Lasius umbratus mixtoumbratus Forel, 1874 an obsolete combination of Lasius mixtoumbratus Forel, 1874
Lasius umbratus var. mixtoumbratus Forel, 1874: 48 (w.q.) SWITZERLAND. Palearctic.
Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated). Primary type locality: Switzerland: (no further data) (A. Forel). Primary type depository: MHNG ? (no type-material known to exist (Seifert, 1990: 6)).