Corn Earworm in Missouri
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The corn earworm, Helicoverpa zea (Boddie), is a generalist feeder with at least 16 cultivated and numerous (more than 100) wild host plants. Other names given to this pest include cotton bollworm, soybean podworm, tomato fruitworm and vetchworm. This insect has a global distribution and is found throughout the continental United States.
Archive version. For the most recent information see extension.missouri.edu.