Male genitalia A, B N. occultalis sp. n., genitalia slide NAFU PYR 002397 C, D N. quadrimaculalis, genitalia slide NAFU PYR 002069.

 
 
  Part of: Ullah M, Yang Z, Qiao P, Zhang Y (2017) A new cryptic species of Nagiella Munroe from China revealed by DNA barcodes and morphological evidence (Lepidoptera, Crambidae, Spilomelinae). ZooKeys 679: 65-76. https://doi.org/10.3897/zookeys.679.11960