Primary type information:
Type-material: holotype worker. Type-locality: Vietnam: Ha Tai Prov., Bavi N.P., 600 m., 12.xi.1999, VN99-HO-090 (H. Okido). Type-depository: IEHV.
Secondary type information:
Paratype-material: paratype workers (number not stated, “numerous”), 1 paratype dealate queen. Paratype-locality: 4 paratype workers with same data as holotype, “numerous” paratype workers, 1 paratype queen with same data as holotype but 670 m., 21°03’N, 105°22’E, 12.xi.2001, VN01-HO-111. Paratype-depositories: BZBC, KUEC, KUIC, MBSM.