Community identification
Household Casebearer
Phereoeca uterella
- Order & Family
- Lepidoptera, Tineidae
- Size
- Case length is typically 8-13 mm; the larva inside is smaller.
Natural Habitat
Found inside houses, particularly in areas with high humidity, under furniture, or on walls.
Diet & Feeding
Larvae feed on spider webs, wool, human hair, organic debris, and natural fibers.
Behavior Patterns
The larva constructs a spindle-shaped silk case covered in sand, dust, and fibers. It remains inside the case, extending its head to move or feed, and eventually pupates inside it.
Risks & Benefits
Generally harmless to humans but can be a minor pest of fabrics and clothing made of natural fibers. They do not bite or spread disease.