Spodoptera frugiperda

Noun
1. larva of a migratory American noctuid moth; destroys grasses and small grains
(synonym) fall armyworm
(hypernym) caterpillar
2. moth whose larvae are fall armyworms
(hypernym) noctuid moth, noctuid, owlet moth
(member-holonym) Spodoptera, genus Spodoptera

an insect species (common name fall armyworm) used in baculovirus protein expression systems.