Attagenus bifasciatus, commonly known as the black carpet beetle, is a small insect belonging to the family Dermestidae. It is approximately 3-5 mm in length and has a shiny black body with two distinct yellowish bands across its elytra. These beetles are known for their ability to infest and damage various organic materials, including carpets, upholstery, and stored food products. They are commonly found in homes, museums, and other indoor environments.