Abstract
Two new species of the pompilid wasp genus Dipogon occurring in the subtropical islands of Japan are described: Dipogon (Deuteragenia) amamiensis from Amami-Ohshima in the northern Ryukyu Islands, and Dipogon (Deuteragenia) ogasawarensis from Haha-jima in the Ogasawara Islands (Bonin Islands). A brief discussion of the distribution of the Japanese species of Dipogon (Deuteragenia) is provided.