Primary type information:
Primary type material: holotype worker. Primary type locality: Yemen: Sana’a, 5.iii.1993 (C.A. Collingwood). Primary type depository: WMLC.
Secondary type information:
Secondary type material: 6 paratype workers. Secondary type localities: 2 paratype workers with same data as holotype, 4 paratype workers Yemen: Wadi Surdad, 21.iii.1991 (A. van Harten). Secondary type depositories: SMNG, WMLC.