Octostruma gymnosoma Longino, 2013b: 33, figs 1B, 3B, 5M, 25, 43 (w.) MEXICO (Chiapas). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Mexico: Chiapas, 2 km. SE Custepec, 15.72099, -92.95054, ±200 m., 1520 m., mesophyll forest, ex sifted leaf litter, 17.v.2008 (LLAMA WM-A-02-1). Primary type depository: CASC. Primary type specimen: JTLC000015356. Secondary type information: Secondary type material: 2 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: CFSS, JTLC.