Household Casebearer moth
Scientific Name: Phereoeca uterella
Order & Family: Lepidoptera: Tineidae
Size: Case length is about 8 to 13 mm.

Natural Habitat
Typically found inside houses and buildings, especially in dark, undisturbed areas like closets or under furniture.
Diet & Feeding
As larvae, they feed on spider webs, wool, human hair, fur, and silk.
Behavior Patterns
The larva lives in a flat, spindle-shaped case made of silk and covered with sand, dust, and other debris. It can pull its head and legs into the case for protection.
Risks & Benefits
Generally considered a pest as they can damage clothing and other natural fabrics, but they do not pose a direct health risk to humans.
Identified on: 5/25/2026