Partners in a devil's garden: Myrmelachista ants and the Clidemia plants they live in. The swellings on the plant stem are hollow domatia that house the ant colony.

Jatun Sacha reserve, Napo, Ecuador
Cutting open the hollow base of a Tococa leaf reveals a colony of tiny Myrmelachista ants.

Jatun Sacha reserve, Napo, Ecuador
Partners in a devil's garden: Myrmelachista ants and the Clidemia plants they live in. The swellings on the plant stem are hollow domatia that house the ant colony.

Jatun Sacha reserve, Napo, Ecuador
A Tococa ant plant grows in a devil's garden.

Jatun Sacha reserve, Napo, Ecuador
Eciton hamatum army ants carry captured ant brood back from a successful raid.

Jatun Sacha reserve, Napo, Ecuador
Eciton hamatum army ants carry captured ant brood back from a successful raid.

Jatun Sacha reserve, Napo, Ecuador
An Eciton hamatum raiding party has discovered an ant nest in the leaf litter, and workers begin to dig in. This army ant species is a specialized predator on other social insects.

Jatun Sacha reserve, Napo, Ecuador
A raiding party of Eciton burchellii army ants streams home towards the bivuoac while a soldier stands guard.

Maquipucuna Reserve, Pichincha, Ecuador
Pseudomyrmex spinicola acacia ants guarding a nest entrance.  This species has a painful sting and a much more aggressive temperment than most other Pseudomyrmex, an effective deterrent to large vertebrate herbivores.  

Chiriqui, Panama
Partners in a devil's garden: Myrmelachista ants and the Clidemia plants they live in. The swellings on the plant stem are hollow domatia that house the ant colony.

Jatun Sacha reserve, Napo, Ecuador
Partners in a devil's garden: Myrmelachista ants and the Clidemia plants they live in. The swellings on the plant stem are hollow domatia that house the ant colony.

Jatun Sacha reserve, Napo, Ecuador
Partners in a devil's garden: Myrmelachista ants and the Clidemia plants they live in. The swellings on the plant stem are hollow domatia that house the ant colony.

Jatun Sacha reserve, Napo, Ecuador
See photo in original gallery.
all images and text © Alex Wild 2001-2013