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A Taxonomic Revision of the Genus Cionus (Coleoptera, Curculionidae) from the Oriental Region

SIMPLE SUMMARY: Cionus Clairville, 1798, is a genus of weevils distributed in Palaearctic, Afrotropical and Oriental regions. It belongs to the large subfamily Curculioninae of the family Curculionidae. This paper reviews all valid extant Oriental species of the genus based on morphological characte...

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Detalles Bibliográficos
Autores principales: Caldara, Roberto, Košťál, Michael
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10380724/
https://www.ncbi.nlm.nih.gov/pubmed/37504652
http://dx.doi.org/10.3390/insects14070646
Descripción
Sumario:SIMPLE SUMMARY: Cionus Clairville, 1798, is a genus of weevils distributed in Palaearctic, Afrotropical and Oriental regions. It belongs to the large subfamily Curculioninae of the family Curculionidae. This paper reviews all valid extant Oriental species of the genus based on morphological characters for the first time, describes one new species and gives a replacement name to another species due to primary homonymy. This is the third and final part of the revision of this genus after previous recent revisions of Palaearctic and Afrotropical species. Descriptions or redescriptions, illustrations of habitus and male genitalia, comparative biological notes, distribution, a detailed list of all examined specimens and a key to treated species are given. ABSTRACT: Oriental species of the genus Cionus are herein revised for the first time. Eight species are recognized as distinct based on morphological characters of adults. One species is described as new: C. ottomerkli sp. nov., from India, whereas the name vossi (nom. nov.) is proposed for Cionus flavoguttatus Voss, 1957 (not Stierlin, 1893). The following new synonymy is established: Cionus indicus Desbrochers des Loges, 1890 (=Cionus albosparsus Faust, 1898 syn. nov.). Lectotypes of Cionus albosparsus Faust, 1898; Cionus flavoguttatus Voss, 1957; Cionus indicus Desbrochers des Loges, 1890; Cionus obesus Pascoe, 1883; and Cionus tonkinensis Wingelmüller, 1915, are designated.