A revision of Peltariosilis Wittmer (Coleoptera: Cantharidae), a surprisingly diverse Amazonian radiation
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Issue date
2020-02-28Submitted date
2020-03-06Subject Terms
AmazonMorphology
Neotropical
Silinae
Silis
Taxonomy
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Show full item recordAbstract
Peltariosilis Wittmer, 1952 is a South American Silinae genus characterised by the highly modified male pronotum and scutellum with a remarkable lamellar projection. Six species were previously recognised. The study of numerous specimens from previously unsampled localities and the revision of previously studied material shows that Peltariosilis is far more diverse than previously recognised. 15 species are here recognised as valid, nine of which are described as new: P. brancuccii, P. brunneoapicalis, P. cleidecostae, P. diversicollis, P. flavicornis, P. gracilicornis, P. major, P. orientalis and P. parviscutellaris spp. nov. A comparative study and new morphological terminologies are introduced for pronotum, scutellum and male genitalia. All Peltariosilis species are described and illustrated, including the first illustration of a female pronotum, and an identification key is provided. A map is given, including records of all known Peltariosilis, showing a distribution confined to the Amazonian subregion (Suriname, French Guiana, N Brazil, E Peru and NE Bolivia). The identity of the type species P. scutulata (Wittmer, 1952), hitherto considered as broadly distributed and highly variable, is addressed through study of their type series and additional specimens from widespread localities.Citation
Biffi, G., & Geiser, M. (2020). A revision of Peltariosilis Wittmer (Coleoptera: Cantharidae), a surprisingly diverse Amazonian radiation. Papéis Avulsos De Zoologia, 60(special), e202060(s.i.).16. https://doi.org/10.11606/1807-0205/2020.60.special-issue.16Publisher
Universidade de São Paulo (USP)Journal
Papéis avulsos de zoologia.Type
Journal ArticleItem Description
Copyrights: Papéis Avulsos de Zoologia. The journal is licensed under CC-BY Creative Commons license. Responsibility: The scientific content and the opinions expressed in the manuscript are the sole responsibility of the author(s). The attached file is the published pdf. http://www.revistas.usp.br/paz/article/view/163558/159642ISSN
0031-1049ae974a485f413a2113503eed53cd6c53
10.11606/1807-0205/2020.60.special-issue.16
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