Orectognathus versicolor
Brisbane, Australia

photograph © Alex Wild 2004

The Australian species Orectognathus versicolor is unusual among trap-jaw ants in having a morphologically distinct major worker caste.  The large ant (center-left) is a major.  A minor worker (at right) has her mandibles open.

Australia, QLD: Mt. Glorious.
21.viii.2004, 27º20.192'S 152º45.808'E, 680m.
Subtropical Rainforest.
#AW2471, 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.