
Community identification
Plaster Bagworm
Phereoeca uterella
- Order & Family
- Lepidoptera: Tineidae
- Size
- 8 to 13 mm in length for the larval case
Natural Habitat
Typically found indoors in humid climates, often on walls, ceilings, or under furniture
Diet & Feeding
Larvae feed on spider webs, lint, wool, silk, and human hair
Behavior Patterns
The larva constructs a protective silk case covered in sand, dust, and debris, which it drags along as it moves. It can turn around inside the case to feed from either end.
Risks & Benefits
Generally considered a minor household pest; they can damage natural fiber fabrics but pose no physical risk to humans or pets.