Elophila ekthlipsis is a moth in the Crambidae family. It was described by Grote in 1876. It is found in North America, where it has been recorded from the Great Lakes area, including Indiana, Maine, Michigan, Minnesota, New Brunswick, New Hampshire, Ohio, Ontario, Quebec and Wisconsin. The habitat consists of ponds and marshes. The larvae probably feed on Nuphar lutea and Sparganium species. They create a portable case.