
Community identification
Household Casebearer
Phereoeca uterella
- Order & Family
- Order: Lepidoptera, Family: Tineidae
- Size
- Case length is approximately 8-13 mm long.
Natural Habitat
Typically found indoors in humid climates, often seen on walls, ceilings, or under furniture in houses.
Diet & Feeding
Larvae feed on spider webs and natural fibers like wool, fur, hair, and silk.
Behavior Patterns
The larva builds a flattened, spindle-shaped case from silk and debris (dust, sand, fibers). It can move the case and poke its head out of either end to feed. They undergo complete metamorphosis within the case.
Risks & Benefits
They are considered a minor household pest because they can damage silk or wool fabrics and spider webs. They pose no physical risk to humans or pets.