Key to species of Barbonebriola subgen. nov

1 Midlateral and basolateral setae of pronotum absent. Lateral groove of pronotum narrow. Far Western Nepal: Api Himal. ....... N. tenuisulcata sp. nov.

– One midlateral setae of pronotum present, basolateral seta absent. ..... 2

2 Striae of elytra on disc only faintly punctate or impunctate. Basal margin of pronotum straight, not incised. West Nepal, Kanjiroba Himal: Kagmara La. .............................................................................. N. kagmara sp. nov.

– Striae of elytra on disc strongly and densely punctate. Basal margin of pronotum distinctly incised. .................................................................... 3

3 Antennal scape short, ovoid. Lateral groove of pronotum narrow. India, Himachal Pradesh: Rohtang pass. ..................... N. ganeshi LEDOUx, 1984

– Antennal scape long, slender, subcylindrical, longer than the eye's diameter. Lateral groove of the pronotum wide. ........................................ 4

4 Elytra ovoid, laterally regularly rounded. Shoulder less pronounced. Far Western Nepal: Saipal Himal. .................................. N. rubostipes sp. nov.

– Elytra elliptic to subovoid, lateral margin subparallel. Shoulder pronounced. ................................................................................................. 5

5 Pronotum flattened, wide, ratio width/length =1.45. Kashmir Himalaya of India and Pakistan. ........................................ N. barbata ANDREWES, 1929

– Pronotum domed, slender, ratio width/length = 1.25. India, Uttarakhand: Badrinath. ............................................ N. restricta LEDOUx & ROUx, 2005