Pheidole biconstricta r. bicolor Emery, 1890c: 50 (s.w.) COSTA RICA. Neotropic.

Primary type information: Primary type material: syntype major workers, syntype minor workers (numbers not stated). Primary type locality: Costa Rica: (no further data), 1889 (A. Alfaro). Primary type depository: MSNG.

Infrasubspecies

• P. b. b. regina Forel, 1908