Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Euagra coelestina". The Global Lepidoptera Names Index. Natural History Museum. Retrieved May 3, 2018. Note: This source gives the authority and year as "Cramer, 1782", but Savela gives "Stoll, [1781]; in Cramer, Uitl. Kapellen4 (29-31)".