Case-bearing Clothes Moth (Larva)

Natural Habitat

Found indoors in darkened areas like closets, attics, and under furniture where natural fibers are stored.

Diet & Feeding

Larvae feed on natural animal keratins found in wool, silk, fur, feathers, and upholstered furniture.

Behavior Patterns

The larva constructs a portable flattened case made of silk and debris (like the fibers shown in the image) which it drags along while feeding and pupating.

Risks & Benefits

They are a significant domestic pest that can cause extensive damage to expensive clothing, rugs, and heirlooms; they provide no significant benefit in a domestic environment.

Identified on: 5/13/2026