True armyworms -- Mythimna unipuncta -- are a species of moth that lays their eggs in lush green grasses. They mainly affect corn and wheat production. Pastures and grassy hay fields can also be at risk of damage.
Manage pest in corn, small grain fields
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An adult true armyworm is a beige-colored moth. Photo credit: John Capinera, University of Florida.
A fifth instar true armyworm larvae are about two inches long full-grown.
True armyworm leaf feeding on corn.
A true armyworm feeds in a corn whorl.
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