western corn rootworm

Eric Y Yu

Area of Expertise: 
Life-History Tradoffs
M.S. Student

I graduated from Concordia College in December of 2014 After graduating I did lab work at North Dakota State University, in the entomology department, working with invasive species.

I joined the Gassmann lab in May of 2016 and I will be working on getting my master's. The title of my project is "Understanding dispersal by western corn rootworm: effects of larval density on flight and effect of flight on female reproduction".

Kenneth E Masloski

Area of Expertise: 
Plant-Insect Interactions
Ph.D. student

I graduated from Oklahoma State University in May of 2014 with an M.S. in Entomology and Plant Pathology.  My thesis is titled "Comparative Sampling Methods and Community Composition of Grasshoppers (Orthoptera: Acrididae) in Northern Bobwhite Habitat."  My research uncovered ways in which Acrididae subfamilies partition resources (food and oviposition space) and how that may impact northern bobwhite that rely on them for prey.

Dr. John W Doudna

Area of Expertise: 
Insect Resistance Management
Local Adaptation in Novel Ecosystems
Postdoctoral Research Associate

Dr. Doudna studied the distribution of Bt-resistant western corn rootworm (WCR) (Diabrotica virgifera virgifera) throughout Iowa, and how the evolution and spread of resistance are impacted by field management and landscape characteristics. He sampled sites throughout Iowa and used GIS to evaluate landscape and management parameters associated with the presence of resistance.

Stephen Thompson

Area of Expertise: 
Insect Resistance Management
M.S. in Entomology from Iowa State University

I am characterizing the genetics of western corn rootworm strains that have been selected for survival on maize expressing the Cry34/35Ab1 insecticidal proteins.  I also work full time for DuPont-Pioneer.

Ryan Keweshan

Area of Expertise: 
Insect Resistance Management
M.S. in Entomology from Iowa State University

Ryan completed a master's degree studying interactions of western corn rootworm with Bt corn.  He measured that standing level of genetic variation for larval survival on CryBb1 corn and corn that was pyramided to produce both Cry34/35Ab1 and Cry3Bb1.  He also quantified the level of survival for western and northern corn rootworm on Bt and non-Bt corn in the field.

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