The genus is placed in a monotypic tribe Amerilini, described by Vladimir Viktorovitch Dubatolov in 2010. They are sometimes (e.g. in the "Erebidae" scheme) incorrectly merged into the Phaegopterini, but morphologically the tribe is related to Callimorphini. The elder name Rhodogastriini Kiriakoff, 1950 was based on incorrectly determined genus Rhodogastria (=Amerila in modern sense).
Caryatis species are not morphologically related to Amerila.
References
Dubatolov, V.V., 2009: Reviewing the African tiger-moth genera: 1. A new genus, two new subgenera and a species list from the expedition to Malawi by V. Kovtunovich & P. Ustjuzhanin in 2008-2009, with further taxonomic notes on South African Arctiinae. Atalanta40 (1-2): 285-301.
Dubatolov, V.V., 2010: Tiger-moths of Eurasia (Lepidoptera, Arctiidae) (Nyctemerini by Rob de Vos & Vladimir V. Dubatolov). Neue Entomologische Nachrichten65: 1-106, Marktleuthen.
Goodger, D.T. & Watson, A., 1995: The Afrotropical Tiger-Moths. An illustrated catalogue, with generic diagnosis and species distribution, of the Afrotropical Arctiinae (Lepidoptera: Arctiidae): 1-55, Apollo Books Aps.: Stenstrup, Denmark.
Edwards, E.D., 1996: Arctiidae: 278-286, 368-370. In: Nielsen, E., Edwards, E., Rangsi T., Edwards E.D., Nielsen E.S. & Rangsi, T.V.Monographs on Australian Lepidoptera4: xiv+529, CSIRO: Melbourne.
Häuser, Ch. L. & Boppre, M., 1997: A revision of the Afrotropical taxa of the genus Amerila Walker (Lepidoptera, Arctiidae). Systematic Entomology22 (1): 1-44.
Kôda, N., 1989: A Generic Classification of the Subfamily Arctiinae of the Palaearctic and Oriental Regions based on the Male and Female Genitalia (Lepidoptera, Arctiidae) Part I. Tyô to Ga38 (3): 153-237. Abstract and full article: [1].
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