The N. kanchenjunga species-group

Diagnosis. The single known species of the species-group has the whitish forewing coloration and the reddish pattern similar to those of most other species-groups. In the male genitalia, both a distal-ventral costal, and a distal

saccular processes are absent, and the distal section of the sacculus does not reach the distal section of the costa, which is unique within the genus.