Lasius vostochni Seifert, 2020a: 63, figs. 51, 52 (w.) RUSSIA. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Russia: Ussuri, 42.97N, 133.52E, 160 m, Krivaya-Tal, Flussterrasse, Sandboden, 7.ix.1999-43a (L. Kanter). Primary type depository: SMNG. Secondary type information: Secondary type material: 6 paratype workers Secondary type locality: 4 paratype workers with same data as holotype (on same pin as holotype); 2 paratype workers Russia: 51.3528°N, 106.4800°E, Gusinoosersk-4W, 604 m, Pinus steppe forest under stone, 11.vii.2009-145 (I. Antonov). Secondary type depository: SMNG.