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Evolutionary ecology

Pax Argentinica

Colonizing species often lose genetic variation. Usually this has harmful effects, but in Argentine ants it has led to loss of clan warfare and formation of supercolonies that overwhelm native species.

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Figure 1: In combat — Argentine ants fighting.



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Correspondence to David C. Queller.

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Queller, D. Pax Argentinica. Nature 405, 519–520 (2000).

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