Abstract
The genus Aenictus is a diverse group of army ants in the Old World tropics and subtropics. The worker-based Aenictus
piercei species group of Jaitrong and Yamane (2011) is redefined and renamed here as the Aenictus minutulus group. Aenictus
piercei Wheeler et Chapman, 1930 and A. lifuiae Terayama, 1984 are removed from this group; the former is moved
to the A. javanus group and the latter to the A. ceylonicus group.