• Polyrhachis (Morleyidris) as junior synonym of Polyrhachis (Hedomyrma): Hung, 1967b: 402; Dorow, 1995: 26; Bolton, 1995b: 36; Bolton, 2003: 124.

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. PDF
• Donisthorpe, H. 1944c. A new subgenus and three new species of Polyrhachis F. Smith (Hym., Formicidae). Entomologist's Monthly Magazine 80:64-66. PDF
• Dorow, W. H. O. 1995. Revision of the ant genus Polyrhachis Smith, 1857 (Hymenoptera: Formicidae: Formicinae) on subgenus level with keys, checklist of species and bibliography. Courier Forschungsinstitut Senckenberg 185:1-113. PDF
• Hung, A. C. F. 1967b. A revision of the ant genus Polyrhachis at the subgeneric level (Hymenoptera: Formicidae). Transactions of the American Entomological Society 93:395-422. PDF