Dr. Meinke and Dr. Siegfried’s study of CRW populations and their response to different selection pressures is an important component to preventing widespread damage in corn fields from corn rootworm larvae. The data collected from each of these entomologists’ research is helpful in developing Insect Resistance Management strategies and making predictions as to the likelihood of CRW populations becoming resistant. The evaluation of CRW life history parameters (includes factors that impact the potential life span and reproductive ability of a species) and the genetic make-up of a population, provide information to help prevent CRW resistance to Bt corn.
Populations of organisms will change with enough time and selection pressure. But the selection pressure can be reduced with proper management decisions, like planting a structured refuge or using RIB when planting Bt corn. Preventing resistance ultimately prolongs the use of the management tool.