Seven new species of the subgenus Homoneura Malloch (Diptera, Lauxaniidae, Homoneura) from Jiangjin District, southwestern Chongqing, China.

Seven new species of the subgenus Homoneura are described, Homoneura (Homoneura) biconica Chen & Li, sp. nov., Homoneura (Homoneura) dilatata Chen & Li, sp. nov., Homoneura (Homoneura) jiangjinensis Chen & Li, sp. nov., Homoneura (Homoneura) microtricha Chen & Li, sp. nov., Homoneura (Homoneura) multiseta Chen & Li, sp. nov., Homoneura (Homoneura) serrulata Chen & Li, sp. nov., Homoneura (Homoneura) simianshana Chen & Li, sp. nov., which were collected from Jiangjin District, southwestern Chongqing, China and are assigned to the henanensis group. A key to all of the 53 species of this species group in China is presented.

Four new species of the subgenus Homoneura from Yintiaoling Nature Reserve, China (Diptera: Lauxaniidae: Homoneura).

The subgenus Homoneura Malloch, 1927 is the most diverse in China, with more than 220 known species. Four new species of Homoneura (Homoneura) henanensis group, that is, Homoneura (Homoneura) apiconcava sp. nov., H. (H.) chongqingensis sp. nov., H. (H.) wuxica sp. nov., and H. (H.) yintiaolingica sp. nov., were described from Yintiaoling Nature Reserve, Chongqing, China. A key to the known species of this species group is presented.