Formica wheeleri
Chiricahua Mountains, Arizona, USA

photograph © Alex Wild 2003

Close-up of the head of the slave-raiding ant Formica wheeleri. The medial indentation of the clypeus (the "clypeal notch") is diagnostic of Formica in the sanguinea species group.

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 D60, using a Canon 65/2.8 MPE 1-5x Macro lens.