: They are most active at night or in the early morning, often hiding in crop whorls during the day.
Armyworms are not actually worms but the of nocturnal moths. Their life cycle begins when a single female moth lays up to 2,000 eggs in masses on the undersides of leaves. armyworm
: Upon hatching, the caterpillars feed for 2–3 weeks, progressing through roughly six developmental phases (instars) . : They are most active at night or
: In search of new food sources, they migrate in large groups—hence the name "armyworm"—and can be spread long distances by airflow. Agricultural Impact Fall Armyworm - Corteva Agriscience the caterpillars feed for 2–3 weeks