
Community identification
Household Casebearer
Phereoeca uterella
- Order & Family
- Lepidoptera, Tineidae
- Size
- Larval case is about 9 to 13 mm long; adult moth wingspan is about 9 to 14 mm.
Natural Habitat
Indoor environments, particularly in warm, humid regions, found on walls, ceilings, under furniture, and in closets.
Diet & Feeding
Feeds on spider webs, hair, feathers, wool, dead insects, and occasionally synthetic fibers.
Behavior Patterns
The larva constructs a portable, flattened, silk case resembling a melon seed, dragging it along surfaces as it moves. It pupates inside the case and eventually emerges as a small moth.
Risks & Benefits
Risks include minor damage to natural fiber fabrics, carpets, and stored woolens. They pose no health threat to humans and act as occasional scavengers of household debris.