Ant-agonism

Jul 31, 2008 1:04pm

If you’ve spent any time in the rural South, you’ve perhaps seen colonies of fire ants — and the hatred that people have for them.  Now a couple of entomologists have traced the genes of the red imported fire ant (Solenopsis invicta), and concluded that all of them — every single one — can be traced to fewer than 20 queen ants.  They probably arrived on one ship that docked in Mobile, Ala., in the 1930s.  It only took one.  There’s more HERE from the Agricultural Research Service of the Department of Agriculture. The research was done by DeWayne Shoemaker of the ARS, and Kenneth G. Ross of the University of Georgia.  They’ve published their results in Proceedings of the Royal Society, Biological Sciences. Why does it matter to know where they came from?  Because many farmers would dearly love some way to get rid of them.  Something better than spraying them, or picking them, painfully, off one’s skin. Hat tip to Brian Hartman in our Washington bureau for finding this.

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