This time of year, armyworms are a nuisance on golf courses in the southeastern United States. Armyworm larvae cause damage by consuming leaf tissue from one side while leaving the other side intact. In the later stages of their life cycles armyworms completely defoliate plants from the outside inward. Areas affected by armyworm infestations will appear thin and brown. At St. James we use Bifenthrin, a pyrethroid insecticide, at a rate of 15 oz. per acre to prevent armyworm damage. This application is made multiple times to ensure that the pest is controlled and not actively damaging golf course turf.
Many experts are saying that this year is one of the worst armyworm hatches in history. Below we have attached some links for you to check out for more information on armyworms and their destructive capabilities.
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