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2011 Yellow Sticky Trap Project

This project marks the 7th year of tracking adult western corn rootworm (WCR) beetle populations in soybean fields across western Illinois. The variant WCR beetle lays its eggs in soybean fields, allowing larvae to later feed on corn roots in corn-soybean rotation fields. A protocol was established involving the placement of 12 traps throughout the fields in mid-July, monitored weekly for four weeks. With a threshold of 5 beetles per trap per day, none of the fields approached threshold levels in this year’s monitoring activities. Special thanks to Pioneer Hi-Bred for their support.

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2011 Yellow Sticky Trap Project

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  1. 2011 Yellow Sticky Trap Project • 7th year of tracking populations of adult western corn rootworm (WCR) beetle in soybean fields of western IL • Variant WCR beetle lays eggs in soybean field which allows larvae that hatch the following year to feed on corn roots in a C-SB rotation field • Variant WCR beetle has been found in other areas of IL in past • Monitoring for variant CRW to determine if necessary to protect against pest in C-SB rotation in western IL

  2. Protocol • 12 traps placed throughout field in mid July • Monitored weekly for 4 weeks • Established threshold is 5 beetles/trap/day • No fields were even close to approaching threshold levels

  3. Cooperators • Earl Boone- Payson                                                    • Mark Buss- Bowen                  • Ron Downs- Rushville                 • Mark Ebbing - Mt. Sterling             • Rex Johnson- Carthage               • Craig Lant- Good Hope                   • JD Lantz-Industry                      • Kyle McClelland- Scottville                                    • Keith Miller-Golden                • Doug Sill- Ursa • Mike Vose- Perry                   • David Gay-Rockport                   • Lorc Weir- Hull    

  4. Thanks to Pioneer HiBred for supporting this project

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