Crematogaster depilis
Southern California, USA

photograph © Alex Wild 2005

Defensive behavior in a Crematogaster acrobat ant.  When this ant's nest was disturbed, she exuded a foamy, noxious secretion from the tip of her abdomen.

USA, CA: Riverside Co., 7 km SW Chiriaco Summit
1.i.2005  33º37'N 115º47'W, 630m
Sonoran (Colorado) desert, nest in rotting Acacia stump.
#AW2594, voucher specimens deposited at ALWC

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 with a Canon 65/2.8 MPE 1-5x Macro lens.