Linepithema iniquum workers from different colonies fighting.

Morretes, Paraná, Brazil
Linepithema iniquum from different nests, fighting. Myrmecologists can sometimes measure the territory of an an colony by testing the aggression of ants collected at different distances.

Morretes, Paraná, Brazil
The distinctly-patterned Linepithema leucomelas nests at the bases of bromeliads and other epiphytic plants in Brazil's Atlantic forest region.

Morretes, Paraná, Brazil
The distinctly-patterned Linepithema leucomelas nests at the bases of bromeliads and other epiphytic plants in Brazil's Atlantic forest region.

Morretes, Paraná, Brazil
Linepithema iniquum from different nests, fighting.

Morretes, Paraná, Brazil
Linepithema iniquum ranges from central America to northern Argentina and is recognized by the distinct "step" in its thoracic profile.

Morretes, Paraná, Brazil
Linepithema iniquum workers from different colonies fighting.

Morretes, Paraná, Brazil
Linepithema iniquum workers from different colonies fighting.

Morretes, Paraná, Brazil
Linepithema iniquum workers from different colonies fighting.

Morretes, Paraná, Brazil
Linepithema iniquum workers from different colonies fighting.

Morretes, Paraná, Brazil
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all images and text © Alex Wild 2001-2013