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Revision identifies Indarbela as a monotypic genus in South-Eastern Asia, establishing new synonymy links and mapping its distribution.
In the thirteenth part of the revision of the family Metarbelidae (Lepidoptera) of South-Eastern Asia, we provide a revision of the little-known genus Indarbela Fletcher, 1922, establishing a new synonymy: I. quadrinotatus (Walker, 1856) = Arbela tetraonis Moore, 1879 syn. nov. Indarbela quadrinotatus (Walker, 1856) is redescribed. As a result of this study, Indarbela has been changed to a monotypic genus. The distribution map of the genus is provided.
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Yakovlev et al. (2025) studied this question.
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