Pogonomyrmex desertorum - harvester ant
Arizona, USA

photograph © Alex Wild 2008

A harvester ant brings up excavated soil from work deep inside the nest.  Long hairs on the underside of the ant's head, a structure called a psammophore, holds the loose soil in place for easy transport. 

USA AZ Pima Co.: Tucson
32º14.24'N 110º56.44'W 750m. iii.2008
Urban lot, nest in soil.

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.