On the genus Rhagiosoma and the identity of R. madagascariense (Coleoptera. Chrysomelidae: Sagrinae: Megamerini)

Pages 195-202
Acta Entomologica Musei Nationalis Pragae | 2007/47/1

The genus Rhagiosoma Chapuis, 1878, is removed from the synonymy with Megamerus Mac Leay, 1827. Mecynodera madagascariensis Heyden, 1877, is transferred to Rhagiosoma, its taxonomic status is revised and species rank restored. Rhagiosoma chapuisi nom. nov. is proposed as a replacement name for R. madagascariense Chapuis, 1878, nec Heyden, 1877. Lectotypes are designated for both species and their taxonomic status is discussed along with the position of Prionesthis Lacordaire, 1845. A list of all Rhagiosoma species is presented.

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