Bug Identifier
Household Casebearer
Community identification

Household Casebearer

Phereoeca uterella

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

Natural Habitat

Typically found inside houses, on walls, or under furniture in warm, humid climates.

Diet & Feeding

Larvae feed on spider webs and organic fibers such as wool, hair, and some synthetic materials.

Behavior Patterns

The larva builds a flattened, spindle-shaped silken case covered in sand or dust. It can poke its head out of either end of the case to crawl or feed.

Risks & Benefits

They are considered a minor household pest because they can damage silk or wool fabrics. They are not harmful to humans or pets.