File talk:Hormiga roja de la madera (Formica rufa), Hartelholz, Múnich, Alemania, 2020-06-28, DD 72-83 FS.jpg

Not Formica rufa

This is a very nice picture! But the ant depicted is not Formica rufa, as it has way denser pilosity (=more standing hairs) than a rufa worker would have (per example, keys usually say there should be 0-3 hairs on the back of the head of F. rufa, where we see ~60 here).

Instead this ant could be Formica truncorum - a relative of F. rufa that also usually has a red head without any dark markings, as in this picture (F. rufa normaly have black forehead), but this would have to be confirmed by an actuall examination of the specimen. Ernst.T.A. (talk) 06:20, 23 October 2022 (UTC)