
Community identification
Household Casebearer moth larva
Phereoeca uterella
- Order & Family
- Lepidoptera: Tineidae
- Size
- Case length is approximately 8-13 mm (0.3-0.5 inches).
Natural Habitat
Typically found inside houses, on walls, or under furniture in warm, humid climates.
Diet & Feeding
Larvae feed on spider webs, wool, hair, and various natural fibers/organic detritus.
Behavior Patterns
The larva builds a flattened, spindle-shaped case from silk and debris, carrying it as it moves. It can poke its head out from either end to feed or move.
Risks & Benefits
Harmless to humans but considered a household pest as they can damage natural fiber clothing and attract spiders by eating their webs.