Oligomyrmex diabolus Santschi, 1913e: 459 (diagnosis in key) (s.w.) CAMEROON. Afrotropic.

Primary type information: Primary type material: 2 syntype major workers, 2 syntype minor workers. Primary type locality: Cameroon: Victoria (F. Silvestri). Primary type depositories: MSNG, NHMB (perhaps also DEUN). Primary type specimens: CASENT0904663, CASENT0904664. Type notes: Locality data from Santschi, 1914d: 355.