Lasius excavatus Seifert, 2020a: 48, figs. 7, 8 (w.) IRAN. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Iran: 30.229°N, 55.375°E, Shar-e-babak, Maymand, on trees in garden, 2220 m, 11.vi.2004-169 (O. Paknia). Primary type depository: SMNG. Secondary type information: Secondary type material: 5 paratype workers. Secondary type locality: 2 paratype workers with same data as holotype; 3 paratype Iran: 30.900°N, 51.419°E, Sisakht, Kharidun, 2500 m, oak steppe forest, on tree, 10.vii.2007-1727 (O. Paknia). Secondary type depository: SMNG.