Attagenus brunneus, commonly known as the brown carpet beetle, is a small insect belonging to the family Dermestidae. It is typically brown in color with a slightly elongated oval shape and measures around 3-4 mm in length. This beetle is known for its ability to infest and damage various organic materials, including carpets, upholstery, and stored food products. Its larvae feed on animal-based materials such as wool, fur, feathers, and dead insects.