Pogonomyrmex californicus & Dorymyrmex bicolor
Fallon, Nevada, USA
Small Dorymyrmex ants attack a Pogonomyrmex californicus harvester ant nest, trapping the larger ants in their own nest. By preventing the Pogonomyrmex from foraging, the Dorymyrmex at this site were able to dominate the foraging area.
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This image was captured with a Nikon Coolpix 995.