Leptothorax serviculus subsp. mongolicus Pisarski, 1969b: 299, figs. 5-10 (w.) MONGOLIA. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Mongolia: Songino, 24 km. SW Ulan Baator, 22.v.1962, no. 3299 (R. Bielawski & B. Pisarski). Primary type depository: MIZW. Secondary type information: Secondary type material: 14 paratype workers. Secondary type localities: 2 paratype workers with same data as holotype, 4 paratype workers Mongolia: Uburchangaj aimak, Changaj Mt., 18 km. S Somon Chuzirt, 1830 m., 29.vi.1964 (Z. Kaszab), 3 paratype workers Central aimak, Kerulen river, 45 km. E Somon Bajandelger, 1340 m., 26.vii.1965 (Z. Kaszab), 1 paratype worker Suchibaator aimak, 44 km. SSW Baruun urt, 1050 m., 2.viii.1965 (Z. Kaszab), 1 paratype worker Čojbalsan aimak, 80 km. NW Čojbalsan, 700 m., 17.viii.1965 (Z. Kaszab), 1 paratype worker Central aimak, SE Somon Bajanzogt, 1600 m., 11.vi.1966 (Z. Kaszab), 1 paratype worker Archangaj aimak, Mt Changaj, 8 km. W Somon Urdtamir, 1620 m., 18.vi.1966 (Z. Kaszab), 1 paratype worker Bulgan aimak, 5 km. E Somon Abzaga, 1400 m., 2.vii.1964 (Z. Kaszab). Secondary type depositories: HNHM, MIZW. Secondary type specimen: CASENT0916693.