Bug Identifier
Plaster Bagworm
Community identification

Plaster Bagworm

Phereoeca uterella

Order & Family
Lepidoptera: Tineidae
Size
8 to 13 mm in length for the larval case
See this bug in the Encyclopedia

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.