Fall armyworm Nepal 4

A pheromone trap is installed next to a maize field in Nepal. (Photo: Bandana Pradhan/CIMMYT)

A pheromone trap is installed next to a maize field in Nepal. (Photo: Bandana Pradhan/CIMMYT)

A pheromone trap is installed next to a maize field in Nepal. (Photo: Bandana Pradhan/CIMMYT)