Bug Identifier
Case-bearing Moth Larva (Plaster Bagworm)
Community identification

Case-bearing Moth Larva (Plaster Bagworm)

Phereoeca uterella

Order & Family
Lepidoptera: Tineidae
Size
Case is approximately 8mm to 14mm in length.
See this bug in the Encyclopedia

Natural Habitat

Typically found inside residential buildings on walls or under furniture, specifically in warm, humid climates.

Diet & Feeding

Larvae feed on spider webs, woolen items, hair, and natural fibers.

Behavior Patterns

The larva constructs a silk case covered in sand, dust, and debris. It can pull its body inside from either end and eventually pupates within this protective shell.

Risks & Benefits

Generally harmless to humans but considered a household pest as they can damage silk or wool fabrics and create unsightly cases on walls.