Household Casebearer (Plaster Bagworm)

Indoor environments, found on walls or floors in humid rooms such as bathrooms or kitchens

Larvae feed on spider webs, wool fibers, hair, and human hair/skin debris

Larvae construct a silk case reinforced with sand, dust, and lint which they carry for protection while moving and feeding

Generally harmless to humans but can damage delicate fabrics and are considered a household nuisance