Found with it’s colony under a rock next to the trail. The colony had slaves of F. fusca group.
Formica cf. subintegra
collecting nectar from extrafloral nectaries of vetch: https://www.inaturalist.org/observations/205905301
colonies of giant conifer aphids (Cinara) tended by argentine ants (Linepithema iniquum) on most actively growing stems of a small pine (~1m tall), open habitat