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The effect of photoperiod and temperature on ovarian development and fat production in Culex peus Speiser (Diptera:Culicidae)

Creator:: Skultab, Seeviga
Abstract:: The effect of photoperiod and temperature on ovarian follicle development and fat production was studied in a colonized population of CuZex peus Speiser from Philomath, Oregon. Females were subjected to simulated fall conditions of photoperiod and temperature. Under a combination of short photoperiod and low temperature, there were various effects...
Resource Type:: Masters Thesis
Full Text:: wish to thank Dr. Rod Frakes, Dr. Jo-Ann Leong and Dr. Michael Burgett for serving on my committee. I

The Tabanidae (Diptera) of Oregon

Creator:: Mahmoud, Ali Ahmed
Abstract:: Fifty species and subspecies and six varieties in eight genera of the family Tabanidae are recognized from Oregon. The following genera are represented in Oregon: Apatolestes Williston, Pilimas Brennan, Stonemyia Brennan, Silvius Meigen, Chrysops Meigen, Atylotus Osten Sacken, Hybomitra Enderlein and Tabanus Linnaeus. Adults and larvae were collected from various...
Resource Type:: Dissertation

The Aegeriidae of the Pacific states

Creator:: Thompson, B. G. (Benjamin Garrison), 1891-
Resource Type:: Masters Thesis
Full Text:: glorosia H. Bdward.s, Bull. Brooklyn Ent. Soc. Vol.III,p.71; Grote, New Check-list N.A.iioths, p.11; Riley

Insect pests affecting clover in Oregon

Creator:: Anderson, Ernest Clifford
Resource Type:: Masters Thesis

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

Creator:: Theiling, Karen M.
Abstract:: Documentation of the side effects of pesticides on arthropod natural enemies has expanded rapidly since the 1950's as part of an increase in non-target side effects literature. Most reviews have been based on empirical analysis of selected literature. The SELCTV database was developed to make a larger information base accessible...
Resource Type:: Masters Thesis

The species of root-weevils attacking strawberry with especial reference to their life history, habits and control in Oregon

Creator:: Wilcox, Joseph, 1901-1982
Resource Type:: Masters Thesis

Influence of temperature and photoperiod on the developmental biology of the obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera:Tortricidae)

Creator:: Ranga Rao, Gangavalli V.
Abstract:: Developmental thresholds and thermal unit (degree day) requirements for eggs, different larval instars, pupal stage and preoviposition period were determined for the obliquebanded leafroller (OBLR), Choristoneura rosaceana (Harris). Separate thresholds and degree day requirements were determined for males and females, but differences between the sexes were not significant. However, there...
Resource Type:: Dissertation
Full Text:: : Tortricidae). Ann. Ent. Soc. Amer. 70(3): 391-401. 1980. Filbert insect pests. Extension Bull. Ore. St. Uni

The commercial propogation and biological studies of two parasites of the codling moth

Creator:: Gillespie, Douglas Grayson
Resource Type:: Masters Thesis

Pterophoridae of Oregon

Creator:: Davis, John Emerson
Resource Type:: Masters Thesis
Full Text:: ?!. iidwards, Bull. 35, U.S.N..ìi. 13o, 1889. Saunders, Ins. Inj. Fruits 314, 1889 (biol). Pacicsrd, 5th Rept

A revision of the genus Colladonus (Homoptera, Cicadellidae)

Creator:: Nielson, Mervin William
Resource Type:: Dissertation
Full Text:: intraspecific nriabilitf• CHARA.O!ERIZATION OF THE GENUS Colladonus Ball Colladonus Ball, Bull

ScholarsArchive@OSU

The effect of photoperiod and temperature on ovarian development and fat production in Culex peus Speiser (Diptera:Culicidae)

The Tabanidae (Diptera) of Oregon

The Aegeriidae of the Pacific states

Insect pests affecting clover in Oregon

The SELCTV database : the susceptibility of arthropod natural enemies to agricultural pests to pesticides

The species of root-weevils attacking strawberry with especial reference to their life history, habits and control in Oregon

Influence of temperature and photoperiod on the developmental biology of the obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera:Tortricidae)

The commercial propogation and biological studies of two parasites of the codling moth

Pterophoridae of Oregon

A revision of the genus Colladonus (Homoptera, Cicadellidae)

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