Household Casebearer

Natural Habitat

Typically found inside houses, particularly on walls in humid environments, bathrooms, and garages.

Diet & Feeding

Larvae feed on spider webs, woolen fabrics, hair, and organic detritus found in dust.

Behavior Patterns

The larva constructs a protective silk case covered in sand, soil, and floor debris. It can turn around inside the case to protrude from either end to feed or move.

Risks & Benefits

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

Identified on: 4/28/2026