Pheidole arciruga Forel, 1908 junior synonym of current valid taxon Pheidole cavifrons Emery, 1906
Pheidole arciruga Forel, 1908: 381 (w.) BRAZIL (Rio Grande do Sul). Neotropic.
Primary type information: Primary type material: syntype minor workers (number not stated). Primary type locality: Brazil: Rio Grande do Sul (H. von Ihering). Primary type depository: MHNG.
Citations

Extant: 0 valid subspecies (1 obsolete combination)