Diacamma palawanicum var. concentricum Wheeler & Chapman, 1925: 64, pl. 2, figs. 7, 8 (w.) PHILIPPINES (Palawan). Indomalaya.

Primary type information: Primary type material: 5 syntype workers. Primary type localities Philippines: Binaluan (G. Boettcher), Philippines: Malampaya (W. Schultze). Primary type depository: MCZC. Primary type specimen: MCZ-ENT20433. Type notes: Syntypes of Diacamma concentricum were cited as in BSMP, an institution entirely destroyed in World War II.