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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:: (Heteroptera:Miridae) AN ABSTRACT OF THE THESIS OF MICHAEL DAVID SCHWARTZ for the degree of MASTER OF SCIENCE in

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:: (Heteroptera:Miridae) in western North America AN ABSTRACT OF THE THESIS OF Gary Michael Stonedahl for the degree of

Creator:: Phillips, Kathryn Ann
Resource Type:: Dissertation
Full Text:: , Mr. M. F. O'Brien; University of Minnesota, St. Paul, (UNN), Dr. P. E. Clausen; University of

Creator:: Oswald, John D. (John David)
Abstract:: The Nearctic species of the genus Sympherobius Banks are revised. Seventeen species are recorded from the region. Two new species, S. constrictus and S. quadricuspis are described from California and Arizona respectively. Four new specific synonyms are proposed (junior synonym(s) first): S. brunneus Nakahara and S. stangei Nakahara = S....
Resource Type:: Masters Thesis
Full Text:: (BMNH*) British Museum (Natural History); P. C. Barnard (CAS*) California Academy of Sciences; Paul

Creator:: Ripley, James Douglas
Abstract:: In an effort to describe the plant communities and succession of the Oregon coastal grasslands, vegetation and environmental data were collected from 75 stands at 24 separate locations ranging from Cape Falcon in Tillamook County to Cape Ferrelo in Curry County. The vegetation data consisted of cover and frequency values...
Resource Type:: Dissertation

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