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1 December 2009 Revision of the Genus Orcus Mulsant (Coleoptera: Coccinellidae: Chilocorini)
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Abstract

Species of the genus Orcus Mulsant, 1850 are revised, keyed and illustrated. Orcus biroi var. ruficollis Weise, 1902 is regarded as a synonym of Orcus biroi Weise, 1902 new synonym. Lectotypes are designated for Orcus biroi Weise, Orcus biroi var. ruficollis Weise, Orcus cinctus Weise and Orcus nigricollis Weise. Three new species, all from New Guinea, are described: Orcus cordiformis, O. tetrafasciatus, O. viridulus. Orcus carinicus Gorham, O. bipunctatus Gorham and O. quadriguttatus Gorham are removed from Chilocorini and transferred to the genus Sticholotis Crotch (Sticholotidini) (new combinations). Distribution, nomenclatural history and diagnoses are provided for each species.

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Piotr Łączyński and Wioletta Tomaszewska "Revision of the Genus Orcus Mulsant (Coleoptera: Coccinellidae: Chilocorini)," Annales Zoologici 59(4), (1 December 2009). https://doi.org/10.3161/000345409X484955
Received: 20 October 2009; Accepted: 1 November 2009; Published: 1 December 2009
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