Attagenus pustulatus, commonly known as the black carpet beetle, is a small insect belonging to the family Dermestidae. It has a shiny black body with distinct pustules or bumps on its elytra (wing covers). This beetle is a common household pest, as its larvae feed on a variety of organic materials such as carpets, upholstery, and clothing. Adult black carpet beetles are typically around 3-5 mm in length.