Myrmelachista (Decamera) catharinae var. petropolitana Santschi, 1936b: 204 (w.) BRAZIL (Rio de Janeiro). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Rio de Janeiro, Petrópolis (no collector’s name; perhaps T. Borgmeier). Primary type depository: NHMB. Primary type specimen: CASENT0912339. Type notes: Santschi, 1936b: 204, indicates: "Je possède un exemplaire, déterminé par le R. P. Borgmeier...". However, MZSP houses another worker labeled as cotype by Borgmeier (MZSP0083659).