Pheidole oswaldi r. bessonii Forel, 1891c: 176, pl. 5, fig. 3 (w.) MADAGASCAR. Malagasy.

Primary type information: Primary type material: lectotype minor worker (by designation of Salata & Fisher, 2020c: 17). Primary type locality: lectotype Madagascar: Fianarantsoa (Besson). Primary type depository: MHNG. Primary type specimen: CASENT0101838 (lectotype). Secondary type information: Secondary type material: 4 paralectotype minor workers. Secondary type locality: same as for lectotype. Secondary type depository: MHNG.