Index Catalog // ScholarsArchive@OSU

Biology and habits of the carrot rust fly Psila rosae (Fab.), in Oregon (Diptera: psilidae)

Creator:: Tanner, Carl Robert
Resource Type:: Masters Thesis
Full Text:: .), IN OREGON (DI1'rERAz PSILIDAE) by CARL ROBERT TANNER A THESIS ubmitted to (1EGON STATE

Oil sprays to prevent the spread of bean yellow mosaic virus (BYMV) by aphids

Creator:: Vargas, Timothy Carl
Abstract:: The influence of oil sprays on the field spread of the aphid-borne bean yellow mosaic virus (BYMV) in bean was studied in 1972 and 1973. Oil sprays failed to significantly reduce virus spread in the 1972 BYMV experiment. However, the data did suggest that the efficiency of the oil sprays...
Resource Type:: Masters Thesis
Full Text:: of Bean Yellow Mosaic Virus (BYMV) by Aphids by Timothy Carl Vargas A THESIS submitted to Oregon

A brief study of the history of entomology

Creator:: Maris, W. Homer
Resource Type:: Masters Thesis
Full Text:: : ------------------------------------ 60. . (1) I N T R O D U C T I O N OBJECT For the saine reason that a people can profit by

A biological and developmental study of Coeloides brunneri Vier. : a parasite of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopk.

Creator:: Ryan, Roger B.
Resource Type:: Dissertation
Full Text:: instar flattened into one r'vne...,. ...... .... 129 56. Larvae of C, brunnen. A. 'irst instar. B

Biology of the seed chalcids Bruchophagus gibbus (Boheman) and B. roddi Gussakovskii in Oregon

Creator:: Carrillo S., Jose Luis
Resource Type:: Masters Thesis
Full Text:: 370' C/) ¡ I50 D i o u- o loO a: w 80 D 70 Z 60 50 40 30 20 l0 o 29 5

The flight and olfactory behavior of checkered beetles (Coleoptera cleridae) predatory on the douglas-fir beetle

Creator:: Harwood, Willard Garland
Abstract:: Three coleopterous predators associated with the Douglas-fir beetle (Dendroctonus pseudotsugae Hopkins in a second growth forest of Douglas-fir (Pseudotsugae menziesii (Mirb. ) Franco) in western Oregon are Enoclerus sphegeus Fabriciup, E, lecontei Wolcott, and Thanasirnus undatulus Say. A study was undertaken with the following objectives: (1) to determine the diurnal...
Resource Type:: Masters Thesis
Full Text:: 30 25 20 bt q) p o 6) 0q C6 +,o t-. o ! tr c)o C) A 15 10 5 April 26, 1965

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

Creator:: Mitchell, Russel Gene
Resource Type:: Dissertation
Full Text:: AND EVALUATION OF ITS NATIVE PREDATORS by RUSSEL GENE MITCHELL A THESIS submitted to OREGON

Diurnal and seasonal flight patterns of bark beetles (Coleoptera : Scolytidae) associated with Douglas-fir forests of western Oregon

Creator:: Daterman, Gary E.
Abstract:: The study was undertaken to determine the seasonal and diurnal flight patterns of scolytid beetles inhabiting a second growth forest of Douglas-fir (Pseudotsuga menziesii (Mirb.)Franco) in western Oregon. Air temperatures, relative humidity, light intensity, and wind velocities were recorded for evaluation of their influence on flight activity. The insects were...
Resource Type:: Masters Thesis
Full Text:: ______G==a~rv~E=d~w~ar~d~D~a=t=e=r=m=a=n~____ forthe M.S. in Entomology (Name) (Degree) (Major) Date

Investigation on the life history and habits of the cherry case bearer (Coleophora pruniella Clemens) and the cigar case bearer (C. fletcherella Fernald) in the Willamette Valley

Creator:: Hsiao, Tsai Yu
Resource Type:: Masters Thesis
Full Text:: . C. F. W. Muesebeck and A. b. Gahan who identified the parasites. The above men are all connected

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:: terms 8 C. Biological information: methods 11 CHAPTER 3. THE FAMILY ORMYRIDAE 13 A. Relationships of

ScholarsArchive@OSU

Biology and habits of the carrot rust fly Psila rosae (Fab.), in Oregon (Diptera: psilidae)

Oil sprays to prevent the spread of bean yellow mosaic virus (BYMV) by aphids

A brief study of the history of entomology

A biological and developmental study of Coeloides brunneri Vier. : a parasite of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopk.

Biology of the seed chalcids Bruchophagus gibbus (Boheman) and B. roddi Gussakovskii in Oregon

The flight and olfactory behavior of checkered beetles (Coleoptera cleridae) predatory on the douglas-fir beetle

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

Diurnal and seasonal flight patterns of bark beetles (Coleoptera : Scolytidae) associated with Douglas-fir forests of western Oregon

Investigation on the life history and habits of the cherry case bearer (Coleophora pruniella Clemens) and the cigar case bearer (C. fletcherella Fernald) in the Willamette Valley

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

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Date

Decade

Degree Field

Degree Level

Degree Name

Language

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search