Bug Identifier
Plaster Bagworm
Community identification

Plaster Bagworm

Phereoeca uterella

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

Natural Habitat

Commonly found inside homes, on walls, and in floor corners where dust and debris collect.

Diet & Feeding

Larvae feed on spider webs, silk, hair, wool, and other natural fibers or organic debris.

Behavior Patterns

The larva constructs a protective silk case covered in sand, dust, and debris. It moves by extending its head and legs from either end of the symmetrical case.

Risks & Benefits

Primarily a household nuisance; they can cause minor damage to natural fiber textiles like wool or silk but are harmless to humans and pets.