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I have a lot of worms in my crop, and I think they are armyworms. What should I do? (This question applies to many crops including soybean, cotton, peanut, corn, tomato, sorghum, forages, wheat, and others.)
Last Updated: November 03, 2008
This first and most important thing to do is get an accurate identification of the worms. Knowing the species can make a huge difference in what your response should be. For example, beet armyworm can be very destructive to many crops, can do a lot of damage quickly, and requires fairly specific insecticides for control, compared with other armyworm species. A full-color pocket guide, Mid-Atlantic Guide to the Insects and Beneficials of Corn, Soybean, and Small Grains (VCE Publ. 444-360), includes photos of the armyworm species common to our area, with a key that points out the easy-to-see distinguishing markings. You can access the guide at your local Virginia Cooperative Extension office or, if you are out of state, you can order one free of charge from the distribution center at divot@vt.edu.
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