Army worm is a term used to describe a group of larvae that can cause significant damage to crops. These pests belong to the species Spodoptera frugiperda and their infestations can cause extensive crop destruction. There are several synonyms for army worm, such as corn earworm, sorghum headworm, and cotton bollworm. These alternative names reflect the types of crops that these pests are known to prey upon. Regardless of the name given to them, army worms pose a significant threat to farmers and the agriculture industry as a whole. Proper pest management techniques must be employed to combat their destructive behavior and prevent widespread crop damage.