Tetraponera difficilis

Distribution
This taxon was described from Indonesia (Sumatra).

Nomenclature

 *  difficilis. Sima difficilis Emery, 1900d: 677 (w.) INDONESIA (Sumatra). Wheeler, W.M. 1919e: 144 (q.). Combination in Tetraponera: Wheeler, W.M. 1919e: 65. Senior synonym of dilatata, nitens, stipitum: Ward, 2001: 628.
 * stipitum. Sima stipitum Forel, 1912n: 54 (w.) SINGAPORE. Combination in S. (Tetraponera): Emery, 1921f: 27; in Tetraponera: Chapman & Capco, 1951: 82. Junior synonym of difficilis: Ward, 2001: 628.
 * nitens. Sima nitens Stitz, 1925: 117 (w.q.) PHILIPPINES. Combination in Tetraponera: Chapman & Capco, 1951: 81. Junior synonym of difficilis: Ward, 2001: 628.
 * dilatata. Sima (Tetraponera) dilatata Karavaiev, 1933c: 267, fig. 15 (w.) INDONESIA (Prinsen I.). Combination in Tetraponera: Chapman & Capco, 1951: 80. Junior synonym of difficilis: Ward, 2001: 628.