Pheidole xanthogaster Wilson, 2003a: 364, figs. (w.) PERU. Neotropic.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Peru: Madre de Dios, Cuzco Amazónico, 15 km. NE Puerto Maldonado (S. Cover & J.E. Tobin). Primary type depository: MCZC. Secondary type information: Secondary type material: 3 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depository: MCZC. Type notes: Details of paratype castes and their numbers are not given.