Overview and Objectives - CRW Part 2

This lesson will discuss economic thresholds and management options related to the corn rootworm complex consisting of the northern, western, and southern corn rootworm, with emphasis on the northern and western species. The information in this lesson will focus on the north central Corn Belt, including Iowa and Nebraska. Crop producers, crop scouts, students, and the general public may find this lesson helpful for obtaining information about developing a management plan to control corn rootworm. At the end of this lesson readers should be able to:

  • Describe sampling and economic thresholds for CRW
  • Identify and explain different management options
  • Explain Insecticide Resistance Management (IRM)
    • Describe five refuge designs and their importance

Published 2003

This production is made possible in part through the University of Nebraska Institute of Agriculture and Natural Resources (IANR) and through funding from Monsanto Company. Any opinions, findings, conclusions, or recommendations expressed in this series are those of the authors and do not necessarily reflect the view of IANR. This manuscript has been assigned Journal Series No. 04-08, College of Agricultural Sciences and Natural Resources, University of Nebraska.