Apotomis sauciana, the Sutherland long-cloak or Greville's marble, is a moth of the Tortricidae family. It is found in most of Europe, east to the eastern part of the Palearctic ecozone. The wingspan is 13–16 mm. Adults are on wing from June to August. They fly during the afternoon and evening. The larvae feed on Vaccinium myrtillus and Arctostaphylos species. They feed in spun shoots.