Bug Identifier
Indian meal moth
Community identification

Indian meal moth

Plodia interpunctella

Order & Family
Lepidoptera, Pyralidae
Size
Adults have a wingspan of 16-20 mm with a body length of about 8-10 mm.
See this bug in the Encyclopedia

Natural Habitat

Worldwide in human structures that store food, such as pantries, kitchens, and food processing plants.

Diet & Feeding

Larvae feed on a wide variety of dried foods, including cereals, flour, cornmeal, crackers, chocolate, nuts, dried fruit, and pet food. Adults do not feed.

Behavior Patterns

Adults are active at night and attracted to light. They rest on walls or ceilings near food sources. Females lay 60 to 400 eggs directly on food or in crevices of packaging.

Risks & Benefits

They are a significant pest that causes economic loss due to food contamination. While they do not bite or spread disease, they ruin food with silk webbing and frass (waste). They pose no direct physical risk to humans.