Forelius maccooki and Pogonomyrmex desertorum
Arizona, USA

photograph © Alex Wild 2008

A harvester ant worker has wandered too close to a nest of Forelius.  The Forelius nip at the intruder, but no harm is done and the larger ant eventually wanders off.

USA AZ Pima Co.: Tucson
32º14.24'N 110º56.44'W 750m. iv.2008
Urban lot.

This image is copyrighted by the photographer and cannot be used without permission. To obtain permission to use this image, please email Alex Wild. (alwild (at)  Most of the photographs on are reduced from their original size and compressed for more efficient web transmission.  In some cases, higher quality versions are available.

This image was captured with a Canon EOS 20D, using a Canon MP-E 65mm 1-5x macro lens.