Pheidole acutilobata Mackay et al., 2011: 298, figs. 1-20 (s.w.q.m.) ARGENTINA (Misiones). Neotropic.

Primary type information: Primary type material: holotype major worker. Primary type locality: Argentina: Misiones, Parque Provincial Cañadón de Profundidad, 22°33.612’S, 55°42.593’W, 160 m., 29.xii.2007, #22722 (W. & E. Mackay. Primary type depository: MACN. Secondary type information: Secondary type material: paratype major workers, paratype minor workers, paratype queens, paratype males (numbers not stated). Secondary type locality: same as for holotype. Secondary type depositories: CASC, IAVH, IMLT, MCZC, MZSP, NHMB, USNM, WEMC.