Formica fusca rubescens Forel, 1904 unresolved junior homonym, junior synonym of current valid taxon Formica cunicularia Latreille, 1798
Formica fusca var. rubescens Forel, 1904g: 423 (w.) SWITZERLAND. Palearctic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Switzerland: (no further data) (A. Forel). Primary type depository: NHML. Type notes: 1) This taxon is based on workers of “the large variety of Formica fusca with reddish thorax”, in Forel, 1874: 54. 2) Seifert & Schultz, 2009b: 261, cite 4 worker syntypes, labeled “Vaux”.
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