Eciton burchelli/Eciton army ant

The eciton army ant is native to the Americas. It is a polymorphic ant with the soldier ants (like the one pictured) having much larger heads and sickle-shaped mandibles. The colonies live in bivouacs, these are nests the worker ants construct using their own bodies en-mass. The nests are routinely moved as the foraging paths change. Width of the image 1.5 centimetres