Omophron tessellatum

Omophron tessellatum, the mosaic round sand beetle, is a species of ground beetle in the family Carabidae found in North America. Its distribution includes the United States in states such as Arkansas, Virginia, Oklahoma, and Arizona; and in Canada in provinces such as Nova Scotia and Alberta. The species grows to lengths of 5.4 to 7 millimeters. Its habitat is flooded areas such as lake shores, river banks, ponds, pool edges, and beaches with sandy or clayish soil. It breeds in the spring from May to July.