Casemaking Clothes Moth (Larva)

Scientific Name: Tinea pellionella

Order & Family: Order: Lepidoptera, Family: Tineidae

Size: Larvae are typically 5mm to 10mm in length; the silken case they carry grows with them.

Casemaking Clothes Moth (Larva)

Natural Habitat

Indoor environments, particularly in dark, undisturbed areas like closets, drawers, and attics where natural fibers are stored.

Diet & Feeding

Keratin-rich materials including wool, silk, fur, feathers, hair, and occasionally leather or dried animal remains.

Behavior Patterns

The larva builds a portable silken case incorporating fibers from its food source. It carries this protective tube around as it feeds and eventually pupates inside it.

Risks & Benefits

Significant household pest that causes physical damage to clothing, upholstery, and carpets. They do not pose health risks to humans but can cause major economic loss to textiles.

Identified on: 1/14/2026