Indian meal moth larva
Scientific Name: Plodia interpunctella
Order & Family: Lepidoptera, Pyralidae
Size: Up to 12 mm (0.5 inches) long

Natural Habitat
Pantries, warehouses, grocery stores, and food processing facilities worldwide
Diet & Feeding
Stored grains, flour, cornmeal, cereal, nuts, dried fruit, seeds, pet food, and chocolate
Behavior Patterns
Larvae spin silk webbing over food sources as they feed; they move away from food sources to find crevices or wall-ceiling junctions to pupate.
Risks & Benefits
Significant household and commercial pest that contaminates food with webbing and frass (waste); non-toxic to humans but results in significant food waste.
Identified on: 5/18/2026