Oecophylla smaragdina weaver ants have killed a trap-jaw ant and are cooperating to carry it up a tree branch to their nest. 

Cape Tribulation, Queensland, Australia
Oecophylla smaragdina minor workers tend to larvae in the brood nest. These small workers are present in great numbers in weaver ant colonies but are rarely seen outside the nest.

Cairns, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata is a crab spider that mimics Oecophylla smaragdina in order to approach and prey on the ants.

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
Amyciaea albomaculata

Cape Tribulation, Queensland, Australia
See photo in original gallery.
all images and text © Alex Wild 2001-2013