Sima difficilis Emery, 1900 an obsolete combination of Tetraponera difficilis (Emery, 1900)
Sima difficilis Emery, 1900: 677 (w.) INDONESIA (Sumatra). Indomalaya.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Indonesia: Sumatra, Benculen (E. Modigliani). Primary type depository: MSNG. Type notes: Ward, 2001: 603, cites 2 worker syntypes.
Citations

Extant: 0 valid subspecies (1 obsolete combination)