Primary type information:
Type-material: holotype worker. Type-locality: Oman: Wadi Matam, 1.ii.1986 (M.D. Gallagher). Type-depository: WMLC. Type-specimen: CASENT0922325.
Secondary type information:
Paratype-material: paratype workers (number not stated). Paratype-locality: paratype workers with same data as holotype, paratype workers Saudi Arabia: Nuayriyah, 20.v.1980 (W. Büttiker), paratype workers Yemen: Sana’a, ii.1991 (A. van Harten). Paratype-depository: WMLC (holotype) (possibly also in NHMB if Büttiker material was returned, possibly in OMHN if Gallagher material has been retained there).