Melophorus gibbosus sp. n.: major worker paratype (ANIC32-900073–second point from top; end ant) frons (a), profile (b) and dorsum (c); minor worker holotype (ANIC32-900031) frons (d), profile (e) and dorsum (f); distribution map for the species (g). Low resolution scale bars: 1 mm (b, c); 0.5 mm (a, e–f); 0.2 (d).