Case-bearing Clothes Moth (Larva)

Natural Habitat

Found worldwide in indoor environments, specifically in closets, carpets, and upholstery where natural fibers are present.

Diet & Feeding

Keratin-rich materials such as wool, silk, fur, feathers, and hair. They occasionally feed on stored synthetic/natural blends.

Behavior Patterns

The larva builds a portable silken case incorporating fibers from the material it is eating, which it carries around for protection. They prefer dark, undisturbed areas and can remain in the larval stage for many months depending on temperature.

Risks & Benefits

Significant household pest that can cause irreversible damage to expensive clothing, rugs, and heirlooms. They pose no direct health risk to humans but can be difficult to eradicate once established.

Identified on: 5/2/2026