The common carpet or white-banded toothed carpet (Epirrhoe alternata) is a moth of the family Geometridae. It is found throughout the Palearctic and the Near East. In North America it ranges across the northern tier of the United States plus every province and territory of Canada. The larva is generally brown or green but is very variable in its markings. It feeds on bedstraw. The species overwinters as a pupa. 1. \n* The flight season refers to the British Isles. This may vary in other parts of the range.