Household Casebearer

Natural Habitat

Indoor environments, particularly on walls and under furniture in humid climates

Diet & Feeding

Natural fibers including wool, fur, hair, and silk, as well as spider webs and dead insects

Behavior Patterns

The larva constructs a protective silk-lined case covered in dust and debris; it can peek out from either end of the case to feed or move

Risks & Benefits

Considered a household pest as it can damage clothing and carpets made of natural fibers; no direct risk to human health

Identified on: 6/23/2026