Case-bearing clothes moth (larva)

Scientific Name: Tinea pellionella

Order & Family: Lepidoptera: Tineidae

Size: Larvae are roughly 1/4 to 1/2 inch (6-12 mm) in length.

Case-bearing clothes moth (larva)

Natural Habitat

Inhabits homes, museums, and storage facilities, typically in dark, undisturbed areas like closets or under furniture.

Diet & Feeding

Larvae feed on natural fibers including wool, silk, feathers, fur, and hair. They cannot digest synthetic fibers unless they are blended with natural ones or soiled with food stains.

Behavior Patterns

The larva constructs a portable silken case incorporating fibers from the material it is eating, which it carries around as it moves. When ready to pupate, it seeks a vertical surface or a crevice.

Risks & Benefits

They are a significant domestic pest that can cause extensive damage to clothing, upholstery, and carpets. They pose no direct health risk to humans but can be destructive to property.

Identified on: 4/18/2026