Radicisiphum cirsomilos Zhang, Chen, Zhong & Li, in Zhang 1999 = Chitinosiphum cirsorhizum (Zhang, Chen, Zhong & Li, in Zhang 1999, as Aulacorthum)

Synonymy was established by examining holotypes of both species from the IOZ­CAS collection. The description of Aulacorthum cirsorhizum has page priority.