Corn Insects

C.O.R.N. Newsletter Articles

  1. Author(s): Amy Raudenbush , Author(s): John Schoenhals, CCA , Author(s): Mark Badertscher , Author(s): Lee Beers, CCA , Author(s): Amanda Bennett , Author(s): JD Bethel , Author(s): Bruce Clevenger, CCA , Author(s): Sam Custer , Author(s): Tom Dehaas , Author(s): Allen Gahler , Author(s): Mike Gastier, CCA , Author(s): Jason Hartschuh, CCA , Author(s): Ed Lentz, CCA , Author(s): Rory Lewandowski, CCA , Author(s): Cecilia Lokai-Minnich , Author(s): David Marrison , Author(s): Sarah Noggle , Author(s): Les Ober, CCA , Author(s): Eric Richer, CCA , Author(s): Garth Ruff , Author(s): Jeff Stachler , Author(s): Alan Sundermeier, CCA , Author(s): Curtis Young, CCA , Author(s): Chris Zoller , Author(s): Andy Michel , Author(s): Kelley Tilmon , Author(s): Megan Zerrer , Author(s): Mike Sunderman

    Another successful year of Western bean cutworm (WBC) trapping has come to an end! We want to thank all of the extension educators for their time monitoring the traps, as well as the landowners for allowing us to place traps on their property. Overall, 26 counties in Ohio monitored WBC traps from the end of June through August. A total of 80 traps were monitored weekly with a grand total of 5,308 WBC trapped and an average of 7.9 moths per trap over the duration of the monitoring period (this was a decrease from 15,117 moths trapped with an AVG of 21 moths per trap in 2017).

    Issue: 2018-29
  2. John Schoenhals, Mark Badertscher, Lee Beers, Bruce Clevenger, Sam Custer, Tom Dehass, Allen Gahler, Jason Hartschuh, Ed Lentz, Cecilia Lokai-Minnich, David Marrison, Sarah Noggle, Les Ober, Eric Richer, Garth Ruff, Jeff Stachler, Alan Sundermeier, Curtis Young, Megan Zerrer, Chris Zoller, Andy Michel, Kelley Tilmon

    Issue: 2018-28
  3. John Schoenhals, Mark Badertscher, Sam Custer, Tom Dehass, Allen Gahler, Mike Gastier, Ed Lentz, Rory Lewandowski, Cecilia Lokai-Minnich, David Marrison, Sarah Noggle, Les Ober, Eric Richer, Garth Ruff, Jeff Stachler, Alan Sundermeier, Curtis Young, Megan Zerrer, Andy Michel, Kelley Tilmon

    Issue: 2018-27
  4. Multiple Japanese Beetles
    Author(s): Kelley Tilmon , Author(s): Andy Michel

    We have been hearing reports of Japanese beetles in corn and soybean.  These beetles are large with a shiny copper and green color.  Foliage feeding in corn is almost never economic, though economic damage from silk clipping is possible (though rare).  Consider a rescue treatment when  silks are clipped to less than ½ inch and, fewer than 50% of the plants have been pollinated, and the beetles are still numerous and feeding in the field. 

    Issue: 2018-24
  5. Western bean cutworm adult
    Author(s): Amy Raudenbush , Author(s): John Schoenhals, CCA , Author(s): Mark Badertscher , Author(s): Amanda Bennett , Author(s): Bruce Clevenger, CCA , Author(s): Sam Custer , Author(s): Tom Dehaas , Author(s): Allen Gahler , Author(s): Jason Hartschuh, CCA , Author(s): Ed Lentz, CCA , Author(s): Rory Lewandowski, CCA , Author(s): Cecilia Lokai-Minnich , Author(s): David Marrison , Author(s): Les Ober, CCA , Author(s): Eric Richer, CCA , Author(s): Garth Ruff , Author(s): Jeff Stachler , Author(s): Curtis Young, CCA , Author(s): Chris Zoller , Author(s): Andy Michel , Author(s): Kelley Tilmon

    Western bean cutworm (WBC) adult moth catches are beginning to decrease for the majority of Ohio counties with an exception in Northeast Ohio. For week ending July 28, 18 counties monitored 63 traps (Figure 1). Overall, there was an average of 15 moths per trap (945 total captured). This is a decrease from an average of 25.1 moths/trap (1985 total captured) the previous week. Despite the general trend of adult moth catches decreasing, numbers suggest Northern Ohio counties should continue to scout for egg masses. 

    Issue: 2018-24

Publications

  1. 01/2011

    Control of Insect Pests of Field Crops, Bulletin 545. Gives detailed information on pest control thresholds and insecticide options for management of insects in corn, soybean, wheat and alfalfa.

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