
Community identification
Indian meal moth
Plodia interpunctella
- Order & Family
- Order: Lepidoptera, Family: Pyralidae
- Size
- Typical wingspan of 16-20 mm; body length about 8-10 mm.
Natural Habitat
Worldwide in human structures, specifically pantries, food storage facilities, and grocery stores where dry goods are kept.
Diet & Feeding
Larvae feed on dry plant-based foods including cereal, flour, pasta, rice, nuts, dried fruit, birdseed, and chocolate. Adults do not feed.
Behavior Patterns
Adults are nocturnal and attracted to light; they often fly in a zigzag pattern. Females lay eggs directly on or near food sources. Larvae produce silk webbing in the food products they infest.
Risks & Benefits
Major household pest; they contaminate food with webbing, cocoons, and waste, making it unfit for consumption. They pose no direct physical threat to humans but cause significant food waste.