
Community identification
Household casebearer
Phereoeca uterella
- Order & Family
- Lepidoptera: Tineidae
- Size
- Larval case is about 9 to 14 millimeters long.
Natural Habitat
Found indoors on walls, ceilings, and in dark, undisturbed areas with natural fibers.
Diet & Feeding
Larvae feed on spider webs, dust, hair, fur, and keratin-rich fibers like wool.
Behavior Patterns
Larvae construct a portable flattened case from silk and debris, dragging it along surfaces as they move. They pupate within this same case before emerging as small moths.
Risks & Benefits
They do not bite or transmit disease, but larvae can damage carpets, clothing, and stored textiles.