Case-bearing Clothes Moth (larva/case)
Scientific Name: Tinea pellionella
Order & Family: Order: Lepidoptera, Family: Tineidae
Size: Case is typically 7-10 mm (about 1/4 to 3/8 inch) long.

Natural Habitat
Found indoors in closets, carpets, and storage areas; naturally occurs in bird nests or animal dens.
Diet & Feeding
Feeds on keratin-rich materials such as wool, fur, silk, feathers, felt, and human hair or lint.
Behavior Patterns
The larva builds and drags a portable, flattened case around with it for protection. It never leaves this case until adulthood. They prefer dark, undisturbed areas.
Risks & Benefits
Pest species. The larvae cause damage by chewing holes in natural fiber textiles like wool sweaters, rugs, and upholstery. No direct health risk to humans (doesn't bite or sting).
Identified on: 2/20/2026