Dermestes is a genus of beetles commonly known as dermestid beetles or skin beetles. They are small to medium-sized insects, ranging in size from 2 to 12 millimeters. Dermestes beetles are known for their scavenging behavior, feeding on a variety of organic materials such as dead animals, dried meat, feathers, and even museum specimens. They are often found in homes, warehouses, and museums, where they can cause damage to stored products and historical artifacts.