Index Catalog // ScholarsArchive@OSU

Relationships between forest-floor invertebrate distribution, movement, and microclimate under alternative riparian management practices

Creator:: Rykken, Jessica J.
Abstract:: Headwater streams and their riparian zones are a common, yet poorly understood, component of Pacific Northwest landscapes. I sought to describe the ecological significance of headwater stream riparian zones as habitat for forest-floor invertebrate communities, and to assess how alternative management strategies for riparian zones may impact these communities. I...
Resource Type:: Dissertation

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

Application of the study of organotaxy to a generic revision of the family Tydeidae (Acari : Actinedida)

Creator:: Andre, H. M. (Henri M.)
Abstract:: The organotaxy of the family Tydeidae is reviewed in light of the fundamental paradigms of Grandjean. The system of designation previously used to describe the tydeid idiosoma is replaced by a notation system based on chaetotaxy and poroidotaxy. A preliminary survey of dorsal sigillotaxy also is included. The phanerotaxy of...
Resource Type:: Masters Thesis

A revision of the genus Deraeocoris Kirschbaum (Heteroptera:Miridae) from western America north of Mexico

Creator:: Razafimahatratra, Vincent de Paul
Abstract:: The genus Deraeocoris Kirschbaum of western America north of Mexico was revised. Approximately 10,000 specimens from the Nearctic Region were examined. Taxonomic characters used by previous authors were reevaluated. In addition to the male parameres, the male vesica and the female posterior wall of the bursa copulatrix and sclerotized rings...
Resource Type:: Dissertation
Full Text:: . F. F. Hasbrouck; University of California, Davis (UCD), Mr. R. 0. Schuster; Colorado State

Riparian and adjacent upslope beetle communities along a third order stream in the western Cascade Mountain Range, Oregon

Creator:: Brenner, Gregory John
Abstract:: Monitoring wildlife habitats has become important to forest ecosystem management because it provides valuable information about the response of forests and their species to harvest practices, impacts from recreational use, conservation efforts, and natural and human-caused disturbances. Monitoring is a complex task that requires a variety of abiotic and biotic...
Resource Type:: Dissertation
Full Text:: Cleve and Martin 1991). Monitoring has become an important component of research in the HJA. Among the

Trace metal concentrations in the signal crayfish, Pacifastacus leniusculus (Decapoda: Astacidae), and the stonefly Pteronarcys californica (Plecoptera: Pteronarcyidae) along a downstream gradient of the Umatilla River

Creator:: Snyder, Jennifer L.
Abstract:: Metals are a persistent form of freshwater pollution and have been shown to bioaccumulate in aquatic macroinvertebrates through direct contact with contaminated water, sediments, and through consumption of contaminated organisms. This research explored the longitudinal bioaccumulation patterns of 5 common trace metals (Cr, Cu, Zn, Cd, and Pb) in the...
Resource Type:: Masters Thesis

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

Creator:: Theiling, Karen M.
Abstract:: Documentation of the side effects of pesticides on arthropod natural enemies has expanded rapidly since the 1950's as part of an increase in non-target side effects literature. Most reviews have been based on empirical analysis of selected literature. The SELCTV database was developed to make a larger information base accessible...
Resource Type:: Masters Thesis

A systematic study of the genus Phytocoris Fallén (Heteroptera:Miridae) in western North America

Creator:: Stonedahl, Gary Michael
Abstract:: The western Nearctic species of the genus Phytocoris Fallen were taxonomically revised. Over 15,000 specimens were examined. Information concerning host plant associations and distributions was compiled and summarized for use by future researchers. External morphological features and characters of the male genitalia were used to distinguish species. The genital tubercles...
Resource Type:: Dissertation
Full Text:: . Robert 0. Schuster; University of California, Riverside (UCR), Dr. John D. Pinto and Mr. Saul I

Taxonomic revision of Lichnanthe Burmeister with studies on the biology of L. rathvoni (Leconte) (Coleoptera:Scarabaeidae)

Creator:: Carlson, David Craig
Abstract:: The genus Lichnanthe Burmeister contains eight extant and one fossil species which are strictly nearctic in distribution. The subfamily Glaphyrinae, however, is distributed nearly world-wide. Five species were previously described and three are described as new herein. All eight extant species are described in detail herein, synonomies are made current,...
Resource Type:: Dissertation
Full Text:: . Chemsak, University of California, Berkeley; R. Schuster, University of California, Davis; S. Frommer

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:: , Dr. J. Powell; University of California, Davis, Dr. R.O. Schuster; University of. Idaho, Moscow, Dr

ScholarsArchive@OSU

Relationships between forest-floor invertebrate distribution, movement, and microclimate under alternative riparian management practices

Prey-stage preference in phytoseiid mites

Application of the study of organotaxy to a generic revision of the family Tydeidae (Acari : Actinedida)

A revision of the genus Deraeocoris Kirschbaum (Heteroptera:Miridae) from western America north of Mexico

Riparian and adjacent upslope beetle communities along a third order stream in the western Cascade Mountain Range, Oregon

Trace metal concentrations in the signal crayfish, Pacifastacus leniusculus (Decapoda: Astacidae), and the stonefly Pteronarcys californica (Plecoptera: Pteronarcyidae) along a downstream gradient of the Umatilla River

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

A systematic study of the genus Phytocoris Fallén (Heteroptera:Miridae) in western North America

Taxonomic revision of Lichnanthe Burmeister with studies on the biology of L. rathvoni (Leconte) (Coleoptera:Scarabaeidae)

The Tabanidae (Diptera) of Oregon

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