Myrmelachista ambigua subsp. ramulorum Wheeler, 1908a: 155, pl. 11, figs. 9, 10 (w.q.m.) PUERTO RICO. Neotropic.

Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type locality: Puerto Rico: Culebra I., iii.1906 (W.M. Wheeler) (by restriction of Kempf, 1972b: 148). Primary type depositories: MCZC, USNM. Type notes: Other original syntype localities: Puerto Rico: Arecibo, and Utuado, iii.1906 (W.M. Wheeler).