Primary type information:
Type-material: holotype worker. Type-localities: Saudi Arabia: Wadi Khumra, 10.ii.1978 (W. Büttiker). Type-depository: NHMB (perhaps also in WMLC).
Secondary type information:
Paratype-material: paratype workers, paratype queens, paratype males (numbers not stated). Paratype-localities: paratypes with same data as holotype, paratypes Saudi Arabia: Khashm Khafs, 25.i.1981 (W. Büttiker). Paratype-depository: NHMB (perhaps also in WMLC).