Hyphantria cunea, commonly known as the fall armyworm, is a pest that feeds on several plant species. The larvae of this insect can cause substantial damage to crops and vegetation in various regions around the world. There are several synonyms for this pest, including Spodoptera frugiperda and the corn leafworm. Other common names include the southern armyworm and the rice armyworm. Identifying these pests correctly is crucial for effective pest management strategies. Regardless of the synonym used, early detection and intervention are essential to minimizing the damage caused by this agricultural pest. Effective control measures include natural predators, chemical treatments, and crop rotation.