Pheromone

Eau de Deception

Each year, forests in the northeastern United States are plagued with leaf-eating gypsy moths. There have been many efforts to control moth populations with pesticides. But as entomologist Robert Walz tells LOE host Steve Curwood, Indiana has its own way of battling the pests: pheromones.

The World

Animal Note: Knockout Spider

The World

Clues in female voices

Environment