Casemaking Clothes Moth
Scientific Name: Tinea pellionella
Order & Family: Lepidoptera: Tineidae
Size: Wingspan of 8-12 mm; larvae are typically 5-10 mm long.
Natural Habitat
Indoor environments, specifically closets, storage areas, and upholstery containing natural fibers.
Diet & Feeding
The larvae feed on wool, silk, fur, feathers, hair, and other keratin-containing materials.
Behavior Patterns
The larva constructs a portable silk case covered with debris and food particles which it carries as it feeds. Adults are weak fliers and avoid light.
Risks & Benefits
The larvae are significant household pests that cause permanent damage to clothing, rugs, and historical textiles. They provide no direct benefit to humans.
Identified on: 1/15/2026