
Community identification
Plaster Bagworm
Phereoeca uterella
- Order & Family
- Lepidoptera, Tineidae
- Size
- Larval case is typically 10 to 15 mm in length.
Natural Habitat
Found inside homes, particularly in high-humidity environments like bathrooms or under furniture on walls.
Diet & Feeding
Larvae feed on spider webs, wool, human hair, and silk fibers.
Behavior Patterns
The larva constructs a protective spindle-shaped case from silk and environmental debris, which it carries while crawling in a manner similar to a slug. It can emerge from either end of the case.
Risks & Benefits
They do not bite or sting humans. They are considered household pests as their feeding can damage natural fiber fabrics and carpets.