Brachymyrmex patagonicus
Winged (alate) Male at the bottom.
Unwinged (dealate) female top.
Auburn, Alabama
7/16/2007
Note: The native range of Brachymyrmex patagonicus Mayr is in Argentina and Paraguay.

It is an introduced species in the United States. It was first observed in the United States
in Louisiana in 1976
For a full description of this ant see:
http://entnemdept.ufl.edu/creatures/urban/ants/dark_rover_ant.htm