Cuilapa, Santa Rosa, Guatemala
Swollen-thorn Acacia plants live in a mutualistic symbiosis with Pseudomyrmex ants in Central America. The aggressive, stinging ants protect the plant from herbivory. In return, the plant feeds the ants with nectar and protein-rich Beltian bodies while providing living space for the ants in hollow thorns. Here an ant feeds from an extra-floral nectary.
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This image was captured with a Nikon Coolpix 995.