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Chalk brood disease in the leafcutting bee

Creator:: Stephen, W. P., Undurraga O., Jaime M., and Oregon State University. Agricultural Experiment Station
Abstract:: Published January 1978. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: when the nesting medium was tested. LITERATURE CITED Bailey, L. 1963. Infectious diseases of the

History and distribution of bee diseases in Oregon

Creator:: Black, A. Burr
Abstract:: This thesis is a discussion of the major bee diseases found in Oregon with notes on minor ailments of bees and on diseases not yet present followed by a history of the introduction and spread of the more important diseases, a history of bee legislation in Oregon and a discussion...
Resource Type:: Masters Thesis
Full Text:: DISEASES AND AILMENTS OF BEES Sac brood. is an infectious disease of bees found in all sections of

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

Creator:: Vandenberg, J. D. (John Donald)
Abstract:: Chalkbrood is a mycosis of larvae of the alfalfa leafcutting bee, Megachile rotundata (Fabricius). It is a serious threat to alfalfa seed growers in western North America who use populations of this bee for pollination. Basic studies were conducted to determine the etiology of this disease and the course of...
Resource Type:: Dissertation
Full Text:: emerging from populations with high disease incidence (Vandenberg et al. 1980). We later followed the

The biology and control of the insect vectors of potato viruses in Oregon

Creator:: Crumb, S. E. (Samuel Ebb)
Resource Type:: Dissertation
Full Text:: ) 1. Potato virus diseases are the limiting factor in the production of potatoes for seed in Oregon

Some factors affecting aphid transmission of cucumber mosaic virus

Creator:: Stimmann, Michael W.
Abstract:: The frequency of aphid transmission of cucumber mosaic virus from diseased plants at different times after inoculation was determined. A cycle of infectious virus was found. Primary leaves of lima bean plants were inoculated mechanically when the first trifoliate leaf appeared and were kept at different temperatures. At 24° C...
Resource Type:: Dissertation
Full Text:: different times after inoculation was de- termined. A cycle of infectious virus was found. Primary leaves

Transmission efficiency and life table parameters of western flower thrips, Frankliniella occidentalis (Pergande) exposed to tomato spotted wilt virus-impatiens serotype

Creator:: Sether, Diane M.
Abstract:: Peppermint, Mentha piperita 'Black Mitcham' was established as a host for tomato spotted wilt virus-impatiens serotype (TSWV-I). TSWV-I infection of peppermint, initially observed in a research greenhouse (Corvallis, OR), included stunting and downward curling of leaves accompanied by bronzing, and occasionally tip necrosis. Young leaves appeared either symptomless, deformed, or...
Resource Type:: Masters Thesis
Full Text:: . Components of the disease pyramid for vector-borne diseases. 68 List of Tables Table 2.1. ELISA analysis

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:: widely used in infectious disease studies (Bailey 1975; Bailey 1977; Anderson 1982). More recently

Seasonal distribution, sex attractants, and applied biology of the strawberry crown moth, Synanthedon bibionipennis (Boisduval), in Oregon (Lepidoptera:Sesiidae)

Creator:: Wilmot, Thomas Ray
Resource Type:: Masters Thesis
Full Text:: representing the daily number of moths emerging in the cages is similar to but slightly ahead of that for the

Life history and habits of the strawberry crown-moth Aegeria rutilans

Creator:: Hills, Orin A.
Resource Type:: Masters Thesis

Labops hesperius Uhler : biology and impact of Oregon rangelands (Hemiptera: Miridae)

Creator:: Todd, James Gordon
Abstract:: The seasonal development and habits of Labops hesperius Uhler were studied in rangeland seeded to intermediate wheatgrass (Agropyron intermediurn (Host) Beauv. ) in Baker County, Oregon, The first nymphs appeared on March 22, and required about one week to complete each of the five nymphal stadia. Most small nymphs stayed...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Chalk brood disease in the leafcutting bee

History and distribution of bee diseases in Oregon

Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

The biology and control of the insect vectors of potato viruses in Oregon

Some factors affecting aphid transmission of cucumber mosaic virus

Transmission efficiency and life table parameters of western flower thrips, Frankliniella occidentalis (Pergande) exposed to tomato spotted wilt virus-impatiens serotype

Epidemiological implications of sporozoite aggregation in malaria vectors

Seasonal distribution, sex attractants, and applied biology of the strawberry crown moth, Synanthedon bibionipennis (Boisduval), in Oregon (Lepidoptera:Sesiidae)

Life history and habits of the strawberry crown-moth Aegeria rutilans

Labops hesperius Uhler : biology and impact of Oregon rangelands (Hemiptera: Miridae)

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