Helotropha reniformis. This species was transferred to Celaena Stephens by Kononenko et al. (1989). The genus Helotropha Lederer was reinstated for the European species H. leucostigma (Hübner) by Fibiger and Hacker (2005) and Zilli et al. (2005), so its close North American relative H. reniformis, comb. rev. should also be moved back to Helotropha.
- Kononenko VS, Lafontaine JD, Mikkola K (1989) An annotated check list of noctuid moths (Lepidoptera, Noctuidae) of Beringia. Entomologicheskoe Obozrenie 68: 549-567. Reprinted in English in Enomological Review 69: 17-138, 1990.
- Fibiger M, Hacker H (2005) Systematic list of the Noctuoidea of Europe (Notodontidae, Nolidae, Lymantriidae, Arctiidae, Erebidae, Micronoctuidae, Noctuidae). Esperiana 11: 93-205.
- Zilli A, Ronkay L, Fibiger M (2005) Noctuidae Europaeae. Vol. 8, Apameini. 323 pp. Sorø: Entomological Press.