Review of the European Eumenes Latreille (Hymenoptera, Vespidae) using morphology and DNA barcodes, with an illustrated key to species.

The European species of the potter wasp genus Eumenes Latreille, 1802 (Vespidae, Eumeninae) are illustrated and a new illustrated key to the 13 recognised species is presented. Eumenesmediterraneusaemilianus Guiglia, 1951 is synonymised with E.papillarius (Christ, 1791) ( syn. nov. ), E.obscurus André, 1884 and E.andrei Dalla Torre, 1894 with E.pedunculatus (Panzer, 1799) ( syn. nov. ) and E.crimensis Blüthgen, 1938 with E.sareptanus André, 1884 ( syn. nov. ).