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Featured Image Above by Megan Asche

DAVID, Igbagbolere

M.S May 2024
Beekeeping management and Honeybee Health


Ph.D May 2024
Ecology of Agroecosystems and Biological control

ONAYEMI, Stephen

Ph.D May 2024
IPM, Pollinator sustainability


M.S May 2024
Theoretical and Empirical Modeling, Insect Ecology

WESTON, Kendra

M.S May 2024
Natural antibody levels in response to co-infection in Poultry


M.S. May 2023

Research: Plant-insect interactions, landscape ecology, pest management

WARE, Adam

M.S. December 2023

Research: Sustainable and integrative methods in apiculture and agricultural management. Honey bee genetics and breeding.

JOCSON, Dowen 

Ph.D. May 2023

Research: Pest management using vibrational communication to disrupt mating and reduce population size


M.S. 2022

Research: Apiculture, honey bee behavior and ecology

ASCHE, Megan – Ph.D. Candidate

Ph.D. Dec 2021

Research: An Investigation of Chemical Control Techniques For Polistes Paper Wasps

Sansar 2017BERGERON, Paul

M.S. May 2021

Research: Not All Predators Are Equal: Miticide Non-Target Effects and Differential Selectivity

Anna Webb WEBB, Anna

M.S. May 2021

Research: Exploring biological and chemical control methods in an integrated pest management approach for Varroa destructor in honey bee colonies

Pooja Headshot MALHOTRA, Pooja

M.S. May 2021

Research: Molecular and biochemical aspects of Plant-Insect-Virus interactions in legumes

benjamin lee LEE, Benjamin

Ph.D. May 2021

Research: Predator-prey interactions, disease ecology, and landscape ecology

KIRBY, Melanie

M.S. May 2021

Research: Sustainable beekeeping and honey bee breeding

James Hepler Photograph HEPLER, James

Ph.D. May 2021

Research: Brown Marmorated Stink Bug, landscape ecology, orchard risk assessment.

abigail-hayes HAYES, Abigail

Ph.D. May 2021

Research: The Wing Polyphenic Sand Cricket Gryllus Firmus: Morph Formation, Environmental Cues, and Transduction Mechanisms

COHEN, Abigailabigail-cohen

Ph.D. May 2021

Research: Conducting experiments studying the ecology of psyllid-Liberibacter-potato interactions.

AUTH, Connor

M.S. May 2021

Research: Increasing Accessibility of Honey Bee Semen Cryopreservation

Adrian Marshall MARSHALL, Adrian

Ph.D. May 2020

Research: Evaluating friendly controls (kaolin clay and reflective ground cover) on little cherry disease and leafhoppers that vector the X disease phytoplasma. His PhD at WSU was on cultural control of apple pests.


Rachel Olsson OLSSON, Rae

Ph.D. May 2020

Research: How environmental factors influence floral traits and how those traits might be attractive and influential to bee populations.


Liesl Oeller OELLER, Elisabeth

M.S. December 2019

Research: The pest communities in quinoa crops, and determining host-plant resistance of quinoa against various pest species.



Maggie Freeman FREEMAN, Maggie

M.S. December 2019

Research: Introducing a parasitoid wasp as a biological control agent of the lily leaf beetle.

Saffet Sansar SANSAR, Saffet

M.S. December 2019

Research: Beekeeping and Honey Bee Breeding




placeholder image YETIS, Fatime

M.S. December 2019



Greta Mae DupuisDUPUIS, Greta Mae

M.S. December 2019

Research: Development and validation of a degree-day model using weather system technology to better predict the emergence dates of alkali bees.


Adekunle AdesanyaADESANYA, Adekunle

Ph.D. May 2019

Research: Molecular Biology, especially with respect to pesticide resistance and integrated pest management.




Elias BloomBLOOM, Elias

Ph.D. May 2019

Research: The stability and diversity of native pollinator communities in urban and organic farming systems.



Dane ElmquistELMQUIST, Dane

Ph.D. May 2019

Research: Chemical Ecology of Insects


Joshua MilnesMILNES, Joshua

M.S. May 2019

Research: Parasitology with a focus on biocontrol of the Brown Marmorated Stink Bug, as well as the behavioral and chemical ecology of the oblique banded leaf roller through apple genotyping and integrated pest management.



Jonathan O'HearnO’HEARN, Jonathan

Ph.D. May 2019

Research: Researching different ways to design landscapes in sustainable agroecosystems to increase beneficial arthropods: natural enemies, parasitoids, and pollinators.



Robert OrpetORPET, Robert

Ph.D. December 2018

Research: Integrated Pest Management & Herbivory




Matthew JonesJONES, Matthew

Ph.D. December 2018

Research: Dung Beetle- Mediated Pathogen Suppression




Alix WhitenerWHITENER, Alix

Ph.D. May 2018

Research: Behavior and integrated pest management of Drosophila suzukii (Diptera: Drosophilidae) in Washington State sweet cherry.

Technical Services Manager for FMC



Megan AscheASCHE, Megan

M.S. May 2018

Research: Comparison of pollination behavior and health of three Apis mellifoera strains.

Ph.D. Program at Washington State University


Emily WineWINE, Emily

M.S. February 2018

Research: Long-Term Population Census and Nest Site Characterization of Managed Alkali Bee Population in Alfalfa Seed Production in South Central Washington.



Karol KreyKREY, Karol

Ph.D. June 2017

Research: Biological Controls, Integrated Pest Management, Molecular Ecology



Paul ChisholmCHISHOLM, Paul

Ph.D. May 2017

Research:Plant-insect-virus interactions, using the pea aphid and legumes as a model system.



Courtney GrulaGRULA, Courtney

M.S. August 2016

Research: Comparative studies of pollinator diversity among crops and adjacent riparian habitats.



Amanda MeadowsMEADOWS, Amanda

Ph.D. May 2016

Research: Lethal and Non-lethal Effects of Predators on Culex Mosquitoes: Implications for Pathogen Transmission.


Megan TaylorTAYLOR, Megan

Ph.D. May 2016

Research: Old World Honey Bee (Apis mellifera) Populations: A Genetic Resource for U.S. Honey Bee Breeding




Robert ZinnaZINNA, Robert

Ph.D. May 2016

Research: Proximate mechanisms of condition-dependent exaggerated weapon growth in the Asian rhinoceros beetle Trypoxylus Dichotomus

CDC in Arizona


Carmen Castillo CarrilloCASTILLO CARRILLO, Carmen

Ph.D. December 2015

Research: Psyllid ecology and biodiversity in the Pacific Northwest.

Returning to resume her position in Ecuador.


placeholder imageLANE, Janet

M.S., December 2015
Research: Modeling the Climatic Suitability of Fopius Arsinans and its Host Fly Bacteroceria Dorsalis.



Conor O'LearyO’LEARY, Conor

M.S. December 2015





Joseph SchwartzSCHWARTZ, Joseph

Ph.D. December 2015



Elizabeth D'AuriaD’AURIA, Elizabeth

M.S. August 2015

Research: Developing Decision-Support Tools for Insect Pests of Potato Crops in the Pacific Northwestern United States

Post Doc with Crowder Lab at Washington State University


Ivan MilosavljevicMILOSAVLJEVIC, Ivan

Ph.D. August 2015

Research: Ecology, biology, and management of wireworms (Coleoptera: Elateridae) in Pacific Northwest cereal crops.

Post Doc with Crowder Lab at Washington State University



Samantha WhitesideWHITESIDE, Samantha

M.S. May 2015

Research: Putting Limits on Larval Feeding Success for the Rocky Mountain Wood Tick (Dermacentor Andersoni).

Allen Institute of Brain Science in Seattle, WA



Adam StrongSTRONG, Adam

Ph.D May 2015

Research: Ecological and Biological Stress Effects on the Ground Squirrel Flea, Oropsylla Montana (Siphonaptera: Certiphyllidae)


Rebecca Schmidt-JeffrisSCHMIDT-JEFFRIS, Rebecca

Ph.D. May 2015

Research: Phytoseiids as Biological Control Agents of Phytophagous Mites in Washington Apple Orchards.

Post Doc researcher at Cornell University


Si-Pie LiuLIU, Si-Pei

M.S. May 2015

Research: Geometric Morphometric Analysis of Honey Bees (Apis mellifera) from Europe and the United States.

Ph.D. program at a University in Germany



Cami JonesJONES, Cami

Ph.D. May 2015

Research: Biotic Factors Affecting Tick Blood Feeding: Exploring Interactions of Deer Mice and Rocky Mountain Wood Ticks


James Hust

M.S. May 2015

Research: Functional Analyses of Fat Signaling Genes During Exaggerated Horn Growth in the Asian Rhinoceros Beetle Trypoxylus Dichotomus (Coleoptra: Scarabaeidae)

Government agency in Oregon




Amalia HermaHERMA, Amalia

Posthumous, Ph.D. May 2015

Research: Characterization of Insecticide Resistance Mechanisms in the Western Tarnished Plant Bug, Lygus Hesperus (Hemiptera:Miridae)




Natalie BoyleBOYLE, Natalie

Ph.D. May 2015

Research: Pollinator-Mediated Gene Flow in and Among Fields of Alfalfa Produced Seeds

Post Doc with Doug Walsh


Tariq MustafaMUSTAFA, Tariq

Ph.D. December 2014

Research: Comparative Biology of Potato Psyllid Bactericera Cockerelli (Hemiptera: Triozidae) Haplotypes

Post Doc at USDA/ARS Wapato, Washington


Brandon HopkinsHOPKINS, Brandon

Ph.D. May 2014

Research: Artificial Reproductive Techniques in Honey Bees: Sperm Cell Physiology, Semen Collection and Storage

Manager for WSU Apiculture Laboratory


Amelia JordanJORDAN, Amelia

M.S. May 2014

Research: A Qualitative Survey of Native Bees in and Near Alfalfa (Medicago Sativa) Seeds in Washington State

Ph.D. program at Oregon State University



Mu QiaoQIAO, Mu

M.S. May 2014

Research: Individual and Population-level Toxicity of the New Generation Insecticide, Rynaxypyr to the Cladoceran, Ceriodaphnia dubia


Amber Vinchesi

Ph.D. May 2014

Research: Assessing Transportation Impacts to Alkali Bees (Hymenoptera: Halictidae) and Alfalfa Seed Production in the Walla Walla Valley

Post Doc at Oregon State University-Hermiston Ag. Res. & Ext Ctr.




Ryan RaylRAYL, Ryan

M.S. December 2013

Research: Efficacy of Nanophyes marmoratus Goeze (Coleoptera: Brentidae) attack on Lythrum salicaria L. (Lythraceae) seed production and population dynamics in Eastern Washington

Fellowship in PhD program at Lincoln University in New Zealand


Tara PiraneoPIRANEO, Tara

M.S. December 2013

Research: Acaricide Resistance of the Two-Spotted Spider Mite (Tetranychus Urticae) in Pacific Northwest Hops


Charlie CoslorCOSLOR, Charlie

M.S. August 2013

Research: Effeccts of Neoicotinoids on Adult and Immature Drosophila Suzukii in the Laboratory and in an Experimental Blueberry Field

Ph.D. Program at Michigan State University


Cole PearsonPEARSON, Cole

M.S. August 2013

Research: Characterization and Correlation of Electrical Penetration Graph (EPG) Waveforms of the Psyllid Bactericera cockerelli (Hemiptera: Triozidae)

Marrone Biological Innovations, Davis, CA


Brian BahderBAHDER, Brian

Ph.D. May 2013

Research: Pheromone-Based Monitoring of Pseudococcus maritimus & Intra- and Interspecific Vector Efficiency of Parthenolecanium corni & Pseudococcus maritimus Among & Between Vitis x labruscana L and Vitis vinifera

Post doc at University of California-Davis


Christine LynchLYNCH, Christine

Ph.D. May 2013

Research: Exploring Consumption by Two Generalist Hemipteran Predators in Potatoes Using Molecular Gut Content Analysis and Behavioral Studies

Post doc at University of Hawaii


John NiedbalaNIEDBALA, John “Jack”

M.S. May 2013

Research: Biology of a Little Known Weevil Polydrusus impressifroms Gyllenhal(1834) Coleoptera: Curculionidae In an Irrigate Hybrid Poplar Plantation In the PNW

Research Tech in Crops and Soils at Washington State University


Andrew RodstromRODSTROM, Andrew R.

Ph.D. May 2013

Research: Terrestrial Insect Communities and Novel Pest Management Strategies in PNW Hybrid Poplar Plantations

Scientist at GreenWood Industries in Oregon


Anne Vander VlietVANDER VLIET, Anne

M.S. May 2013

Research: Effects of Host Immunity, Pathogen Infection & Environmental Factors on the Fitness of the Rocky Mountain Wood Tick (Dermacentor andersoni)

Las Cruces, NM, Dangerous/Exotic Animal Control


Luis Martinez-RochaMARTINEZ-ROCHA, Luis

M.S. December 2012

Research: Effects of Pesticides and three Sulfur-Based Products on Integrated Mite Management in Washington State

 Ph.D. program at University of Idaho


Auriel-Robert VilaireVILAIRE, Auriel-Robert

M.S. December 2012

Research: Effects of Host Immunity, Pathogen Infection & Environmental Factors on the Fitness of the Rocky Mountain Wood Tick (Dermacentor andersoni)

Software developer at Randstand


Natalie BoyleBOYLE, Natalie

M.S. May 2012

Research: Sublethal Effects of Brood Comb Pesticide Residues on Honey Bee (Hymenoptera: Apidae) Colony Health

Ph.D. Program at Washington State University


Matthew OlsenOLSEN, Matthew

M.S. May 2012



Joyce ParkerPARKER, Joyce

Ph.D. May 2012

Research: Diversity by design: Exploring the use of trap crops and companion plants to control Phyllotreta cruciferae, the crucifer flea beetle, in broccoli

Accepted a position with Rutgers University Extension Service


Teah SmithSMITH, Teah

M.S. May 2012

Research: Effects of Flight and Sublethal Pesticide Residues on Codling Moth, Cydia Pomonella (Linnaeus), Obliquebanded Leafroller, Chorioneura Rosaceana (Harris), and Convergent Ladybird Beetle, Hippodamia Convergens (Guérin-Méneville)

Working at WSU Tree Fruit Research & Extension Center with Vince Jones


Amber VinchesiVINCHESI, Amber

M.S December 2011

Research: Manipulation of Soil Temperatures to Influence Brood Emergence in the Alkali Bee (Nomia Melanderi Cockerell)

Ph.D. program at Washington State University



Alejandro Del PozoDEL POZO, Alejandro

M.S. December 2011

Research: Describing the Natural History & Control of Two Defoliators (Orthosia hibisci & Gluphisia septentrionis) in the PNW Hybrid Poplars

Ph.D. Program at North Carolina St. at Raleigh


Lessando GontijoGONTIJO, Lessando

Ph.D. December 2011

Research: Integrated Biological Control of Woolly Apple Aphid in Washington

Post-doc position in Brazil


Erin HollingberyHOLLINGBERY (EAKIN), Erin

M.S. December 2011

Research: Effectiveness of Reduced-Cost Management of Green Peach Aphid in Potato with Single Treatment Seed-Applied Neonicotinoid Insecticide, and Definition and Linkage of Parasitoid Guilds of Aphids in Potatoes and Rabbitbrush in WA State


Nikolai WimanWIMAN, Nikolai

Ph.D. December 2011

Research: Ecology of Tachinid Parasitoids (Diptera) and Biological Control of Leafroller Pests (Tortricidae) in WA Tree Fruit

Post-Doc at Oregon State University


Jeremy BuchmanBUCHMAN, Jeremy

M.S. May 2011

Research: Vector Efficiency of the Potato Psyllid, Bactericera cockerelli (Sulc) in Zebra Chip Disease Epidemiology: The Effects of Life Stage, Inoculation Access Period and Vector Density
 Frito-Lay Co. doing potato research Rhinelander, MI


Tobin NorthfieldNORTHFIELD, Tobin

Ph.D. May 2011

Research: Resource Partitioning by Predators Impacts Insect Communities

Lecturer at James Cook University, Townsville, Australia


Changqing ZhouZHOU, Changqing

M.S. May 2011

Research: Identification of Lygus Bugs by DNA Barcoding for Integrated Pest Management

Research Assistant at University of Illinois-Urbana/Champaign



CLARKE, Abigail – M.S. Student

Advisor: Dr. Tobin Northfield Email:
Interest: Insect ecology, IPM, Biological control
Education:  B.S. in Insect Ecology & Conservation and Agriculture & Natural Resources with a minor in Landscape Horticulture and Design, University of Delaware

If you are interested in alumni pre-May 2011, please contact the office.