
Community identification
Indian meal moth (larva/caterpillar stage)
Plodia interpunctella
- Order & Family
- Lepidoptera: Pyralidae
- Size
- 10 mm to 13 mm (0.4 to 0.5 inches) as mature larvae.
Natural Habitat
Pantries, kitchens, grain storage facilities, and warehouses where dry food products are stored.
Diet & Feeding
Stored dry food products including flour, cereal, cornmeal, crackers, nuts, seeds, dried fruit, chocolate, and pet food.
Behavior Patterns
Larvae spin silken webs throughout infested food sources; they often crawl away from the food source to walls or ceilings to pupate in a cocoon.
Risks & Benefits
Major household pest that causes food spoilage and economic loss; they do not bite or sting and are not known to transmit diseases, but they contaminate food with webbing, frass (droppings), and cast skins.