Comment by SiempreViernes

Yeah, and they found evidence of cannibalism on the ant corpses examined

> Of the corpses collected from ‘cemeteries’, a vast majority (93%) bore traces of bites, and also fret holes were seen on their abdomens – typical signs left when the contents have been consumed.

This species is also known to eat their dead in other circumstances:

> It is known that wood ants consume dead bodies of their conspecifics left in masses on the ground during spectacular ‘ant wars’ early in the season.