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Life history studies of Cinygma integrum Eaton (Ephemeroptera : Heptageniidae) and other mayflies associated with wood substrates in Oregon streams

Creator:: Pereira, Christine Rosabelle Dolores
Abstract:: Wood debris serves an important substrate for macroinvertebrates in streams. Particle size reduction due to feeding and other activities can be an important role of the fauna in wood degradation. In this study the Ephemeroptera associated with wood were investigated, with the objective of assessing their impact in the degradation...
Resource Type:: Masters Thesis
Full Text:: (Ephemeroptera:Heptageniidae) and Other Mayflies Associated with Wood Substrates in Oregon Streams Redacted for Privacy Dr. N

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:: in sorting and identifying the specimens collected during this study and Mike Dubrasich for his

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:: type specimens of all nominate species except for N. uliginosa and N. riparia. The type specimen of

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

Creator:: Dickie, Alfred Gordon
Abstract:: This study was initiated in the Spring of 1966 for the purpose of determining the present status and effectiveness of imported parasitic wasps of the pea aphid in the Willamette Valley of western Oregon. The pea aphid is a serious pest throughout the pea and alfalfa growing regions of the...
Resource Type:: Masters Thesis
Full Text:: for use in propagation work. More than 74,000 specimens of A. smithi were reared from this original

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

Creator:: Jensen, Andrew S.
Resource Type:: Dissertation
Full Text:: range of variation for the species without measuring every specimen at hand. This is consistent with

A review of the family Eviphididae (Acarina: Mesostigmata)

Creator:: Shoemake, Rodger Russell
Abstract:: A complete taxonomic review of the Family Eviphididae was made for the first time. The family was found to contain forty-nine species and five genera. The genera included were: Eviphis Berlese, Scarabaspis Womersley, Alliphis Halbert, Pelethiphis Berlese, and Thinoseius Halbert. The new species described were: Eviphis oregonensis from Deschutes County,...
Resource Type:: Dissertation
Full Text:: METHODS 7 Collecting 7 Preparing for Study 7 Equipment 9 Measurements 9 Descriptions 9 Types 10 FAMILY

Larval systematics of the Troginae in North America, with notes on biologies and life histories (Coleoptera: Scarabaeidae)

Creator:: Baker, Charles William, 1937-
Abstract:: A study of the immature stages of the subfamily Troginae in North America was conducted from the spring of 1963 through the spring of 1965, Larvae of Trox and Omorgus were easily reared in the laboratory, but all attempts to rear the larvae of Glaresis were unsuccessful, The suberosus group,...
Resource Type:: Dissertation
Full Text:: History, for the loan and exchange of adult specimens. Mr. O. L. Cartwright and Mr. D. M. Anderson, U

Observations on some western Oregon mites, with special reference to the Oribatoidea

Creator:: Swisher, Ely Martin
Resource Type:: Masters Thesis
Full Text:: be found helpful to stain some light colored specimens before mounting. For this purpose a

Some observations on the life-history and bionomics of the holly scale, Aspidiotus britannicus Newst. in Oregon

Creator:: Roaf, James Richardson
Resource Type:: Masters Thesis
Full Text:: of Adulb Insect by Newstead -- ditional Notes on Qreon Specimens -- Technique used for Mounting

The biology of the brown orchard mite, Bryobia arborea Morgan and Anderson (Acarina : Tetranychidae) on stone fruit trees in The Dalles, Oregon area

Creator:: Burts, Everett C.
Resource Type:: Masters Thesis
Full Text:: camel hair brush. Specimens of ! • praetiosa used for n:orphological studies were collected from

ScholarsArchive@OSU

Life history studies of Cinygma integrum Eaton (Ephemeroptera : Heptageniidae) and other mayflies associated with wood substrates in Oregon streams

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

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

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

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

A review of the family Eviphididae (Acarina: Mesostigmata)

Larval systematics of the Troginae in North America, with notes on biologies and life histories (Coleoptera: Scarabaeidae)

Observations on some western Oregon mites, with special reference to the Oribatoidea

Some observations on the life-history and bionomics of the holly scale, Aspidiotus britannicus Newst. in Oregon

The biology of the brown orchard mite, Bryobia arborea Morgan and Anderson (Acarina : Tetranychidae) on stone fruit trees in The Dalles, Oregon area

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