ferrugineus. Pseudomyrma ferruginea Smith, F. 1877b: 64 (w.) MEXICO. Combination in Pseudomyrmex: Kempf, 1972a: 218. Senior synonym of bequaerti Wheeler (and its junior synony bequaerti Enzmann), fulvescens, hondurana, saffordi Wheeler, vesana, wasmanni: Ward, 1989: 437. See also: Ward, 1993: 136.