Armyworm

: They are most active at night or in the early morning, often hiding in crop whorls during the day.

: 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 armyworm

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. : They are most active at night or