''Pachymenes'' is a small but widely distributed Neotropical genus of

potter wasp Potter wasps (or mason wasps), the Eumeninae, are a cosmopolitan wasp group presently treated as a subfamily of Vespidae, but sometimes recognized in the past as a separate family, Eumenidae. Recognition Most eumenine species are black or brown, ...

s, it has been proposed that another Neotropical genus, ''

Santamenes ''Santamenes'' is a small but widely distributed neotropical genus of potter wasp Potter wasps (or mason wasps), the Eumeninae, are a cosmopolitan wasp group presently treated as a subfamily of Vespidae, but sometimes recognized in the past as ...

'', 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: 71–172. Potter wasps Hymenoptera genera {{potter-wasp-stub