
Community identification
Indian meal moth (larva/caterpillar stage)
Plodia interpunctella
- Order & Family
- Lepidoptera: Pyralidae
- Size
- Mature larvae are approximately 12–13 mm (0.5 inch) in length.
Natural Habitat
Pantry and food storage areas globally, specifically in dried grains, nuts, and cereal products.
Diet & Feeding
Feeds on a wide variety of dried food including flour, pasta, rice, nuts, seeds, chocolate, dried fruit, and pet food.
Behavior Patterns
Larvae produce characteristic silk webbing over food sources as they feed. They often crawl away from their food source to walls or ceilings to spin silk cocoons and pupate.
Risks & Benefits
Significant economic pests of stored food. They do not bite or carry disease, but they contaminate food with silk webbing, waste, and cast-off skins, making it unfit for consumption.