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Gamma irradiation of the western cherry fruit fly for the sterile male control technique

Creator:: Brown, Robert David
Abstract:: The western cherry fruit fly, Rhagoletis indifferens Curran, was studied to determine the suitability of the sterile insect technique for its control. To obtain insect material, field collection of maggots is preferred to sifting of soil or rearing on artificial diet. The western cherry fruit fly is strictly univoltine; only...
Resource Type:: Dissertation
Full Text:: domestic trees of cherry fruit flies in the Pacific Northwest and British Columbia. Geography does not

Developmental biology and phenology of the walnut husk fly, Rhagoletis completa Cresson (Diptera: Tephritidae) in the Willamette Valley of Oregon

Creator:: Kasana, Abdulmajid
Resource Type:: Dissertation
Full Text:: northwest. The WHF is the key arthropod pest in the Pacific Northwest (Anonymous 1983, 1993). The WHF is

Effect of temperature and photoperiod on growth and development of the filbert leafroller, archips rosanus L. (lepidoptera: Tortricidae) in the Willamette Valley of Oregon

Creator:: Al-Zabidi, Ahmed Hizam, 1953-
Abstract:: Role of temperature and photoperiod on development of the filbert leafroller, Archips rosanus L., (Lepidoptera: Tortricidae) from the Willamette Valley, Oregon was studied in the laboratory and in the field. Both temperature and photoperiod had a significant influence on the developmental rate of this species from neonate larva to adult...
Resource Type:: Dissertation
Full Text:: . Also, modern insect management programs require accurate information on these responses and their

Structure, function, and analysis of Coleoptera and Heteroptera assemblages on two species of hazelnut in Oregon

Creator:: Wetherill, Karen R.
Abstract:: The European hazelnut, Corylus avellana L., was imported into the U.S. in the late 1800's and is now grown throughout the Willamette Valley in Oregon. A native species of hazelnut, C. cornuta Marshall, is a common shrub found in forested areas of the Pacific Northwest. Foliage of both C. avellana...
Resource Type:: Masters Thesis
Full Text:: typical of disturbed areas. C. c. californica is the wild type found in the wetter Pacific Northwest

The relationship of temperature to pupal development rates of the western cherry fruit fly, Rhagoletis indifferens Curran

Creator:: VanKirk, James Ross
Abstract:: Adult emergence studies conducted with Rhagoletis indifferens Curran reveal that diapause development in this insect is completed most rapidly at approximately 3°C. These results coupled with those reported by Brown (1978) confirm that chilling at 3°C. for ca. 200 days is best when high percent emergence, good synchrony of emergence,...
Resource Type:: Masters Thesis
Full Text:: found in North America east of Iowa and R. indifferens is found primarily in the Pacific Northwest but

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 management is possible and indeed might be beneficial. Dipel-diflubenzuron mixtures were only

Oviposition behavior and thermal constants for egg development of the filbertworm Cydia latiferreana (Lepidoptera: Tortricidae)

Creator:: Kelly, Alice M.
Abstract:: Cydia latiferreana Wlshm. is recognized as the key insect pest of cultivated filbert (hazelnut) in Oregon. The purpose of this study was to obtain information on mating and oviposition behavior of the adult insect, to calculate the lower temperature threshold and degree-days required for egg development, and to develop an...
Resource Type:: Masters Thesis
Full Text:: Northwest for more than fifty years (AliNiazee and Kelly, 1981). This insect causes direct damage to the

The biology of the predator complex of the filbert aphid, Myzocallis coryli (Goetze), in western Oregon

Creator:: Messing, Russell H.
Abstract:: Commercial filbert orchards throughout the Willamette Valley were surveyed for natural enemies of the filbert aphid, Myzocallis coryli (Goetze). A large number of predaceous insects were found to prey upon M. coryli, particularly members of the families Coccinellidae, Miridae, Chrysopidae, Hemerobiidae, and Syrphidae. Also, a parasitic Hymenopteran (Mesidiopsis sp.) and...
Resource Type:: Masters Thesis
Full Text:: insect surveys of other fruit and nut orchards in the Pacific Northwest. Records from Europe show that

Oviposition of the codling moth, Laspeyresia pomonella (L.), on several varieties of apples and pears

Creator:: Gut, Larry J.
Abstract:: Ovipositional behavior of the codling moth, Laspeyresia pomonella (L.), on several varieties of apples and pears grown in the Pacific Northwest was investigated during the spring/summer of 1979. Field studies showed that early in the season more eggs were laid on the Bosc variety than on several other apple and...
Resource Type:: Masters Thesis
Full Text:: .), on several varieties of apples and pears grown in the Pacific Northwest was investigated during the

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:: 1960 to 1990 in Oregon are shown in Figure 1 which is adapted from Pacific Northwest Insect

ScholarsArchive@OSU

Gamma irradiation of the western cherry fruit fly for the sterile male control technique

Developmental biology and phenology of the walnut husk fly, Rhagoletis completa Cresson (Diptera: Tephritidae) in the Willamette Valley of Oregon

Effect of temperature and photoperiod on growth and development of the filbert leafroller, archips rosanus L. (lepidoptera: Tortricidae) in the Willamette Valley of Oregon

Structure, function, and analysis of Coleoptera and Heteroptera assemblages on two species of hazelnut in Oregon

The relationship of temperature to pupal development rates of the western cherry fruit fly, Rhagoletis indifferens Curran

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

Oviposition behavior and thermal constants for egg development of the filbertworm Cydia latiferreana (Lepidoptera: Tortricidae)

The biology of the predator complex of the filbert aphid, Myzocallis coryli (Goetze), in western Oregon

Oviposition of the codling moth, Laspeyresia pomonella (L.), on several varieties of apples and pears

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

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