Alphamenes is a small neotropical genus of potter wasps that currently contains 7 species, it was named by the Dutch entomologist Jacobus van der Vecht in 1977.
References
Giordani Soika, A. 1978. Revisione degli Eumenidi neotropicali appartenenti ai generi Eumenes Latr., Omicron (Sauss.), Pararaphidoglossa Schulth. ed affini. Boll. Mus. Civ. Stor. Nat. Venezia 29: 1–420.