Primary type information:
Primary type material: holotype worker. Primary type locality: Yemen: Djebel an-Nabi Shuaib, 18.iii.1993 (C.A. Colingwood). Type depository: not stated (probably WMLC, perhaps also NHMB).
Secondary type information:
Secondary type material: 2 paratype workers. Secondary type locality: Yemen: Sumara Pass, 2500 m., 13.iii.1993 (C.A. Colingwood). Type depository: not stated (probably WMLC, perhaps also NHMB).