Cosmopterix asignella is a moth in the family Cosmopterigidae. It was described by Sinev in 1988. It is found in the Russian Far East (Primorye).Sinev, SYu., 1988: New data on the Palaearctic fauna of narrow-winged moths of the genus Cosmopterix Lepidoptera, Cosmopterigidae. Zoologicheskii Zhurnal, 675: 705-712
References
Natural History Museum Lepidoptera generic names catalog