Case-bearing Clothes Moth (Larva/Case)
Scientific Name: Tinea pellionella
Order & Family: Lepidoptera: Tineidae
Size: Larval case is approx. 5–10 mm long; adult wingspan is 9–16 mm

Natural Habitat
Typically found indoors in dark, undisturbed areas such as closets, under furniture, in carpets, and near stored natural fabrics like wool or fur.
Diet & Feeding
The larvae feed on keratin-rich materials, including wool, fur, silk, feathers, felt, and sometimes hair or pet dander found in dust.
Behavior Patterns
The larva constructs and carries a silken case around its body, which it camouflages with fibers from the material it is eating. It can turn around inside the case to feed from either end.
Risks & Benefits
They are considered a household pest because the larvae chew holes in clothing, carpets, and upholstery made from natural fibers. They do not bite or sting humans and pose no direct health risk.
Identified on: 2/18/2026