Adult Carpet Beetles are small with compact, rounded, oval bodies. Their legs and head are not obvious and are often hidden under the body.
The variegated Carpet Beetle (Anthrenus verbasci) and furniture Carpet Beetle (Anthrenus flavipes) are 2-3 millimetres long and mottled yellow, white and black. The black Carpet Beetle (Attagenus unicolor) is larger, ranging from 3-5 millimetres, more elongate and black with brownish legs.The Australian carpet beetle (Anthrenocerus australis) is 2-3 millimetres long and dark with light markings. Of the four species of Carpet Beetle, only the Australian Carpet Beetle is native.Carpet Beetle larvae move slowly and are 4-7 millimetres long, depending on the species. They are brown in colour and covered in bristles. As the larvae grow they moult, leaving cast brown skins.