The impressive head disk of a turtle ant soldier is used as a living door to the nest. Cost, Texas, USA.
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior. Carrancas, Minas Gerais, Brazil
Cephalotes pusillus - turtle ant, major worker. The deep recesses on the head (the "scrobes") allow the ant to fully retract her delicate antennae. Carrancas, Minas Gerais, Brazil
