Household casebearer
Scientific Name: Phereoeca utericella
Order & Family: Lepidoptera: Tineidae
Size: Case is typically 8-13 mm in length
Natural Habitat
Indoors in damp, humid environments, often found on walls, under furniture, or on fabrics in closets.
Diet & Feeding
Larvae feed on natural fibers (wool, silk), spider webs, and organic debris like dead insects or hair.
Behavior Patterns
The larva lives inside a silken case covered in sand or dust; it can turn inside the case to protrude from either end.
Risks & Benefits
They are nuisance pests that can damage clothing and household fabrics; they pose no direct health risk to humans.
Identified on: 2/6/2026