Tetramorium obiwan Hita Garcia & Fisher, 2014c: 125, figs. 20D, 43B, 44A, 53, 65 (w.) MADAGASCAR. Malagasy.

Primary type information: Primary type material: holotype worker. Primary type locality: Madagascar: Toliara, Parc Nat. d’Andohahela, Col du Sedro, 3.8 km. 113° ESE Mahamavo, 37.6 km. 341° NNW Tolagnaro, 24.76389S, 46.75167E, 900 m., montane rainforest, beating low vegetation, BLF05014, 21-25.i.2002 (B.L. Fisher, et al.). Primary type depository: CASC. Primary type specimen: CASENT0447245. Secondary type information: Secondary type material: 15 paratype workers. Secondary type localities: 3 paratype workers with same data as holotype, 8 paratype workers with same data as holotype but canopy moss and leaf litter, BLF05036, and BLF05136, 4 paratype workers with same data as holotype but sifted litter, BLF05010. Secondary type depositories: BMNH, CASC, MCZC.