Pheidole passivaeferox Longino, 2019: 52, pl. 25 (s.w.q.) COSTA RICA. Neotropic.

Primary type information: Primary type material: holotype major worker. Primary type locality: Costa Rica: Heredia, La Selva Biological Station, 10.43333, -84.01667±2 km., 50 m., 21.vii.1986, JTL1429 (J. Longino). Primary type depository: UCRS. Primary type specimen: INBIOCRI002279624. Secondary type information: Secondary type material: paratype major workers, paratype minor workers (numbers not stated). Secondary type locality: same as for holotype. Secondary type depositories: CASC, DZUP, JTLC, MCZC, UCRS, USNM.