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The hop aphis, Phorodon humuli (Schrank) and its control in the Willamette Valley

Creator:: Larson, Noal P.
Resource Type:: Masters Thesis
Full Text:: well as treating the poles. FrancIs Walker, in 1848, was first to suggest a host plant other than

The seasonal succession of stoneflies (Plecoptera) on Willamette valley trout streams

Creator:: Ball, Eldon Edward
Resource Type:: Masters Thesis

The Aegeriidae of the Pacific states

Creator:: Thompson, B. G. (Benjamin Garrison), 1891-
Resource Type:: Masters Thesis

Some factors in the development of northwestern entomology

Creator:: Bonnell, Daniel Ernest
Resource Type:: Dissertation
Full Text:: debt of special magnitude to Doctor Don C. Mote for invaluable criticism, to Doctor Melville Harrison

Phospholipids and their components in the nutrition and metabolism of the blowfly, Phormia regina (Meig.)

Creator:: Hodgson, Ernest
Resource Type:: Dissertation
Full Text:: · . · This was··· dOn~ ..by ltowr-!ng the concentra:t:tons ofi · ail the constittieD:ts ,: othetr ·than the

Certain factors affecting colonization of Ponderosa pine by Ips confusus (Leconte) (Coleoptera : Scolytidae)

Creator:: Pitman, Gary Boyd
Abstract:: The purpose of this study was to study in some detail host factors which influence the population dynamics of bark beetle. The dissertation objectives were to ascertain the applicability of utilizing osmotic pressure values and relative turgidity values of phloem tissue as indicators which reflect upon the physiological profile of...
Resource Type:: Dissertation
Full Text:: species of pine. The principal hosts include Pinus ponderosa, Pinus coulteri D. Don, Pinus radiata D

Entomopathogenic nematodes for biological control of the Colorado potato beetle, Leptinotarsa decemlineata (Say)

Creator:: Armer, Christine Andrea
Abstract:: The Colorado potato beetle (CPB), Leptinotarsa decemlineata (Say), is the most devastating foliage-feeding pest of potatoes in the United States. Potential biological control agents include the nematodes Heterorhabditis marelatus Liu & Berry and Steinernema riobrave Cabanillas, Poinar & Raulston, which provided nearly 100% CPB control in previous laboratory trials. In...
Resource Type:: Dissertation
Full Text:: . M., Francis, 0. J., Jr., and Kischenheuter, G. P. 1986. Rapid high-performance liquid

Systematics and host associations of Ormyrus species (Hymenoptera: Chalcidoidea)

Creator:: Hanson, Paul E.
Abstract:: The genus Ormyrus has a worldwide distribution and comprises about sixty recognized species. The higher taxonomic relationships of the genus are uncertain, as evidenced by its placement in the families Ormyridae, Pteromalidae, or Torymidae. Here, the genus is described in detail and a preliminary catalog of the world species is...
Resource Type:: Dissertation
Full Text:: : Gerry Baker (Mississippi State), Don Bennett (Storrs, Conn.) Tom Bruns (Ann Arbor, Mich.), Charles

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

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

ScholarsArchive@OSU

The hop aphis, Phorodon humuli (Schrank) and its control in the Willamette Valley

The seasonal succession of stoneflies (Plecoptera) on Willamette valley trout streams

The Aegeriidae of the Pacific states

Some factors in the development of northwestern entomology

Phospholipids and their components in the nutrition and metabolism of the blowfly, Phormia regina (Meig.)

Certain factors affecting colonization of Ponderosa pine by Ips confusus (Leconte) (Coleoptera : Scolytidae)

Entomopathogenic nematodes for biological control of the Colorado potato beetle, Leptinotarsa decemlineata (Say)

Systematics and host associations of Ormyrus species (Hymenoptera: Chalcidoidea)

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

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

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