Employee Directory

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Man Yeon Choi
Courtesy Appointment
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My research focus is on insect proteomics, RNAi, molecular physiology, and chemical ecology to develop novel pest managements and to understand biological questions.

  1. Development of RNA inference (RNAi)-based insecticide to protect small fruits and nursery crops.
  2. Insect...
George Hoffman
Research Associate
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Integrated Pest Management, crop pollination, slugs, mites, blue orchard bees (Osmia)

Louisa Hooven
Assistant Professor (Sr Res)
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John Lambrinos
Associate Professor
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We are beginning to understand that interactions between landscape elements underlie many of the important issues we face as a human society. I am fascinated by the ecological processes that tie landscapes together.

  • On-farm habitat restoration.
  • Habitat for beneficial insects...
Gail Langellotto
Associate Professor, Urban and Community Horticulture Extension, Statewide Master Gardener Program Coordinator
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The ecology of urban and suburban landscapes remains relatively unexplored - although such habitats have great potential to positively contribute to the conservation of pollinators, parasitoids and the ecosystem services that they confer. 

Working with the OSU Extension Master Gardeners,...

Jana Lee
Courtesy Appointment
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Sujaya Rao
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Pest Management in Grass Seed and Rotational Crops
Native Bee Pollinators in Agricultural and Native Landscapes

Pest Management in Grass Seed and Rotational Crops:

Objectives of the program: 1) Identify new pests entering Oregon, and determine their pest status; 2) Examine...

Stuart Reitz
Professor and Extension Faculty, Cropping Systems
(541) 881-1417
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Responsible for Extension and Research programming related to cropping systems in Malheur County.

Silvia Rondon
Associate Professor, Extension Entomologist
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IPM, Biological Control, Insect Ecology, Integrated Pest Management

The goal of my research program is to develop and implement cost-effective reduced-risk Integrated Pest Management (IPM) practices for irrigated crops in eastern Oregon, including potatoes, onions, corn, wheat, etc.  This...

Robin Rosetta
Associate Professor
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  • Nursery/greenhouse integrated pest management
  • Biological control implementation
  • Management of honeylocust pod gall midge and root weevils
  • Current research areas include borers in nursery production and management of rose midge
Ramesh Sagili
Assistant Professor-Apiculture
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Honey bee health, nutrition, pheromone biology, and pollination.

Vaughn Walton
Professor, Horticultural Entomologist
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I work on economically important pests, with the aim to provide environmentally sustainable and minimal impact pest management strategies for agriculturalists in Oregon and further afield. Mutiple techniques are used in a whole-system approach to obtain sustainble means of production...

Nik Wiman
Assistant Professor
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Nik Wiman is a postdoctoral associate working on the Brown Marmorated Stink Bug (BMSB), Halyomorpha halys. This insect is an invasive pest that poses a major threat to Oregon specialty crops. His projects include state-wide surveys for BMSB, evaluation of natural enemies of...

Research Support Directory

Faculty Research Assistant
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Carolyn Breece
Faculty Research Assistant
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Daniel Dalton
Senior Faculty Research Assistant I, Entomology
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Primary responsibilities include:

  • Research on biological aspects of Drosophila suzukii;
  • Examination of biological control agents that may impact Drosophila suzukii populations;
  • ...
Jessica Green
Faculty Research Assistant
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I work on integrated pest management options for vegetable, mint, and small fruit cropping systems in the Willamette Valley.

  • Biological control of field bindweed and integration into perennial cropping systems 

  • Insecticide resistance (IR) and efficacy trials...

Richard Hilton
Senior Faculty Research Assistant II, Ag Entomologist
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  • Development and implementation of methods for pear pest management in certified organic orchard systems.
  • Mating disruption and microbial controls for major pest species.
  • Conservation of natural enemies.
Betsey Miller
Instructor, Ecampus and Research Assistant, IPM (Walton Lab)
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I teach an undergraduate course in entomology. My goal in teaching entomology to non-entomologists is to provide insight into a group of organisms that is largely ignored. The vast and varied world of insects impacts human society more than we think.

My IPM research work focuses on...

Carol Mills Contact person by email

Bio Science Research - Entomology

Insect Identification

Alexzandra Murphy
541-567-6337 x105
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I am a native of Hermiston Oregon and am currently working on the economic threshold for the beet leafhoppers in potatoes in the Columbia Basin. Beet leafhoppers vector a phytoplasma, known as beet leafhopper-transmitted virescence agent (BLTVA) that causes purple top disease in potatoes.


Directory of other affiliated facutly

Associated Faculty
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Leonard Coop Assistant Professor (Sr Res) Contact person by email

Sandra DeBano Associate Professor of Wildlife Ecology 541-567-6337
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My research focuses on the roles that terrestrial invertebrates play in linking riparian areas with adjacent streams and uplands, especially in arid and semi-arid lands.  Current research interests include examining the effect of various aspects of riparian condition on the abundance, diversity...

Joseph DeFrancesco Assistant Professor, Sr. Research (541) 737-0718
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Extension IPM, Small fruit

Gwendolyn Ellen Coord-Conservation BioControl 541-737-6272
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Jadwiga Giebultowicz Professor 541-737-5530
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Paul Jepson Professor and Director of IPPC
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  • Integrated pest management, including pesticide application, efficacy, drift management and ecological risk management
  • Population level risk assessment, particularly the importance of scale, landscape factors and long-term population processes
  • Applications of basic ecology...
Hang-Kwang Luh Assistant Professor (Sr Res) 541-737-6491
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David Lytle Sabbatical 541-737-1068
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David Madison Contact person by email

Christopher Marshall Mgr-Collection Curator 541-737-4349
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Peter Mc Evoy Professor 541-737-5507
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Andrew Moldenke Courtesy Appointment 541-737-5496
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Darrell Ross Professor 541-737-6566
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David Shaw Associate Professor 541-737-2845
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David Wooster Associate Professor of Fisheries 541-567-6337
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My research interests would be stream ecology, aquatic invertebrate biology, restoration effectiveness monitoring, stream food webs, stream and riparian linkages.