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.