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2014年2月28日 Science 5 H1 D8 u6 V$ R' S: ~4 F- U
![](http://www.sciencemag.org/content/343/6174/F1.medium.gif)
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. H X1 P3 r1 o! C; CCOVER A portrait of a tawny crazy ant worker (Nylanderia fulva). Tawny crazy ants, native to central South America, are invading the southeastern United States and, in some places, displacing the current dominant South American ant invader, red imported fire ants (Solenopsis invicta). A notable ability to detoxify the venom of imported fire ants apparently underlies the success of tawny crazy ants. See pages 974 and 1014. Photo: © Alex Wild/alexanderwild.com
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