from the same day and island: https://www.inaturalist.org/observations/241536981
Clearly Camponotus, but I'm not sure what species. I didn't get a chance to measure it, but it is around Camponotus vagus media sized maybe a bit smaller.
The ant was found in mainly oak forest, but there was a lot of beech and some scots pine aswell.
Any suggestions will be appreciated!
Edit: Most likely species is Camponotus tergestinus thank you for the help max_devis!
Queens and males were flying for a few days during the night in late June. Alates found near lamps.