1. (noun) larva of a migratory American noctuid moth; destroys grasses and small grains

• fall armyworm

1. (noun) larva of a migratory American noctuid moth; destroys grasses and small grains

• caterpillar

2. (noun) moth whose larvae are fall armyworms

• noctuid
• noctuid moth
• owlet moth

1. (noun) moth whose larvae are fall armyworms

• genus spodoptera
• spodoptera