Household Casebearer
Scientific Name: Phereoeca uterella
Order & Family: Lepidoptera: Tineidae
Size: Larval cases are approximately 8 to 14 mm in length
Natural Habitat
In and around houses, particularly on walls in humid climates
Diet & Feeding
Larvae feed on spider webs and natural fibers like wool or silk
Behavior Patterns
The larva builds a flattened, spindle-shaped case from silk and debris; it can turn inside the case to feed from either end.
Risks & Benefits
Harmless to humans but can be a minor nuisance pest by damaging fabrics or spider webs
Identified on: 12/31/2025