Typhlomyrmex Mayr

Type Species: Typhlomyrmex rogenhoferi Mayr

Diagnosis (Females): Head subquadrate; antennal club sometimes well-defined and formed by 3 or 4 segments; cephalic vertex mostly smooth and shining, sometimes presenting faded striae or rugulae; eye absent or reduced, with less than 15 ommatidia; promesonotal suture well marked, totally interrupting dorsal mesosomal sculpture; propodeal spiracle separated from declivity margin by a distance longer than its diameter; metacoxal dorsum unarmed or at most with a small lobe or denticle; petiole pedunculate, sometimes with a prominent anteroventral process.

Species: clavicornis, foreli, lavra new combination, lenis new combination, major, meire, prolatus, pusillus, reichenspergeri new combination, and rogenhoferi .

Distribution: Exclusively Neotropical, occurring from Mexico to Argentina (Buenos Aires).

Notes: Mostspecies of Typhlomyrmex can be identified usingthe key of Lacau et al. (2008), while T. lavra, T. lenis, and T. reichenspergeri (formerly included in the striatula group of Gnamptogenys) can be identified using Camacho et al. (2020).