Koshkin, E. S. “Description of the Male of Cyana nigrilineata (Hampson, 1900) (Lepidoptera, Erebidae: Arctiinae), a Little-Known Species Endemic to Sumatra Island”. Zootaxa, vol. 5375, no. 1, Nov. 2023, pp. 137-41, doi:10.11646/zootaxa.5375.1.9.