LINEOSA -GROUP

Species of this group may be recognized as follows: (1) in lateral view, frontoclypeus straight, not curved ventrad (Figs. 3A–C); (2) pronotum with elevated longitudinal yellow lines; (3) in dorsal view, posterior pronotal process evenly convex, gradually narrowing to apex, not projected posterolaterally (Figs. 4A–C); (4) posterior pronotal process without preapical transverse carina; (5) metafemur with cucullate setae in ventral surface absent or reduced (Fig. 7C); (6) metatibia with row I of cucullate setae absent(Fig. 7C); (8) forewing vein R 4+5 gradually curved (not strongly bent) distally (Fig. 6A).

Species included: N. lineosa Sakakibara; N. catarina Sakakibara; N. nanica Sakakibara.