Pheidologeton marauder ants have one of the largest size disparities between the largest and smallest worker ants in a colony. The ants pictured here- large and small alike- are all sisters. Supermajor workers have powerful mandibles that are useful for cutting up and carrying large prey items such as this beetle grub.
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This image was captured with a Canon EOS D60, with a Canon 65/2.8 MPE 1-5x Macro lens.