We have discovered and described a new species of ant Tyrannomyrmex alii Sadasivan & Kripakaran 2017, from Western Ghats and it has been published in the latest edition of Zootaxa.It is named after Musthak Ali, a legend in Indian Myrmecology. This new species can be distinguished from other Tyrannomyrmex species using morpho- logical characters, from T.dux by the petiolar shape, and from T. legatus and T.rex by surface sculpture and pilosity. The gyne of the genus is described for the first time.