Case-bearing Clothes Moth Larva

Scientific Name: Tinea pellionella

Order & Family: Order: Lepidoptera, Family: Tineidae

Size: Larvae/case typically 5-10 mm long

Case-bearing Clothes Moth Larva

Natural Habitat

Typically found indoors in dark, quiet areas like closets, underneath furniture, in carpets, or near stored fabrics like wool or fur.

Diet & Feeding

Larvae feed on keratin-rich animal fibers such as wool, fur, silk, feathers, felt, and sometimes pet hair.

Behavior Patterns

The larva constructs a portable, silken case around its body, incorporating fibers and debris from its environment for camouflage. It drags this case along as it moves and feeds, eventually pupating inside it.

Risks & Benefits

Risks: They are household pests that can cause significant damage to clothing, carpets, tapestries, and taxidermy. Benefits: None in a household context, though they play a minor role in decomposition of animal matter in the wild.

Identified on: 3/8/2026