Messor pergandei - Harvester Ant
Southern California, USA

photograph © Alex Wild 2005

Messor are common seed harvesting ants in southern California.  Colonies of this species contain worker ants of different sizes, while most other seed harvesters in the region have monomorphic workers. 

USA, CA: San Diego Co., Clark Dry Lake, Anza Borrego Desert State Park.
3.iv.2005  33º20'N 116º18'W, 170m
Sonoran (Colorado) desert
#AW2600, 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.