A male army ant during a nighttime nest emigration of Neivamyrmex nigrescens. Portal, Arizona, USA

Neivamyrmex nigrescensNeivamyrmexarmy antsNievamyrmexarmy anttemperate army antsecitoninaeformicidaeinsectsantsantmale antmale antsHymenopteraant malemale army antmacrosausage flyworker antsarmy ant columnant castesworkers and maleseusociality