Index Catalog // ScholarsArchive@OSU

Alternative Controls for Stephanitis pyrioides in the Pacific Northwest.

Creator:: Graham, Katerina V.
Abstract:: The azalea lace bug (Stephanitis pyrioides Scott) is a global pest of rhododendrons and azaleas (Rhododendron spp.). It is originally from Asia, has been established in the eastern U.S. for the past century, and was recently detected in the Pacific Northwest in 2008-2009. Stephanitis pyrioides feeds on the underside of...
Resource Type:: Masters Thesis

A review of the Lepturinae (Coleoptera: Cerambycidae) of the Pacific Northwest, with special attention to the elderberry longhorn beetle, Desmocerus Dejean

Creator:: Schapker, Philip A.
Abstract:: Here presented is a photographic catalogue, a key, and literature review for the 35 genera and 90 species of lepturine longhorn beetles (Cerambycidae: Lepturinae) found in the Pacific Northwest. Several nomenclatural changes, recognized by the global taxonomic community, but previously unknown to North American authors, are adopted, and one new...
Resource Type:: Masters Thesis
Full Text:: , Gail Langellotto, and John Falk, for their time spent critically reading and discussing earlier

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Creator:: Moulton, Laurel A.
Abstract:: The omnivorous ground beetle, Pterostichus melanarius Illager (Coleoptera: Carabidae), is a ubiquitous inhabitant of western Oregon crop land. Because it is often the most abundant ground beetle, and attains densities that could lead to serious impacts on its prey sources, I sought to understand the overall diet composition, and specifically...
Resource Type:: Masters Thesis
Full Text:: weed management community. I am grateful to all of my committee members. I wish to thank Gail

The Role of Diurnal Light, Temperature, and Forced Egg Retention on Spotted Wing Drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae) Survival and Ovipositional Rates

Creator:: York, Riki M.
Abstract:: Drosophila suzukii (Diptera: Drosophilidae) is a devastating pest that attacks thin-skinned stone and small fruit in all major production regions of the United States and worldwide. D. suzukii first appeared in the United States in 2008 and is believed to be native to Southeast Asia. This vinegar fly has a...
Resource Type:: Masters Thesis

Insights into Novel Non-Fumigant Nematicides: Physiological and Cellular Responses of Meloidogyne Incognita and Other Plant-Parasitic Nematodes

Creator:: Wram, Catherine L.
Abstract:: Plant-parasitic nematodes (PPN) pose a severe threat to crop production with the economic losses due to nematode parasitism in excessive of US$ 80 billion each year. Meloidogyne incognita, a globally distributed pest with a diverse host range, contributes significantly to this economic loss. The most reliable way to manage PPN...
Resource Type:: Dissertation
Full Text:: Denver, Cynthia Gleason, Molly Megraw, and Gail Langellotto. I greatly appreciate their service on my

Governing By Nature

Creator:: Rhodes, Mericos H.
Abstract:: The choice of what to eat is political, and food systems shape and are shaped by political and economic power. During the last several hundred years, agricultural and food power has been consolidated to an unprecedented degree, and this consolidation continues today. This paper will describe this process as “Governing...
Resource Type:: Masters Thesis
Full Text:: , and good bench spots; to Gail Langellotto for good counsel and ecological wisdom; and to Jacob

Elucidating Key Aspects of the Biology of Select Species of Snail-killing Flies (Diptera: Sciomyzidae) in Oregon

Creator:: Alzahrani, Fares
Abstract:: Members of the family Sciomyzidae, known as snail-killing or marsh flies, are unique amongst insects in that the vast majority of reared species feed exclusively on mollusks and as a result their biological control potential has been well documented in the scientific literature. However, in North America there is a...
Resource Type:: Masters Thesis
Full Text:: members, Dr. Andrew Hulting, Dr. Gail Langellotto, and Dr. Klaus Puettmann for their encouragement

The Impact of Temperature on Halyomorpha halys (Hemiptera: Pentatomidae) Life Table Parameters and Feeding Pressure

Creator:: Maslen, Erika A.
Abstract:: Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an invasive insect pest that has become established and problematic in the Pacific Northwest. Known colloquially as the brown marmorated stink bug (BMSB), H. halys causes direct damage through feeding activity on a wide range of agronomic and horticultural crops. The objectives of this...
Resource Type:: Masters Thesis
Full Text:: my goals. Thank you to my committee members, Gail Langellotto and Aymeric Goyer for their advice

Effects of pollen collected by honey bees from pollination dependent agricultural cropping systems on honey bee nutrition

Creator:: Topitzhofer, Ellen
Abstract:: Managed honey bee (Apis mellifera L.) colonies are important pollinators of many cultivated crops. Honey bee colony declines averaging 30% annually in the United States for the past 7 years have caused significant concern and hence have been a topic of intensive investigation. These declines are reportedly due to multiple...
Resource Type:: Masters Thesis
Full Text:: Dr. Gail Langellotto has helped me in professional development. I also thank my GCR, Dr. Chris

Farmer perspectives on success and challenges : a study of small farms in Oregon's Willamette Valley

Creator:: Pool, Kristin E.
Abstract:: This thesis investigates the success of and challenges facing small farmers operating direct marketing farm businesses in Oregon's Willamette Valley. This qualitative study utilizes participatory methods to gain the unique perspectives of small farmers regarding their success and challenges. Small farms are important players in local food systems and ensuring...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Alternative Controls for Stephanitis pyrioides in the Pacific Northwest.

A review of the Lepturinae (Coleoptera: Cerambycidae) of the Pacific Northwest, with special attention to the elderberry longhorn beetle, Desmocerus Dejean

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

The Role of Diurnal Light, Temperature, and Forced Egg Retention on Spotted Wing Drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae) Survival and Ovipositional Rates

Insights into Novel Non-Fumigant Nematicides: Physiological and Cellular Responses of Meloidogyne Incognita and Other Plant-Parasitic Nematodes

Governing By Nature

Elucidating Key Aspects of the Biology of Select Species of Snail-killing Flies (Diptera: Sciomyzidae) in Oregon

The Impact of Temperature on Halyomorpha halys (Hemiptera: Pentatomidae) Life Table Parameters and Feeding Pressure

Effects of pollen collected by honey bees from pollination dependent agricultural cropping systems on honey bee nutrition

Farmer perspectives on success and challenges : a study of small farms in Oregon's Willamette Valley

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