Urostylis nigromarginalis Reuter, 1881f: 85. ST(S): female, India, Darjeeling; NHRS.
Urostylis guangdongensis Z.Y. Chen, 1994: 322, 324 (syn. Ren, 1997b: 63). HT: male, China (SE), Guangdong, Shixing County, Chebaling Nature Conservation Area; Zhongshan University, Guangzhou, China.