Leptothorax leoni Arnol'di, 1971: 1820, fig. 1(1,2) (w.q.) KAZAKHSTAN. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Kazakhstan: Karazhar, Sarysu, 25.v.1962 (Arnol’di). Primary type depository: ZISP. Secondary type information: Secondary type material: 14 paratype workers, 1 paratype queen. Secondary type locality: 10 paratype workers with same data, 2 paratype workers Kokshetau, 19.v.1958 (Arnol’di), 2 paratype workers Zhatykonyr, Kense, 10.vii.1961 (Arnol’di), 1 paratype queen Koksengir, Zhana-Arka, 22.v.1962 (Arnol’di). Secondary type depository: ZMUM.