Amoimyrmex silvestrii
A worker stands guard at the edge of her nest. Santiago del Estero, Argentina
Santiago del Estero, Argentina
Leafcutter ants don't normally fight with other types of ants, but they can be brutal towards other leafcutters. Here, a trio of Amoimyrmex workers team up to kill an Atta saltensis leafcutter that has wandered into their territory. Santiago del Estero, Argentina
An ancient leafcutter carries a bit of vegetation back to her nest. Santiago del Estero, Argentina
The lighter color of the leafcutter ant at right indicates a younger age. Santiago del Estero, Argentina
Workers cooperate to bring a seed back to their nest. Amaicha del Valle, Tucumán, Argentina
