Eumenes gibbosus Nguyen, 2015. ♀ (38, 40, 42, 44–46) ♂ (39, 41, 43, 47). 38, 39 habitus (dorsal view) 40, 41 clypeus (frontal view) 42 head and pronotum (dorsal view) 43 antenna 44 T1 (dorsal view) 45 T2 (dorsal view) 46 metasomal segments 2 (lateral view) 47 lamella of T2 apical margin (dorsal view).