The genus Tropidodynerus Blüthgen is newly recorded from China and two new species of the genus are described and illustrated, namely Tropidodynerus (Tropidodynerus) liupanshanensis sp. n. from Ningxia, China and T. (T.) concavus sp. n. from Hebei, China. In addition, a key to all known species of the subgenus Tropidodynerus is updated. Type specimens of these two new species are deposited in Hebei University and Chongqing Normal University.