Leptothorax (Nesomyrmex) pleuriticus Kempf, 1959d: 417, figs. 2, 22, 27 (w.q.m.) GUYANA. Neotropic.

Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated, “a single colony”). Primary type locality: Guyana (“British Guiana”): Kartabo, 3.ix.1920, in Tachigalia (W.M. Wheeler). Primary type depositories: MCZC, MZSP. Type notes: Kempf, 1959d: 417, cites 3 worker, 2 queen syntypes.