Pachymenes is a small but widely distributed Neotropical genus of potter wasps, it has been proposed that another Neotropical genus, Santamenes, be merged into Pachymenes.
References
- Giordani Soika, A. 1990. Revisione degli Eumenidi neotropicali appartenenti ai generi Pachymenes Sauss., Santamenes n. gen., Brachymenes G. S., Pseudacaromenes G. S., Stenosigma G. S. e Gamma Zav. (Hymenoptera). Boll. Mus. Civ. Stor. Nat. Venezia 39: 71âÂÂ172.