Lasius exacutus Ruzsky, 1902 junior synonym of current valid taxon Lasius umbratus (Nylander, 1846)
Lasius umbratus var. exacutus Ruzsky, 1902d: 15 (w.) ARMENIA. Palearctic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Armenia: slopes of Mt Ararat, <8000 f, 10.ix.1900 (K.A. Satunin). Primary type depository: ZMUM.
Obsolete combinations