Leptothorax melleus subsp. csikii Pisarski, 1969b: 298, figs. 1-4 (w.) MONGOLIA. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Mongolia: Chovd aimak, 3 km. N Somon Uenč, Uenč gol river valley, 1495 m., 3.vii.1966, no. 619 (Z. Kaszab). Primary type depository: HNHM.