Mysmena arcilonga A, B, D male habitus C male prosoma E–G female habitus A, F dorsal B, G ventral C anterolateral D, E lateral. Abbreviations: CS = cheliceral spines on male; FS = femoral spot; MC = Metatarsal clasping spine. Scale bars: 0.50 mm (A, B, D–G); 0.20 mm (C).