Kempf, 1972b: 182; Bolton, 1995b: 316.
Longino & Hartley, 1995: 195 (review); Bolton, 1995a: 1051 (census); Radchenko, 2003: 18 (all species revision, key); Zhou & Huang, 2006: 189 (China species, key); Ogata & Okido, 2007: 358 (all species revision, key); Xu & Zhang, 2012: 148 (diagnosis, all species revision, key).
Extant: 6 valid species (2 synonyms)