Diacamma rugosum divergens Chapman & Capco, 1951 junior synonym of current valid taxon Diacamma rugosum (Le Guillou, 1842)
Diacamma rugosum var. divergens Chapman & Capco, 1951: 55 (w.) NEW GUINEA. Australasia.
Primary type information: Type-material: syntype workers (number not stated). Type-localities: New Guinea (“Nuova Guinea”) (no state data but probably Indonesia: Irian Jaya), and Indonesia: Halmahera (no collector’s name). Type-depository: MSNG.