Epsilon is an Indomalayan and Australasian genus of potter wasps. It contains the following species: * Giordani Soika, 1995 * (Bingham, 1897) * (Giordani Soika, 1962) * (Saussure, 1853) * (Borsato, 1994) * Lee, 1981 * Gusenleitner, 1996 * Giordani Soika, 1995 * (Smith, 1864) * (Smith, 1858) * (Wickwar, 1908) * (Walker, 1860) * Giordani Soika, 1995