The perfume or cologne can make the ants that have difficulties in to say that a friend or enemy, the researchers found that University of Melbourne The smell of the traditional severe, in the form of a Spray Cologne Tabu.It is the important role in the social communication of ants, when they met, they will do to the tentacles of another. For the exchange of chemical signals, indicating that they were friends or enemies, Professor Mark Elgar.University of Melbourne said, "if the ant is a friend will look of aggressive slightly." however, if the ants from different nutrients Reaction response is. They will open the jaws wider.The perfume or cologne can make the ant confusing. They have to brush their antennae more often in order to distinguish an ant is a friend or enemy.