The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article "Sneaky Yield Robbers” by Darrell Smith. You can find the article on page 44 in the January 2008 issue.
To see how planting Herculex Bt hybrids may qualify for a reduced premium for federal crop insurance (as a risk reduction practice, in some localities), go to www.rma.usda.gov/pilots/bye.html. Click on Biotechnology Endorsement (PDF) (Nov 2008).
For More Information
You can find Iowa State University's list of insecticides for WBC—including which products may cause a spider mite flare-up--at www.ipm.iastate.edu/ipm/icm/2005/7-11/wbc.html.
A similar list of insecticides, produced by land grant universities in Nebraska, Colorado, South Dakota, Wyoming and Montana, can be found at http://highplainsipm.org/Crops. Click on Field Corn. Then click on Western Bean Cutworm.
For directions to make your own WBC pheromone trap, go to http://learningstore.uwex.edu/Pest-Management-C37.aspx. Scroll down and click on Western Bean Cutworm: A Pest of Field and Sweet Corn. Then click on View PDF.
For a University of Nebraska publication about western bean cutworm, visit www.ianrpubs.unl.edu/epublic/pages/index.jsp; scroll down and click on Western Bean Cutworm in Corn and Dry Beans, G1359.
A Kansas State University publication that can help you identify WCB larvae can be found at www.oznet.ksu.edu/library. Click on Insects, then click on Identification. Scroll down and click on Identifying Caterpillars in Corn and Sorghum.
To see a University of Illinois fact sheet about western bean cutworm, visit www.ipm.uiuc.edu/fieldcrops/corn/insects.html. Scroll down and click on Western Bean Cutworm.