- Adult: Moth with mottled brown forewings that have silver markings near the center.
- Larvae: Green caterpillar that sometimes has pale stripes and small dark spots.
- Eggs: Small, round and greenish-white.
Timing of damage: V2 to R4
Type of damage: Defoliation of leaves and sometimes pod damage.
Scouting: Use net sweeps or a drop cloth.
Economic threshold: 15 worms per 25 sweeps of a net, or six worms per foot of row.