The fall armyworm is a pest that devours crops like corn and cotton. Since 2016, it has spread from the Americas to Africa, Asia, and Australia, leaving agricultural destruction in its wake.
Many farmers use insecticide to control the worm but knowing how much and what kind to apply can be a challenge. Researchers at ARS are conducting experiments to help answer these questions and more, in part by tracking the migration patterns of the moth. Watch this video to learn more.