Household Casebearer

Scientific Name: Phereoeca uterella

Order & Family: Order: Lepidoptera, Family: Tineidae

Size: Cases are usually 8mm to 14mm in length.

Household Casebearer

Natural Habitat

Typically found inside houses, on walls, or under furniture where they can find dietary materials.

Diet & Feeding

Larvae feed on natural fibers like wool, silk, hair, and spider webs, as well as organic debris.

Behavior Patterns

The larva lives inside a flattened, spindle-shaped silk case covered with debris. It can turn around inside the case to protrude its head from either end.

Risks & Benefits

Considered a minor household pest as they can damage clothes, carpets, and upholstery made from natural fibers.

Identified on: 1/2/2026