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Butterflies of the H.J. Andrews Experimental Forest : biological inventory and ecological analysis

Creator:: Ross, Dana N. R.
Abstract:: A biological inventory of the butterflies of the H. J. Andrews Experimental Forest [HJA] in Linn/Lane County, Oregon was conducted during 1994 and 1995. It was the first comprehensive survey of HJA butterflies for the site and serves as a baseline for future butterfly research. A detailed ecological account is...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Dana N. R. Ross for the degree of

Abundance and community composition of arboreal spiders : the relative importance of habitat structure, prey availability and competition

Creator:: Halaj, Juraj
Abstract:: This work examined the importance of structural complexity of habitat, availability of prey, and competition with ants as factors influencing the abundance and community composition of arboreal spiders in western Oregon. In 1993, I compared the spider communities of several host-tree species which have different branch structure. I also assessed...
Resource Type:: Dissertation
Full Text:: Structure. Prey Availability and Competition. Abstract approved: John D. Lattin, Darrell W. Ross _ This

The influence of light intensity on the phytochemistry of Chrysolepis chrysophylla (Fagaceae) and the relationship to the herbivory of Habrodais grunus herri (Lycaenidae)

Creator:: Bowden, Richard I.
Abstract:: Defensive chemical and nutritive quality of young leaves were measured for 72 individual trees of Chrysolepis [Castanopsis] chrysophylla in conjunction with light intensities of two different stand types and population numbers of Habrodais grunus herri in the Cascade mountains of Oregon. Leaves were collected in the spring and leaf characteristics...
Resource Type:: Masters Thesis
Full Text:: would definitely not have been possible. To Dana Ross and Paul Hammond for their help in my taxonomic

Population and production ecology of Lipsothrix spp. (Diptera:Tipulidae)

Creator:: Dudley, Thomas L.
Abstract:: Craneflies of the genus Lipsothrix inhabit decomposing wood in streams. The life cycles and ecological relationships of L. nigrilinea (Doane) and L. fenderi Alexander were investigated to determine how they exploit and respond to the wood habitat and their role in degradation of woody debris in western Oregon. Surveys of...
Resource Type:: Masters Thesis
Full Text:: encouragement of Ken Cummins. Gordon Pritchard and George Byers gave me sage advice from afar. The members of

Nearctic sawflies I, the adults and larvae of the subfamily Blennocampinae (Hymenoptera: Tenthredinidae)

Creator:: Smith, David R.
Abstract:: Seventy-two species of Blennocampinae in 21 genera and six tribes are known from the Nearctic region. The adults and known larvae of all species and genera are keyed, described and illistrated. A definition of the subfamily, a review of previous work, a table of host-plant associations, and a discussion of...
Resource Type:: Dissertation
Full Text:: of type specimens, and encouraging my work on sawflies: Dr. H. H. Ross, Illinois Natural

Biology and distribution of the Dicosmoecinae (Trichoptera: Limnephilidae) in western North America

Creator:: Wisseman, Robert William
Abstract:: Literature and museum records have been reviewed to provide a summary on the distribution, habitat associations and biology of six western North American Dicosmoecinae genera and the single eastern North American genus, Ironoquia. Results of this survey are presented and discussed for Allocosmoecus, Amphicosmoecus and Ecclisomvia. Field studies were conducted...
Resource Type:: Masters Thesis
Full Text:: sources for this review (Bird 1972; Donley et al. 1979; Franklin and Dyrness 1969; Hunt 1967, 1974

Macroarthropod communities on vine maple, red alder and sitka alder along riparian zones in the central western Cascade Range, Oregon

Creator:: Oboyski, Peter T.
Resource Type:: Masters Thesis
Full Text:: al. 1985, Campbell & Franklin 1979). Several of these species are also adapted to the hydric

Taxonomy and evolution of the Orthotyline genus Lopidea (Heteroptera: miridae)

Creator:: Asquith, Adam
Abstract:: The genus Lopidea Uhler is revised for America north of Mexico. The relationship of Lopidea to other orthotyline genera is discussed and it is proposed that the genus Ilnacora Reuter is the sister group of Lopidea. Forty-eight species of Lopidea are recognized in North America, one of which is described...
Resource Type:: Dissertation

A revision of the black grass bug genus Irbisia Reuter (Heteroptera:Miridae)

Creator:: Schwartz, Michael David
Abstract:: The black grass bug genus Irbisia Reuter was revised. Over 18,000 specimens were examined and information concerning the biology, host plant and distributional relationships of the species was compiled. In addition to external characters, the male claspers and vesica, and the female dorsal libiate plate of the bursa copulatrix and...
Resource Type:: Masters Thesis
Full Text:: , Kansas, (KU), Dr. Peter D. Ashlock and Dr. George W. Byers; South Dakota State University, Brookings

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:: million years (Waring and Franklin 1979). Before that, deciduous hardwoods dominated the region for 18

ScholarsArchive@OSU

Butterflies of the H.J. Andrews Experimental Forest : biological inventory and ecological analysis

Abundance and community composition of arboreal spiders : the relative importance of habitat structure, prey availability and competition

The influence of light intensity on the phytochemistry of Chrysolepis chrysophylla (Fagaceae) and the relationship to the herbivory of Habrodais grunus herri (Lycaenidae)

Population and production ecology of Lipsothrix spp. (Diptera:Tipulidae)

Nearctic sawflies I, the adults and larvae of the subfamily Blennocampinae (Hymenoptera: Tenthredinidae)

Biology and distribution of the Dicosmoecinae (Trichoptera: Limnephilidae) in western North America

Macroarthropod communities on vine maple, red alder and sitka alder along riparian zones in the central western Cascade Range, Oregon

Taxonomy and evolution of the Orthotyline genus Lopidea (Heteroptera: miridae)

A revision of the black grass bug genus Irbisia Reuter (Heteroptera:Miridae)

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

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