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Crowder Laboratory WSU Department of Entomology

People

Mother of Dragons and Head of Finance

Dr. David CrowderDave Crowder
Professor of Entomology
Director of the WSU Decision Aid Systems
Affiliate Faculty – Graduate Program in Molecular Plant Sciences

Dave uses theory, experiments, and observational studies to assess the ecology of insects in agricultural systems. more

 

Lab Coordinator

Liesl Oeller

Liesl received their MS in Entomology in 2019. They keep Dave on task so that the lab and DAS run smoothly; Liesl has our lab’s hardest job.

 

Postdoctoral Scientists and Research Professors

Dr. Javier Illan (Research Assistant Professor)

Javier uses ecological modelling to study invasive species and biodiversity, and is involved in teaching and outreach in Entomology and Pesticide Education.

Dr. Gengping Zhu (Research Assistant Professor)

Gengping is interested in distributional ecology and ecological niche modeling, with a particular focus on invasive insect pests.

Dr. Diego Rincon (Postdoctoral Scholar)

Diego is evaluating pest population dynamics. He received his BS in Biology from Pontificia Universidad and his PhD from Ohio State.

Dr. Riley Anderson (Postdoctoral Scholar)

Riley is the lab’s statistics guru. He received his BS from the U Nevada Reno and his PhD in Biology from Wesleyan.

Dr. Owusu Aidoo (Postdoctoral Scholar)

Owusu focuses on modeling invasive species distributions and impacts. He has a MS from the U of Ghana and a PhD from the U of Bonn.

 

Dr. Jose-Maria (Chema) Garcia Carrasco (Postdoctoral Scholar)

Chema is interested in disease ecology and pathogeography, and is working on tick-borne diseases impacting cattle in the US and North America.

 

Graduate Students

Emily Rampone
PhD Candidate in Entomology

Emily is focused on helping farmers make decisions. She received her BA from the U of Vermont and has a decade of experience working in the Senate

Camille Wagstaff
PhD Candidate in Molecular Plant Sciences

Camille focuses on insect-borne pathogens and received her BS in Anthropology from Boise State. She is active in MPS and doing outreach.

Salena Helmreich
PhD Candidate in Entomology

Salena is assessing the biology and health of wild and managed bees in various crop systems

Chase Baerlocher
PhD Candidate in Molecular Plant Sciences

Chase is studying how biotic and abiotic stressors affect legume-rhizobia interactions in dryland cropping systems.

Taydin Macon
PhD Candidate in Entomology

Taydin received his BS in Physics and BA in Philosophy from Loyola Marymount and joined the lab in 2023. Their work focuses on honey bee health.

Michelle Marcano
MS Candidate in Entomology

Michelle is interested in spatial ecology of vector-borne pathogens. She has a BS from Simon Bolivar University and a MS from Malaga U.

Technical Staff

Stefano Borghi
Decision Aid System Lead Developer

Stefano oversees the DAS team working on our tree fruit and potato platforms. He is originally from Bologna and went to the U of Bologna.

Jesse Trammel
Decision Aid System Developer

Jesse is a developer for the DAS who is currently based in Charlotte, North Carolina.

Christopher Gorman
Biological Science Technician

Chris is conducting molecular diagnostics of plant pathogens in potato pests of the Columbia Basin. He received his MS in Plant Pathology from Auburn.

Anna Rodgers
Biological Science Technician

Anna joined the lab in summer 2020 and continued as a technician after graduating in 2023. She helps manage the molecular lab.

Jea-hee Kwak
Biological Science Technician

Jea-hee is conducting chemical analysis of pheromones for improved hornet traps. She received her MS in Plant Pathology from WSU.

Izzy McDonald
Data Analytics Technician

Izzy joined the lab in 2023 to assist with research on codling moth population dynamics modeling, and continued in the lab after graduation.

Kate Prophet
Data Analytics Technician

Kate joined the lab in 2023 and is working on modeling population dynamics of potato pests; she continued in the lab after graduation

Undergraduate Students

Ari Espinosa
Pursuing BS in Biology with an Entomology Minor

Ari joined the lab summer of 2022 and is assisting with various molecular ecology projects

Logan Mock
Pursuing BS in Computer Science

Logan joined the lab in 2024 and is working on improving the WSU Decision Aid System


Audrey Coon
Pursuing BS in Microbiology

Audrey joined the lab fall of 2024 and is assisting with various molecular ecology projects

Abigail Clough
Pursuing BS in Zoology (Entomology minor)

Abigail joined the lab fall of 2024 and is assisting with various molecular ecology projects

 

Lab Alumni

Dr. Saumik Basu
(Postdoc 2017-202023, Research Assistant Professor, 2023-2024)

Saumik studied molecular and biochemical aspects of virus transmission by aphids, and led our molecular lab. He is now an assistant professor at the U of Georgia.

 

Dr. Savannah Bartel

Savannah evaluated the cascading effects of Tasmanian devil declines on scavenging food webs. She now works as a scientist at the US Geological Survey./

Olivia Shaffer
MS in Entomology (2021-2023)

Olivia tested if stability of plant-pollinator networks was mediated by landscape composition. She is currently a data scientist in the private sector.

Dr. Dowen Jocson
PhD in Entomology (2018-2023)

Dowen worked on mate disruption for pear psylla and won the 2023 John Henry Comstock Award. She currently works for the WSU Pesticide Education Program.

Jillian Foutz
MS in Entomology (2020-2023)

Jillian worked with beet leafhopper to understand how the insects move from weedy non-crop hosts into potatoes. She currently works for the USDA-ARS.

Megan Blance
MS in Entomology (2020-2022)

Megan worked on understanding outbreaks of insect pest populations in cereal crops. She is currently a data scientist in Seattle, WA.

Dr. Vera Pfeiffer
Postdoc (2019-2022)

Vera used landscape genetics to study how canola influenced bumble bee populations. She is currently working for the Washington State Department of Ecology

Dr. Abigail Cohen
PhD in Entomology (2016-2021)

Abigail assessed factors affecting psyllid populations and Liberibacter. She is currently a postdoc at Michigan State University

Dr. Ben Lee
PhD in Entomology (2016-2021)

Ben explored how predators affected the spread of plant viruses. He is an Agroecologist for the California Department of Food and Agriculture.

Pooja Malhotra
MS in Entomology (2019-2021)

Pooja conducted research on how rhizobial bacteria affect interactions between aphids, pea plants, and viruses. She works as a technician at the Uof Georgia.

Dr. Robert Clark
Postdoc (2016-2020, Research Assistant Professor 2020-2023)

Rob studied how host plant variation and predator effects impact vector biology. He currently runs a consulting company (https://www.ecodata.tech/)

Liesl OellerLiesl Oeller
MS in Entomology (2018-2020)

Liesl’s MS thesis focused on understanding pests in quinoa crops. After a stint in Michigan they looped back to Pullman to become the lab manager.

Dr. Rae Olsson
PhD in Entomology (2015-2020)

Rae’s PhD dissertation focused on pollinator health in canola crops. They are currently an Assistant Professor of Entomology at WSU.

Maggie Freeman
MS in Entomology (2017-2019)

Maggie conducted research on biological control of lily leaf beetle. She is currently a lab manager at Oregon State.

Dr. Eli Bloom
PhD in Entomology (2013-2019)

Eli studied the stability and diversity of native pollinator communities in urban and organic farming systems. He is currently a postdoc at Cornell

Dr. Robert Schaeffer
Postdoc (2016-2018)

Robert studied cross-kingdom interactions involving plants, pollinators, and microbes in natural and agricultural systems. He is an Assistant Professor at Utah State

Dr. Robert Orpet
PhD in Entomology (2014-2018)

Robert assessed factors influencing the population dynamics of woolly apple aphids. He is currently is an Assistant Professor at Oregon State.

Dr. Paul Chisholm
PhD in Entomology (2013-2017)

Paul studied plant-insect-virus interactions, using the pea aphid and legumes as a model system. He currently works for the US Forest Service

Dr. Ivan Milosavljevic
PhD in Entomology (2011-2015)
Postdoc (2015-2016)

Ivan studied the ecology and management of wireworms in cereal crop systems. He currently works as for the Citrus Board in California.

Dr. Eric Moise
Postdoc (2016)

Eric studied community and disease ecology, using the potato psyllid and Solanaceous plants as his model system. He is currently a research leader at the Canadian Forest Service

Dr. Elinor LichtenbergDr. Elinor Lichtenberg
Postdoc (2013-2015)

Elinor’s research focused on the effects of farming landscapes on pollinator behavior. She is currently an assistant professor at the U of North Texas

Elizabeth D’Auria
MS in Entomology (2013-2015)

Lizz developed decision-support tools to improve pest management for potato crop. She is currently a lab manager at Cornell

Elliott Moon
MS in Statistics (2011-2013)

Elliott studied landscape ecology of herbivorous and predacious insect communities. He works as a GIS technician in Seattle