Index Catalog // ScholarsArchive@OSU

The taxonomic significance of the male genitalia and associated structures in the genus Eucerceris cresson (Hymenoptera : Sphecidae)

Creator:: Davidson, Jerry Mitchell
Abstract:: The male genitalia of 69 species, representing eight genera of sphecid wasps, were examined in order to ascertain their taxonomic value. In all, the male genitalia of approximately 1000 specimens were critically studied. Emphasis was placed on the genitalia and associated sclerites of the known males in the genus Eucerceris....
Resource Type:: Masters Thesis
Full Text:: professor, Dr. Paul O. Ritcher, for providing financial support during my thesis research, for permitting me

The species of root-weevils attacking strawberry with especial reference to their life history, habits and control in Oregon

Creator:: Wilcox, Joseph, 1901-1982
Resource Type:: Masters Thesis
Full Text:: found to be inur- thus to foliage." In a letter recently received by the writer after Dr. van Dyke

The species composition and adaptations of insects in an intermittent stream in western Oregon

Creator:: Tew, Michael Peter
Abstract:: The insect fauna of a small second order intermittent stream near Corvallis, Benton County, Oregon was studied. The species composition was determined, attempts were made to monitor migration to the stream, qualitative and quantitative benthos samples were taken, emergence was sampled, the dry stream bed was examined for forms of...
Resource Type:: Masters Thesis
Full Text:: : Dr. N. H. Anderson for serving as my major professor. Dr. J. D. Lattin for his very helpful review

The seasonal succession of stoneflies (Plecoptera) on Willamette valley trout streams

Creator:: Ball, Eldon Edward
Resource Type:: Masters Thesis
Full Text:: Dr. D. C. Mote, Head of the Entomology Department for his very helpful supervision, suggestions

The seasonal occurrence and larval habitats of the mosquitoes of Corvallis, Oregon (Diptera-Culicidae)

Creator:: Kerr, George Ezekiel
Abstract:: From May through November 1963, a mosquito survey was made in the city of Corvallis, Oregon. The information obtained dealt with the species of mosquitoes found, their seasonal occurrence and the location and nature of their larval habitats. A quantitative and qualitative analysis of larval and adult mosquito collections by...
Resource Type:: Masters Thesis
Full Text:: sincere thanks and appreciation to Dr. R. L. Goulding, Assistant Professor of Entomology, Oregon State

The seasonal occurrence and distribution of stoneflies (Plecoptera) of a western Oregon stream

Creator:: Kerst, Cary Dean
Abstract:: Plecoptera were collected from four sampling stations selected to represent a range of conditions on Oak Creek, a small woodland stream originating in the foothills of the Oregon Coast Range. The elevation of Site I was 700 ft. while the lowest site was located at 225 ft. Monthly benthos samples...
Resource Type:: Masters Thesis
Full Text:: appreciation is expressed to the following: Dr. N. H. Anderson for serving as my major professor and

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:: thank Dr. M. T. AliNiazee for financial support. Dr. David Birkes helped a great deal with data

The morphology and taxonomic significance of the male genitalia of Coenonycha (Coleoptera, Scarabaeidae)

Creator:: Davidson, Jean Hoyt Puckle
Abstract:: The genus Coenonycha contains 30 described species of small to medium sized scarabs. They are found in the arid and semi-arid regions of western United States and northern Baja California. The adults feed at night on several genera of xerophylous plants. An examination of the male genitalia of the 19...
Resource Type:: Masters Thesis
Full Text:: California, Riverside, California; Dr. W. F. Barr, University of Idaho, Moscow, Idaho; Dr. 0. L. Cartwright

The morphology and biology of Macrovelia hornii Uhler (Heteroptera : Mesoveliidae)

Creator:: Anderson, Aage Bernard
Abstract:: The external and internal morphology are considered and important morphological characters are found which relate Macrovelis to the family Mesoveliidae. Both macropterous and Brachypterous forms occur throughout the western half of the United States. The adults and nymphs are restricted to the margins of springs and streams during the reproductive...
Resource Type:: Masters Thesis
Full Text:: his appreciation to his major professor, Dr. J. D. Lattin, Assistant Professor of Entomology at

The Miridae (Hemiptera : Heteroptera) associated with noble fir, Abies procera Rehd

Creator:: Cooper, G. M.
Abstract:: The Miridae, or plant bugs, associated with noble fir, Abies procera Rehd., are discussed. Thirty six species of the Miridae were collected from noble fir. Twenty five of these species are considered only "visitors" to noble fir. The study does not deal with these species. Noble fir is a host...
Resource Type:: Masters Thesis
Full Text:: ) Associated with Noble Fir, Abies procera Rehd. Abstract approved: Redacted for Privacy /- Dr. John D

ScholarsArchive@OSU

The taxonomic significance of the male genitalia and associated structures in the genus Eucerceris cresson (Hymenoptera : Sphecidae)

The species of root-weevils attacking strawberry with especial reference to their life history, habits and control in Oregon

The species composition and adaptations of insects in an intermittent stream in western Oregon

The seasonal succession of stoneflies (Plecoptera) on Willamette valley trout streams

The seasonal occurrence and larval habitats of the mosquitoes of Corvallis, Oregon (Diptera-Culicidae)

The seasonal occurrence and distribution of stoneflies (Plecoptera) of a western Oregon stream

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

The morphology and taxonomic significance of the male genitalia of Coenonycha (Coleoptera, Scarabaeidae)

The morphology and biology of Macrovelia hornii Uhler (Heteroptera : Mesoveliidae)

The Miridae (Hemiptera : Heteroptera) associated with noble fir, Abies procera Rehd

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