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Revision of the genus Chalcasthenes Arrow (Coleoptera: Scarabaeidae: Dynastinae: Oryctoderini) from the Solomon Islands
Jameson, Mary Liz Ratcliffe, Brett C.
Jameson, Mary Liz
Ratcliffe, Brett C.
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Issue Date
2009-05-18
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Article
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Keywords
Allometry,Biogeography,Rutelinae,Scarabaeoidea,Chalcasthenes,Strehlia
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Citation
Abstract
The genus Chalcasthenes Arrow (Dynastinae: Oryctoderini), a scarab beetle genus endemic to the Solomon Islands, is reviewed. Based on
examination of type specimens, the genus Strehlia Frey (Rutelinae: Rutelini: Parastasiina) is a new junior synonym of Chalcasthenes. The historical
classification of these genera (either in the subfamily Dynastinae or Rutelinae) and character-based criteria for assigning the taxa to
the Dynastinae are provided. We discuss character states that support the monophyly of members of the genus Chalcasthenes, comment
on the distribution and biogeography of species in the genus and provide a key to species. The genus includes four species: Chalcasthenes
divinus Endrödi, Chalcasthenes pulcher Arrow, Chalcasthenes squamigerus Frey new combination and Chalcasthenes styracoceros Jameson and
Ratcliffe n. sp. Species hypotheses are corroborated based on evidence from Pleistocene geological reconstructions of the Solomon Islands,
geographic variation of bird species in the region, and development in scarab beetles.
Table of Contents
Description
Publisher
Wiley-Blackwell
Journal
Book Title
Series
Australian Journal of Entomology 48:2 (2009), pp. 149–163;
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Archival Collection
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ISSN
1440-6055