The corn earworm is also know as the Soybean Podworm and Tomato Fruitworm. The adult moths are greenish gray


Corn earworm moth

or a light grayish brown with dark-gray irregular lines on the forewings. The irregular lines are often a shade of olive-green. Hind wings are white with some dark spots or irregular markings. Night flying, the corn earworm moth has a wingspan of 1½ inches. The first generation of corn earworm moths emerges as early as late-March in Kentucky. There are generally four generations each year, however, overlap is great and adult moths that can lay eggs may be present in significant numbers throughout most of the growing season.

For additional information on corn earworm as a pest of sweet corn see ENTFACT-318 Corn Earworm Management in Sweet Corn, Kentucky Sweet Corn Insect IPM Scout Manual and EntFact 302-Sweet Corn Pests. Details on this insect as a pest of soybeans can be found in Soybean Podworm Scout Info Sheet and EntFact 144-Soybean Podworm in Kentucky Soybeans.

To view the data that includes temperature and accumulated degree days you will need Microsoft Excel®.

University of Kentucky Research Center, Princeton, KY

1992          1993          1994          1995          1996          1997

1998          1999          2000          2001          2002          2003

2004          2005          2006          2007          2008          2009

2010          2011          2012          2013          2014          2015

2016          2017

University of Kentucky Spindletop Farm, Lexington, KY

2007          2008          2009          2010          2011          2012

2013          2014          2015          2016          2017

Insect trap data are provided for educational purposes only. Weather data provided by the University of Kentucky Agricultural Weather Center and Kentucky Mesonet. Weather data if used for legal purposes must be certified by NCDC, National Climate Data Center.