Of the approximately 8,000 species of ants in the world, all 5 species of Polyergus and some 200 species in other genera have evolved some degree of parasitic relationship with other ants.

• 在世界上的大约8，000种蚂蚁中，所有5种Polyergus属的蚂蚁，以及其它属的大约200种蚂蚁已和其它蚂蚁间发生了相当程度的寄生关系。