Polyrhachis (Myrma) baca Sorger & Zettel, 2010: 32, figs. 1-3 (w.) PHILIPPINES (Luzon). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Philippines: Luzon, Laguna, Los Baños, Mt Makiling, Mud Springs, ca 650 m., 13.ii.1999 (S. Schödl). Primary type depository: NHMW.