
Community identification
Plaster Bagworm (Household Casebearer)
Phereoeca uterella
- Order & Family
- Lepidoptera: Tineidae
- Size
- 8 to 14 mm (case length)
Natural Habitat
Commonly found inside residential homes, specifically on walls, under furniture, or in closets.
Diet & Feeding
Feeding on organic debris, spider webs, and natural fibers such as wool or silk.
Behavior Patterns
The larva constructs a silk-lined protective case shaped like a pumpkin seed or flat flask, which it carries while moving.
Risks & Benefits
Minimal risk to humans, but can be a household pest by damaging clothing or tapestries made of natural fibers.