Pheidole arivo Salata & Fisher, 2021: 11, figs. 2B, 3B, 4B, 4I, 5B, 5I, 7A-7F (s.w.) MADAGASCAR. Malagasy.

Primary type information: Primary type material: holotype major worker. Primary type locality: Madagascar: Toamasina, Corridor Forestier Analamay-Mantadia, Ambohibolakely, -18.77898, 48.36375, 918 m., 25.xi.2012, BLF29805 (B.L. Fisher, et al.). Primary type depository: CASC. Primary type specimen: CASENT0923263. Secondary type information: Secondary type material: 1 paratype major worker, 3 paratype minor workers. Secondary type locality: 1 paratype minor worker with same data as holotype, 1 paratype minor worker with same data as holotype but BLF29802, 1 paratype major worker, 1 paratype minor worker with same data as holotype but BLF29813. Secondary type depository: CASC. Secondary type specimen: CASENT0300266, CASENT0300263, CASENT0300267.