1. (

• armyworm ,
• army_worm ,
• Pseudaletia_unipuncta ,

) noctuid moth larvae that travel in multitudes destroying especially grass and grain ;

2. (

• armyworm ,
• Pseudaletia_unipuncta ,

) moth whose destructive larvae travel in multitudes ;

3. (

• armyworm ,

) larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted ;