. Goulding A study of the host range and distribution of ticks and

Visual and olfactory responses of the horn fly, Haematobia irritans (Linn.)

Creator:: Hargett, Louie Thomas, 1932-
Resource Type:: Dissertation
Full Text:: 1rr1tans (L!nn . ) by LOUIE THO~~S HARGETT A THESIS submitted to CREGO·~ STATE Ur.TIVERSITY !n

ScholarsArchive@OSU

Temperature-dependent development of strawberry root weevil Otiorhynchus ovatus (L.)

Distribution, phenology, and parasitism of the winter moth, (Operophtera brumata L.), in western Oregon

Detection and characterization of resistance to pesticides in codling moth, Cydia pomonella L. from Oregon

Biology, distribution and economic threshold of the strawberry root weevil, Otiorhynchus ovatus (L.), in peppermint

Integration of microbial and chemical controls against codling moth, Cydia pomonella (L.) : laboratory and field evaluation

Biological and ecological aspects of the black flies of the Marys River drainage system (Diptera: Simuliidae)

Biology studies of Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) on Gramineae in western Oregon

Effect of diet on larval development, adult emergence and fecundity of the cinnabar moth, Tyria jacobaeae (L.) (Lepidoptera:Arctiidae)

A study of ticks (Acarina: Ixodidae) and chiggers (Trombiculidae) from two areas in western Oregon

Visual and olfactory responses of the horn fly, Haematobia irritans (Linn.)

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