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Formica incerta field ant (left) with a social parasite, the slave-raiding ant Polyergus lucidus. East Brooklyn, Illinois, USA
Formica incerta field ant (left) with a social parasite, the slave-raiding ant Polyergus lucidus. East Brooklyn, Illinois, USA
Protomognathus americanus, an acorn slave-raiding ant. Urbana, Illinois, USA
Polyergus montivagus Champaign, Illinois, USA
Polyergus montivagus. The sickle-shaped mandibles are ideal for fighting with other ants. Champaign, Illinois, USA
Polyergus sp. nr. breviceps. The ant fauna in North America is still poorly enough studied that dozens of species have yet to receive a formal scientific name. This slave-raiding ant is one of them. It is a parasite of the common field ant Formica subsericea in the midwest. Champaign, Illinois, USA
Polyergus montivagus Champaign, Illinois, USA
Polyergus montivagus Champaign, Illinois, USA
Polyergus montivagus Champaign, Illinois, USA
Formica incerta field ant (left) with a social parasite, the slave-raiding ant Polyergus lucidus.

East Brooklyn, Illinois, USA
Formica incerta field ant (left) with a social parasite, the slave-raiding ant Polyergus lucidus. East Brooklyn, Illinois, USA
Formica incerta field ant (left) with a social parasite, the slave-raiding ant Polyergus lucidus.

East Brooklyn, Illinois, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013