Leptothorax tuberum subsp. sachalinensis Kupyanskaya, 1990a: 142 (w.q.) RUSSIA (Sakhalin Is). Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Russia: Sakhalin I., Starodubskoe, 1.viii.1978 (A. Kupyanskaya). Primary type depository: BPIV. Secondary type information: Secondary type material: 9 paratype workers, 1 paratype queen. Secondary type locality: same as for holotype. Secondary type depository: BPIV.