Worker polymorphism in the marauder ant Carebara affinis. Pictured here is a single supermajor worker, two major workers, and full complement of minor workers. These insects are all sisters and are essentially genetically identical, their different morphologies a result of developmental plasticity.
Rossville, Queensland, Australia
Pheidologeton affinisPheidologetonmyrmicinaecarebaraformicidaemarauder antsmarauder antinsectssocial insectscastebiologyworker castessupermajorsoldier antsminor workersdivision of labourpolymorphismpolymorphicant sizessizetropical antspredationecologybeetle larvapreyants eatingants huntingcomplex caste systemmedia workers