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alexwild > 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
alexwild > A queen Polyergus breviceps with a host Formica argentea worker. Sagehen Creek, California, USA
alexwild > A dulotic colony of the slave-raiding ant Polyergus breviceps and its host, the silver field ant Formica argentea. Champaign, Illinois, USA
alexwild > Polyergus breviceps slave-raiding ant with its Formica argentea host. Notice the difference in mandible shape in the two species- the sharp tines in the slave-raider for fighting, and the broad working mandibles in the host. Sagehen Creek, California, USA
alexwild > A queen Polyergus breviceps with a host Formica argentea worker. Sagehen Creek, California, USA
alexwild > Polyergus breviceps slave-raiding ant with its Formica argentea host. Notice the difference in mandible shape in the two species- the sharp tines in the slave-raider for fighting, and the broad working mandibles in the host. Sagehen Creek, California, USA
alexwild > Formica argentea and Polyergus breviceps Sagehen Creek, California, USA
alexwild > Polyergus breviceps carrying a pilfered pupa back from a successful afternoon raid in the Sierra Nevada. Sagehen Creek, California, USA
alexwild > A queen Polyergus breviceps with a host Formica argentea worker. Sagehen Creek, California, 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
alexwild > 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 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
See photo in original gallery.
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