Ecuador - Paul Bertner
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Leaf cutter ants (Atta colombiana)

Leaf cutter ants (Atta colombiana)

The larger ant carrying the leaf is Atta major of a different worker caste than the smaller ants atop the leaf which help protect against the parasitization by phorid flies. Photographed in Mindo, Ecuador. Paul Bertner 2011.

minormajorworkercasteleafcutterAttaMindoecuador