18. Aethes semicircularis, sp. nov.

Type locality: China (Huoditang, Ningshan and Feng County, Shaanxi; Lingchuan and Ningwu, Shanxi; Dongliao, Liaoning; Lushi, Henan; Mt. Liupan, Ningxia). Holotype (3), paratypes (10 3, 4 Ƥ): NKU. Distribution. China (Henan, Jilin, Ningxia, Shaanxi, Shanxi).

19. Aethes subcitreoflava, sp. nov.

Type locality: China (Helin and Liangcheng, Inner Mongolia; Linfen, Shanxi; Erdaobaihe, [Yanbian], Jilin; Mt. Xinglong, Yuzhong, Gansu). Holotype (3), paratypes (12 3, 4 Ƥ): NKU.

Distribution. China (Gansu, Inner Mongolia, Jilin, Shanxi).