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1. Noctuid moth larvae that travel in multitudes destroying especially grass and grain
   - army worm, Pseudaletia unipuncta
    
2. Moth whose destructive larvae travel in multitudes
   - Pseudaletia unipuncta
    
3. Larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted

Derived forms: army worms, armyworms

Type of: caterpillar, fungus gnat, noctuid, noctuid moth, owlet moth, sciara, sciarid

Part of: genus Pseudaletia, Pseudaletia