Feeding damage appears as small irregular holes. You can sometimes find the brown, segmented cast larval skins nearby. Damage will be common on undersides of wall hangings, beneath furniture, in unvacuumed closets, and on the underside of folded clothing stored on the floor or shelving. The damaging stage consists of small white caterpillars with dark heads. The casemaking clothes moth caterpillar spins a protective cigar-like case from silk and material fibers.
Damaged areas appear as small holes with webbing.
Other sources include old furniture with horsehair padding, and homes built during the 1920s and 30s that used animal hair mixed with plaster as a firming agent. All garments should be cleaned before storage. Consider using plastic or zip-locking bags to store sweaters in dressers. Storage cartons can be sealed with good quality tape. All seams and joints should be taped over.