Household Casebearer
Scientific Name: Phereoeca uterella
Order & Family: Lepidoptera: Tineidae
Size: 8 to 13 mm in length for the larval case.

Natural Habitat
Found inside residential homes, specifically on walls, floors, and in dark closets.
Diet & Feeding
Larvae feed on organic fibers including spider webs, wool, hair, and dead insects.
Behavior Patterns
The larva constructs a protective silk case covered with sand and dust. It can turn around inside the case and emerge from either end to feed or move.
Risks & Benefits
Generally considered a minor indoor pest; while harmless to humans, they can damage natural fiber clothing and carpets.
Identified on: 12/31/2025