Bug Identifier
Household Casebearer
Community identification

Household Casebearer

Phereoeca uterella

Order & Family
Lepidoptera: Tineidae
Size
Case length: 8-14 mm; Larva: up to 10 mm
See this bug in the Encyclopedia

Natural Habitat

Indoor environments, particularly in humid climates. Found on walls, under furniture, and in closets.

Diet & Feeding

Larvae scavenge for organic fibers and debris, including hair, spider webs, wool, fur, and dead insect remains.

Behavior Patterns

The larva constructs a protective silk case covered in sand and debris. It can emerge from either end of the flattened, pumpkin-seed-shaped case to feed or move.

Risks & Benefits

Risk: Minor pest that can cause damage to natural fiber fabrics and clothing. Benefit: Aids in recycling organic waste like loose hair and spider webs indoors.