Diacamma rugosum subsp. geometricum F. Sm. var. anceps Emery, 1897a: 155, w (unavailable name; first available use of name: Matsumura & Uchida 1926: 51).

Current status: Diacamma rugosum anceps (s/f Ponerinae).

Junior synonym of Diacamma rugosum: Lin & Wu 2003: 67 . Subspecies of Diacamma rugosum: Chapman & Capco 1951: 55; Bolton 1995: 169; Terayama 2009: 103; Zhou & Ran 2010: 104; Guénard & Dunn 2012: 58.

Type locality(-ies): “ Hong Kong (essemplari racc. da Ris e mandatimi dal Forel), Engano (racc. dal Modigliani), Birmania, Carin (racc. dal Fea)” .

Original Karawajew labels: 1 w, “Engano / Bua-Bua V.VI. / Modigllani 1891”, “ Diacamma / rugosum geometr. / v. anceps Emery / typus”, “ Paratypus ”.

Material: SYNTYPE, 1 w (CASENT0916816) (Box 2) .