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Male leaf-cutting ants (Acromyrmex versicolor) lek above the desert floor, awaiting virgin queens who fly into the swarm to mate. This species flies during the Arizona summer monsoon season, early in the morning after a soaking rain. Tucson, Arizona, USA
An Acanthognathus ocellatus forager hunts through a bed of moss Venezuela
Simopelta sp. nr. pergandei Parque Nacional Henri Pittier, Venezuela
A Simopelta queen with attendant workers running in a column. Her abdomen apparently exudes an attractant that keeps the attention of the following ant whose mouthparts are held open above abdominal segment 4. Parque Nacional Henri Pittier, Venezuela
Simopelta sp. nr. pergandei, nest emigration across leaf litter. Parque Nacional Henri Pittier, Venezuela
Simopelta sp. nr. pergandei, nest emigration across leaf litter. Parque Nacional Henri Pittier, Venezuela
Simopelta sp. nr. pergandei. One of the most remarkable examples of evolutionary convergence in ants involves the ponerine genus Simopelta and the true army ants (subfamilies Ecitoninae, Aenictinae, and Dorylinae). Both groups are specialized predators of other ants, and their queens have a similar morphology. Parque Nacional Henri Pittier, Venezuela
Army ant colonies typically contain workers of many sizes, each specialized for a different task. Here a Nomamyrmex esenbeckii worker stands guard over a passing column. Gamboa, Panama
Nomamyrmex esenbeckii, carrying a larva. The bright red color indicates a relatively young age for this worker. Gamboa, Panama. filename: Nomamyrmex1
Nomamyrmex esenbeckii, carrying a larva. The bright red color indicates a relatively young age for this worker. Gamboa, Panama.

filename: Nomamyrmex1
Nomamyrmex esenbeckii, carrying a larva. The bright red color indicates a relatively young age for this worker. Gamboa, Panama. filename: Nomamyrmex1
Nomamyrmex esenbeckii, carrying a larva. The bright red color indicates a relatively young age for this worker. Gamboa, Panama.

filename: Nomamyrmex1
See photo in original gallery.
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all images and text © Alex Wild 2001-2013