Bug Identifier
Case-bearing Clothes Moth
Community identification

Case-bearing Clothes Moth

Tinea pellionella

Order & Family
Order: Lepidoptera; Family: Tineidae
Size
Larval case is typically 8-10 mm long; adult wingspan is 9-16 mm.
See this bug in the Encyclopedia

Natural Habitat

Indoor environments like closets, storage areas, and cabinets; found globally in temperate and tropical regions.

Diet & Feeding

Larvae feed on keratin-containing fibers such as wool, silk, hair, feathers, and fur. Adults do not feed.

Behavior Patterns

The larva builds a silk-lined protective case using materials from its surroundings, which it carries while feeding. These larvae are often seen crawling on walls as they seek a high point to pupate.

Risks & Benefits

Risks: Significant pest of textiles and animal-based materials, causing holes and permanent damage to clothing, rugs, and upholstery. Benefits: In the wild, they help recycle keratin from animal remains.