A colony of tiny Allomerus octoarticulatus ants inhabits the swollen domatia of a Cordia nodosa understory shrub.

Jatun Sacha reserve, Napo, Ecuador
A Camponotus (Myrmmobrachys) ant feeds from the nectaries of an Inga plant. The plant presumably gains protection from herbivorous insects by attracting ants in this manner.

Jatun Sacha reserve, Napo, Ecuador
A colony of tiny Allomerus octoarticulatus ants inhabits the swollen domatia of a Cordia nodosa understory shrub.

Jatun Sacha reserve, Napo, Ecuador
Ectatomma ruidum feeds from an Inga nectary.

Alluriquín, Pichincha, Ecuador
Crematogaster acrobat ants feeding from the nectaries of a Heliconia flower.

Misahuallí, Napo, Ecuador
Clidemia bush growing in a devil's garden, a monoculture caused by symbiotic Myrmelachista ants that live in the plants' domatia and kill saplings of competing species.

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
Clidemia bush growing in an Amazonian devil's garden. The garden is caused by symbiotic Myrmelachista ants that inject formic acid into the saplings of competing plants, killing them.

Jatun Sacha reserve, Napo, Ecuador
Clidemia bush growing in an Amazonian devil's garden. The garden is caused by symbiotic Myrmelachista ants that inject formic acid into the saplings of competing plants, killing them.

Jatun Sacha reserve, Napo, Ecuador
A colony of tiny Allomerus octoarticulatus ants inhabits the swollen domatia of a Cordia nodosa understory shrub.

Jatun Sacha reserve, Napo, Ecuador
A colony of tiny Allomerus octoarticulatus ants inhabits the swollen domatia of a Cordia nodosa understory shrub.

Jatun Sacha reserve, Napo, Ecuador
A colony of tiny Allomerus octoarticulatus ants inhabits the swollen domatia of a Cordia nodosa understory shrub.

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