Bug Identifier
Plaster Bagworm (Household Casebearer)
Community identification

Plaster Bagworm (Household Casebearer)

Phereoeca uterella

Order & Family
Lepidoptera: Tineidae
Size
8 to 14 mm (case length)
See this bug in the Encyclopedia

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.