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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:: STONE 'RUIT TREES L\1 THE DALLES, OREGON AREA EVERETT C BURTS A THESIS submitted to OREGON STATE

The biology of the blister mites, Eriophyes SPP., of pear and apple in the Pacific Northwest

Creator:: Burts, Everett C.
Resource Type:: Dissertation
Full Text:: effort to help hini in his graduate studies. The writer sincerely thanks Dr. Charles H. Martin

Insects associated with black stain root disease of Douglas-fir in western Oregon

Creator:: Witcosky, Jeffrey John
Abstract:: The root systems of Douglas-fir trees infected with Verticicladiella wagenerii and assigned by crown color and terminal growth characteristics to several stages of decline were excavated at three widely separated sites in the Coast Range of Oregon. Data were gathered on insect species present, extent of colonization of the root...
Resource Type:: Masters Thesis
Full Text:: trees in the year of death and H. nigrinus damage occurred in 92% of these same trees. H. nigrinus and

Pterophoridae of Oregon

Creator:: Davis, John Emerson
Resource Type:: Masters Thesis
Full Text:: havc a series of eight spe- c1ens taken by Dr. H.. Scullen at Aneroid Lake in the Blue Mt. at an

Epidemiological implications of sporozoite aggregation in malaria vectors

Creator:: Li, Xiaohong, 1963-
Abstract:: This study describes and quantifies some microprocesses of malaria transmission including blood vessel location by Anopheles stephensi and sporozoites delivery of An. stephensi infected by Plasmodium berghei. The study models the effects of malaria parasite-induced changes in probing behavior and mosquito mortality on disease transmisson. Finally, host, vector, and parasitological...
Resource Type:: Dissertation
Full Text:: good scientist. I here express my appreciation to him. I thank Dr. Joel Davis, my committee member from

Biological activities of the harvester ant, Pogonomyrmex owyheei Cole, in central Oregon

Creator:: Willard, John Royal Alexander
Abstract:: The mound-building harvester ant, Pogonmyrmex owyheei Cole, (formerly included in the species occidentals) is widely distributed on the semi-arid rangeland east of the Cascade mountains in Oregon. Because of its seed foraging and vegetation clearing habits, this ant has been considered as a possible competitor with livestock and wildlife for...
Resource Type:: Masters Thesis
Full Text:: , Bohart, Dr. P. 0. Rltcher, and Dr. M, H. Hatch for their deterrnlnatlon of lnsecEs f,ound tr 3. owyheei

Classical biological control of the filbert aphid, Myzocallis coryli (Goetze) (Homoptera:Aphididae) in western Oregon

Creator:: Messing, Russell H.
Abstract:: A classical biological control project was undertaken against the filbert aphid, Myzocallis coryli (Goetze), in western Oregon. Hazelnut orchards in Spain, France, and Italy were searched for natural enemies of the aphid, and a parasitic wasp, Trioxys pallidus Haliday, was imported, quarantined, mass-reared, and released in Oregon orchards. The wasp...
Resource Type:: Dissertation
Full Text:: , Myzocallis coryli (Goetze) (Homoptera:Aphididae) in western Oregon AN ABSTRACT OF THE THESIS OF Russell H

Life history and production studies of Sialis californica Banks and Sialis rotunda Banks (Megaloptera : Sialidae)

Creator:: Azam, Khaja Mohammed
Abstract:: Comparative ecological studies of Sialis californica Banks and Sialis rotunda Banks were made in Western Oregon from 1966 to 1968. Field collections for S. rotunda were made in fish holding pond at the Oak Creek laboratories, 5 miles west of Corvallis, Benton County, and for S. californica in enriched sections...
Resource Type:: Dissertation
Full Text:: (MEGALOPTERA:SIALIDAE) Abstract approved: Redacted for Privacy Norman H. Anderson Comparative ecological studies of

A study of the Megaloptera of the Pacific coastal region of the United States

Creator:: Evans, Elwin D.
Resource Type:: Dissertation
Full Text:: STUDY OF THE MEGALOPTERA OF THE PACIFIC COASTAL REGION ,Or THE UNtjT5D STATES Abstract approved: N. H

Production biology of Glyptotendipes barbipes (Staeger) (Diptera : Chironomidae) in a waste stabilization lagoon

Creator:: Kimerle, Richard A.
Resource Type:: Dissertation
Full Text:: LAGOON Abstract approved: Redacted for Privacy N. H. Anderson Ecological studies of Glyptotendipes

ScholarsArchive@OSU

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

The biology of the blister mites, Eriophyes SPP., of pear and apple in the Pacific Northwest

Insects associated with black stain root disease of Douglas-fir in western Oregon

Pterophoridae of Oregon

Epidemiological implications of sporozoite aggregation in malaria vectors

Biological activities of the harvester ant, Pogonomyrmex owyheei Cole, in central Oregon

Classical biological control of the filbert aphid, Myzocallis coryli (Goetze) (Homoptera:Aphididae) in western Oregon

Life history and production studies of Sialis californica Banks and Sialis rotunda Banks (Megaloptera : Sialidae)

A study of the Megaloptera of the Pacific coastal region of the United States

Production biology of Glyptotendipes barbipes (Staeger) (Diptera : Chironomidae) in a waste stabilization lagoon

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