Bug Identifier
Household Casebearer (Case-making Clothes Moth larva)
Community identification

Household Casebearer (Case-making Clothes Moth larva)

Phereoeca uterella

Order & Family
Lepidoptera: Tineidae
Size
Larval case is typically 8–15 mm in length.
See this bug in the Encyclopedia

Natural Habitat

Indoor environments, particularly in humid areas, under furniture, or on walls and floors with access to debris.

Diet & Feeding

Larvae feed on natural fibers like silk and wool, as well as dead insects, spider webs, and human hair.

Behavior Patterns

The larva constructs a protective spindle-shaped case from silk and environmental debris (sand, lint, soil). It can move and feed without leaving the case; it is often seen dragging the case along walls.

Risks & Benefits

No health risk to humans or pets. However, they are a household pest that can damage natural fiber clothing, rugs, and upholstery.