Pantry moth larva (Indianmeal moth caterpillar)

Scientific Name: Plodia interpunctella

Order & Family: Lepidoptera: Pyralidae

Size: 12 - 13 mm (approximately 1/2 inch)

Pantry moth larva (Indianmeal moth caterpillar)

Natural Habitat

Pantries, kitchens, and food storage areas containing grain-based products

Diet & Feeding

Stored dry goods such as cereal, flour, nuts, pet food, and dried fruit

Behavior Patterns

Spinning silken webs inside food containers and crawling on walls or ceilings when searching for a place to pupate

Risks & Benefits

Pests that contaminate food sources with silk webbing and frass; no direct physical risk but cause significant economic loss through food waste

Identified on: 5/18/2026