Household Casebearer moth larva

Commonly found inside homes on walls, carpets, and ceilings, especially in humid or tropical climates.

Larvae feed on spider webs, wool, human hair, fur, and natural fibers like silk.

The larva constructs a protective silk case covered in sand, dust, and lint; it can pull its body inside and 'turn around' within the case to emerge from either end.

They are considered a household nuisance and can cause minor damage to natural fabrics or clothing, but they do not pose a direct health risk to humans.