Index Catalog // ScholarsArchive@OSU

Arthropod community organization and development in pear

Creator:: Gut, Larry J.
Abstract:: Arthropod communities in pear are conceptualized as hierarchically organized systems in which several levels of organization or subsystems can be recognized between the species population level and the community as a whole. An individual tree is taken to be the community habitat with arthropod subcommunities developing on leaf, fruit and...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Larry J. Gut for the degree of Doctor of Philosophy in Entomology

Comparative studies of the population ecology and life history patterns of an alkaline salt lake insect : Ephydra (Hydropyrus) hians Say (Diptera:Ephydridae)

Creator:: Herbst, David B.
Abstract:: Seasonal abundance and life history traits were compared between populations of the brine fly Ephydra (Hydrokyrus) hians Say (Diptera:Ephydridae), from two western Great Basin alkaline salt lakes. Abert Lake, Oregon, has a relatively low salinity (20-30 g/1 total dissolved solids) and more co-inhabitant benthic species than the higher salinity Mono...
Resource Type:: Dissertation
Full Text:: ) Abstract approved: Redacted for Privacy 1;rank,,P. Conte (Zoology) Redacted for Privacy -v-- U or J

The western oak bark beetle, Pseudopityophthorus pubinpennis (Lec.), in the central Willamette Valley of Oregon

Creator:: Dobson, Richard Cecil
Resource Type:: Dissertation
Full Text:: thaskt fo Fr,. So J* Shamb6r1.1n, Fcrart Bntoml.oglat et Srcgort St*tt 0elloge an$. to Sn. P, 0. <eher

Prey-stage preference in phytoseiid mites

Creator:: Blackwood, J. Scott
Abstract:: Knowledge of how individual organisms behave in their environment can provide a greater understanding of population dynamics. In a predator-prey system, the choices made by predators when foraging for prey are important aspects of behavior. Particularly in the case of a stage-structured prey population, how the predator selects prey stages...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF J. Scott Blackwood for the

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

Creator:: Vandenberg, J. D. (John Donald)
Abstract:: Chalkbrood is a mycosis of larvae of the alfalfa leafcutting bee, Megachile rotundata (Fabricius). It is a serious threat to alfalfa seed growers in western North America who use populations of this bee for pollination. Basic studies were conducted to determine the etiology of this disease and the course of...
Resource Type:: Dissertation
Full Text:: also to Drs. V. J. Brookes, J. C. Leong, W. C. Denison, and R. V. Frakes. Others members of the

Characteristics of NADPH-cytochrome P-450 reductase in the house fly (Musca domestica, L.) and the blow fly (Phormia regina, Meigen)

Creator:: Vincent, Daniel R.
Abstract:: NADPH-cytochrome P-450 reductase, an important enzyme in the cytochrome P-450-dependent microsomal monooxygenase system, was purified from insecticide-resistant (R) and -susceptible (S) house flies (Musca domestica, L.) and from the black blow fly (Phormia regina, Weigen). Proteolytic degradation to a P-450 - inactive form of the reductase was reduced during the...
Resource Type:: Dissertation
Full Text:: . Minor J. Coon (University of Michigan, Ann Arbor, MI, USA), and Dr. Henry W. Strobel (University of

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:: committee members for their help and patience: Drs. G. R. Ferguson, J. L. Green, M. C. Mix, P. A. Roberts

Observations on the morphology and biology of Rhizoglyphus robini Claparede (Acari, Acaridae)

Creator:: Baker, Gerald Timothy
Resource Type:: Dissertation
Full Text:: . Brookes, Dr. M. T. AliNiazee, Dr. H. Van Dyke, and Dr. J. D. Lattin. I would like to extend my sincere

The biology and behavior of the alkali bee Nomia melanderi Cockerell (Hymnoptera: Apoidea)

Creator:: Hackwell, Glenn Alfred
Abstract:: Nomia melanderi Cockerell is one of the most efficient pollinators of alfalfa in Eastern Oregon. Emergence begins in June, usually reaches its peak in early July, and may continue into early August. Male emergence precedes female emergence by four or five days. For the first few weeks of this time,...
Resource Type:: Dissertation
Full Text:: . J. D. Lattin, Entomology Department Dr. W. P. Nagel, Entomology Department. TABLE OF CONTENTS

A biological and systematic study of the armored boreid, Caurinus dectes, with comparative notes on related mecoptera

Creator:: Russell, Loren Kenneth
Abstract:: Caurinus dectes Russell is a minute, brachypterous scorpionfly which was discovered at Marys Peak, Benton County, Oregon, in 1976, and subsequently described as the only representative of the subfamily Caurininae within the Boreidae (snow scorpionflies). Caurinus dectes is now known to range from the Olympic Peninsula and Northern Cascades in...
Resource Type:: Dissertation
Full Text:: Cooper, and Paul Ritcher, who made this study possible in my mind, and to J. D. Lattin for taking on

ScholarsArchive@OSU

Arthropod community organization and development in pear

Comparative studies of the population ecology and life history patterns of an alkaline salt lake insect : Ephydra (Hydropyrus) hians Say (Diptera:Ephydridae)

The western oak bark beetle, Pseudopityophthorus pubinpennis (Lec.), in the central Willamette Valley of Oregon

Prey-stage preference in phytoseiid mites

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

Characteristics of NADPH-cytochrome P-450 reductase in the house fly (Musca domestica, L.) and the blow fly (Phormia regina, Meigen)

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

Observations on the morphology and biology of Rhizoglyphus robini Claparede (Acari, Acaridae)

The biology and behavior of the alkali bee Nomia melanderi Cockerell (Hymnoptera: Apoidea)

A biological and systematic study of the armored boreid, Caurinus dectes, with comparative notes on related mecoptera

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