The Great Brocade or Great Gray Dart (Eurois occulta) is a moth of the family Noctuidae. It is found in Northern and Central Europe, North Asia and Central Asia to the Pacific Ocean and Japan. Also the Northern parts of North America (coast to coast in Canada, south in east to Virginia and the Great Lakes States) ( a Holarctic distribution).In addition, it is found in Greenland and Iceland.In the South in Northern Spain and on the Balkan peninsula.