Brachymyrmex tristis Mayr, 1870 valid
Brachymyrmex tristis Mayr, 1870a: 389 (w.) COLOMBIA. Neotropic.
Primary type information: Primary type material: lectotype worker (by designation of Ortiz-Sepúlveda et al., 2019: 532). Primary type locality: Colombia (“New Granada”): (no further data) (Lindig). Primary type depository: NHMW. Type notes: Lectotype designation may be redundant as apparently only 1 worker was originally described.