Scaeosopha percnaula

Li, Houhun, Zhang, Zhiwei & Sinev, Sergey Yu., 2012, Review of the genus Scaeosopha Meyrick, 1914 (Lepidoptera, Cosmopterigidae, Scaeosophinae) in the world, with descriptions of sixteen new species, Zootaxa 3322, pp. 1-34 : 7

The percnaula -group

Forewing ground colour varies from yellow to deep-yellow, often densely diffused with dark-brown or black spots; male valva leaf-shaped, distinctly setose distally; female ductus bursae shorter than posterior apophysis, ductus seminalis arising from near corpus bursae.