fitness costs

Amanda (Hoffmann) Sorgatz

Area of Expertise: 
Fitness Costs of Bt Resistance
M.S. in Entomology from Iowa State University

For her master's degree, Amanda tested whether the ecological important variables of host-plant resistance and entomopathogens could affect the magnitude and dominance of fitness costs associated with resistance to Cry3Bb1 in western corn rootworm.

Aubrey Paolino

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

Aubrey's research addressed fitness costs of Bt resistance and inheritance of resistance traits in western corn rootworm.


Gassmann, A. J. and Clifton, E. H.  In Press.  Current and potential applications of biopesticides to manage insect pests of maize.  In Lacey, L. A. (ed).  Microbial Control of Insect and Mite Pests: From Theory to Practice.  1st edition.  Elsevier, London.

Dunbar, M. W., O’Neal, M. E. and Gassmann A. J.  In Press.  Effects of field history on corn root injury and adult abundance of northern and western corn rootworm (Coleoptera: Chrysomelidae) and root injury.  Journal of Economic Entomology. Read more about Publications

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