View from the bunker corridor over the space with the F. polyctena ‘colony’; in the foreground, a vast ant ‘cemetery’. Photo taken on 19.01.2016 after reopening the repaired mound for a second search of offspring (Wojciech Stephan).

  Part of: Czechowski W, Rutkowski T, Stephan W, Vepsäläinen K (2016) Living beyond the limits of survival: wood ants trapped in a gigantic pitfall. Journal of Hymenoptera Research 51: 227-239.