Index Catalog // ScholarsArchive@OSU

A review of Sitobion, with a description and revision of a new genus (Homoptera: Aphididae)

Creator:: Jensen, Andrew S.
Resource Type:: Dissertation
Full Text:: new genus (Homoptera: Aphididae) AN ABSTRACT OF THE THESIS OF Andrew S. Jensen for the degree 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:: natural classification. Two new tribes, Ceratulini and ''Waldheimiini, and one new sub- genus

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:: in 1970 describing 26 new species from United State and Mexico. Despite this prior revision

A revision of the Nearctic species of Sympherobius Banks (Neuroptera: Hemerobiidae)

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:: the region. Two new species, S. constrictus and S. quadricuspis are described from California and

A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

Creator:: Mathis, Wayne N.
Abstract:: The North American species of the shore fly genus Notiphila Fallen were taxonomically revised. Over 13,000 specimens were examined from throughout the Nearctic Region and information relating to the biology of many species occurring in the West was gathered from both field and laboratory studies. Previously used characters were reevaluated;...
Resource Type:: Dissertation
Full Text:: studies. Previously used characters were reevaluated; new evidence from comparative morphological

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:: , detailed distribution records and range maps are provided for each species. No new taxa are proposed, but

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:: presented. One new species, Irbisia knighti is described. The following synonymies are proposed: I

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:: Marys Peak in the Oregon Coast Range and the H.J. Andrews Experimental Forest in the Oregon Cascade

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
Full Text:: species of Lopidea are recognized in North America, one of which is described as new. The following

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:: one subspecies are known to occur in western North America. Five new species, Deraeocoris fraserensis

ScholarsArchive@OSU

A review of Sitobion, with a description and revision of a new genus (Homoptera: Aphididae)

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

Revision of the genus Platylygus (Heteroptera: Miridae)

A revision of the Nearctic species of Sympherobius Banks (Neuroptera: Hemerobiidae)

A revision of the genus Notiphila Fallén (Diptera:Ephydridae) from America north of Mexico

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

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

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

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

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

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