Plaster Bagworm

Natural Habitat

Humid climates, typically found indoors on walls, in closets, or under furniture where dust and spider webs accumulate.

Diet & Feeding

The larvae feed on organic fibers including wool, silk, hair, spider webs, and dead insects.

Behavior Patterns

The larva constructs a protective silk case flattened like a pumpkin seed and covered with sand, soil, or lint. It can drag this case and feed from both ends.

Risks & Benefits

A household nuisance pest that can cause minor damage to natural fiber fabrics and tapestries; they pose no physical health risk to humans.

Identified on: 1/11/2026