Index Catalog // ScholarsArchive@OSU

A revision of the North American species of Pactopus Leconte and Trixagus Kugelann (Coleoptera: Throscidae)

Creator:: Yensen, Arthur Eric
Abstract:: This study was undertaken to find means of separating the morphologically similar species of North American Trixagus and to bring together information on Trixagus and Pactopus. A key to separate the world's eight genera of extant Throscidae is presented for the first time. A key to the five species of...
Resource Type:: Masters Thesis
Full Text:: specimens in their care: Dr. N. L. Anderson, Montana State Univer- sity; Dr. G. E. Ball, University of

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 Tabanidae (Diptera) of Oregon

Creator:: Mahmoud, Ali Ahmed
Abstract:: Fifty species and subspecies and six varieties in eight genera of the family Tabanidae are recognized from Oregon. The following genera are represented in Oregon: Apatolestes Williston, Pilimas Brennan, Stonemyia Brennan, Silvius Meigen, Chrysops Meigen, Atylotus Osten Sacken, Hybomitra Enderlein and Tabanus Linnaeus. Adults and larvae were collected from various...
Resource Type:: Dissertation
Full Text:: professor, Dr. John D. Lattin, has always been a source of help and encouragement. He contributed many

The distribution and biology of some Anthocoridae (Hemiptera: Heteroptera) in the Pacific Northwest

Creator:: Anderson, Norman Herbert
Resource Type:: Masters Thesis
Full Text:: while carrying out this project: To Dr. P. 0. Ritcher, Charrnan, Dopartnnt of Ento- mology, Oregon

Habitat associations of riparian beetles (Coleoptera) at Big Beaver Creek Research Natural Area, North Cascades National Park, Washington

Creator:: LaBonte, James R.
Abstract:: Beetle diversity and habitat associations of five prevalent riparian plant communities were examined along the lower reaches of Big Beaver Creek Research Natural Area, North Cascades National Park, Washington. These communities were defined by dominant tree species, and included Alder Swamps, Cedar-Hemlock Forests, Douglas-fir Forests, Gravel Bars, and Willow-Sedge Swamps....
Resource Type:: Masters Thesis
Full Text:: freely given advice, encouragement, time, and effort. Dr. Lattin also generously enabled me to acquire

The Deraeocoris Kirschbaum and Deraeocapsus Knight of Oregon (Hemiptera:Miridae)

Creator:: Razafimahatratra, Vincent de Paul
Resource Type:: Masters Thesis
Full Text:: major professor, Dr. John D. Lattin, Professor of Entomology, Oregon State University, who suggested

Revision of the genus Platylygus (Heteroptera: Miridae)

Creator:: Equihua-Martinez, Armando
Abstract:: The genus Platylygus Van Duzee was erected in 1915 and revised by Kelton and Knight in 1970 describing 26 new species from United State and Mexico. Despite this prior revision, taxonomic problems have been encountered with the use of the keys and in the identification given the close similarity among...
Resource Type:: Dissertation
Full Text:: the economical support for the continuation of my studies. also want to thanks Dr. John D. Lattin

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

Creator:: Phillips, Kathryn Ann
Resource Type:: Dissertation
Full Text:: Center. Type specimens were lent by the American Museum of Natural History, New York, (AMNH), Dr. R. T

Biological studies on Saldula palustris (Douglas) with emphasis on factors influencing wing pigmentation (Heteroptera:Saldidae)

Creator:: Stock, Mary Wilford
Abstract:: The life history and wing pattern variation of the intertidal shore bug, Saldula palustris (Douglas), were studied in field and experimental populations from June 1970 until February 1972. The study site was an estuarine salt marsh on Yaquina Bay near Toledo, Oregon. The insects live below mean high water level...
Resource Type:: Dissertation
Full Text:: FACTORS INFLUENCING WING PIGMENTATION (HETEROPTERA:SALDIDAE) Redacted for Privacy Abstract approved: Dr

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

A revision of the North American species of Pactopus Leconte and Trixagus Kugelann (Coleoptera: Throscidae)

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

The Tabanidae (Diptera) of Oregon

The distribution and biology of some Anthocoridae (Hemiptera: Heteroptera) in the Pacific Northwest

Habitat associations of riparian beetles (Coleoptera) at Big Beaver Creek Research Natural Area, North Cascades National Park, Washington

The Deraeocoris Kirschbaum and Deraeocapsus Knight of Oregon (Hemiptera:Miridae)

Revision of the genus Platylygus (Heteroptera: Miridae)

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

Biological studies on Saldula palustris (Douglas) with emphasis on factors influencing wing pigmentation (Heteroptera:Saldidae)

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

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