Discovery of the genus Nipponodipogon Ishikawa in the Oriental region, with description of two new species from China (Hymenoptera, Pompilidae)

The genus Nipponodipogon Ishikawa, 1965 is newly recorded from China (Guangdong, Hainan, and Yunnan) and the Oriental Region. Two new species, N. orientalis Loktionov, Lelej & Xu, sp. n. (Guangdong, Hainan, Yunnan) and N. shimizui Loktionov, Lelej & Xu, sp. n. (Guangdong, Yunnan), are described and illustrated. The updated key to the species based on Shimizu et al. (2015) is given.