Caloreas leucobasis is a moth of the Choreutidae family. It is found in North America, including Oregon, Quebec, Ontario, Alberta and California. The forewings have a distinctive cream base. Beyond the base, they are heavily marked with black spots and bluish scaling. The median area and terminal line have chocolate brown shading and some cream is visible in postmedial area. The fringe is brownish. The hindwings are warm brown, but slightly darker toward the outer margin. The fringe is paler brown. The head and thorax are cream and the abdomen is brown with light scales at the end of each segment.