Leptothorax (Nesomyrmex) tonsuratus Kempf, 1959d: 412, figs. 18, 19, 21 (q.) MEXICO (Puebla), BRAZIL (Rio de Janeiro). Neotropic.

Primary type information: Primary type material: holotype queen. Primary type locality: Mexico: Puebla, Huachinango, on bamboo poles (intercepted by U.S. Plant Quarantine, El Paso, Texas, 7.ii.1945). Primary type depository: USNM. Secondary type information: Secondary type material: 2 paratype queens. Secondary type locality: 1 paratype queen Mexico: on orchids (no further data) (intercepted by U.S. Plant Quarantine, Brownsville, Texas, 10.xii.1956), 1 paratype queen Brazil: Rio de Janeiro, Porto das Caixas, iii.1928 (O. Conde). Secondary type depository: MZSP.