Formica stenoptera Foerster, 1850 junior synonym of current valid taxon Formica rufibarbis Fabricius, 1793
Formica stenoptera Foerster, 1850a: 26 (w.q.) GERMANY. Palearctic.
Primary type information: Primary type material: syntype workers, syntype queen(s) (numbers not stated). Primary type locality: Germany: vic. Aachen (A. Foerster). Primary type depository: unknown (no material known to exist). Type notes: According to Horn & Kahle, 1935: 78, Foerster’s formicid types are in MNHU, but Seifert & Schultz, 2009b: 271, state that “According to our own search in German collections type material of Förster is completely destroyed”.