Azteca alfari worker ant guarding her Cecropia host tree.

Gamboa, Panama
Philidris ants spill forth from a breach in their Myrmecodia host plant.

Iron Range National Park, Queensland, Australia
Philidris ants at the entrance to their nest in a Myrmecodia host plant.

Iron Range National Park, Queensland, Australia
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants. 

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants.  Here, a worker carries a larva to safety after the photographer disturbs the nest.  Note the mealybugs at lower-left, which the ants tend for honeydew.

Gamboa, Panama

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants.  Here, a worker drags a larva to safety after the photographer disturbs the nest.

Gamboa, Panama
Azteca alfari Cecropia ants guard their tree zealously against intruders. Working together, they surround and immobilize their opponents such as this trap-jaw ant by pinning down their appendages. 

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants.  Here, a worker walks across a pile of maturing pupae.

Gamboa, Panama
Azteca alfari Cecropia ants do not tolerate other species on their host tree. When intruders are encountered, the Azteca patrollers work together to pin them down. Interestingly, the offending insects aren't always killed. This Camponotus was simply dragged to the edge of the plant and dropped.

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants.

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants. 

Gamboa, Panama
The hollow stem of a Cecropia tree houses a colony of fierce Azteca alfari ants.

Gamboa, Panama
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all images and text © Alex Wild 2001-2013