Massive ant invasion bighead New Caledonia ; Massive invasion of Pheidole megacephala (big-headed ant) ??near the former coffee plantation of the tribe of Bangou has Paita. Originally invaded by fire ant (Wasmannia auropunctata), whose bite is painful, the big-headed ant was introduced to destroy it. Ant bighead actually taken the place of the fire ant, but the ant bighead promotes the development of scales, which ultimately made possible the cultivation of coffee. The solution is worse than the disease.