Ancistrocerus nigricornis is a species of potter wasp. Zeta argillaceum is one of the most common species of potter wasp in South America. Delta unguiculatum is a species of potter wasp from Europe. Santamenes is a small but widely distributed neotropical genus of potter wasp. These potter wasp are predatory of caterpillars. Monobia quadridens is a species of solitary potter wasp found in North America. Odynerus spinipes, the spiny mason wasp, is a species of potter wasp from western Europe. Another name it is known by is the red potter wasp.