Contribution to the knowledge of the potter wasp genus Euodynerus Dalla Torre, 1904 (Hymenoptera, Vespidae, Eumeninae) from Vietnam, with description of a new species and a key to the Oriental fauna

Additional information on the genus Euodynerus Dalla Torre from Vietnam is given. One new species, Euodynerus (Pareuodynerus) furvus sp. nov., is described and illustrated. Detailed descriptions of the male genitalia and new local records are presented for other species of the genus, including E. (Euodynerus) dantici (von Schulthess), E. (Pareuodynerus) nipanicus (von Schulthess), and E. (P.) trilobus (Fabricius).

Of these, the male genitalia of E. trilobus are described for the first time. A key is provided to species of the genus Euodynerus occurring in the Oriental region.