An aberrant species of Nipponocercyon from Sichuan, China (Coleoptera, Hydrophilidae, Sphaeridiinae)

Authors: Fikácek, Martin Country: People's Republic of China DOI: 10.3897/zookeys.214.3437 Published: Jan. 1, 2012 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Hydrophilidae · Topics: Coleoptera Taxonomy and Distribution, Lepidoptera: Biology and Taxonomy, Insect and Arachnid Ecology and Behavior

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A detailed examination of specimens of Cryptopleurum sichuanicum Ryndevich, 2005 from high altitudes of Sichuan Province, China, revealed that the species belongs in the genus Nipponocercyon Satô, 1963 previously endemic to Japan. The species is here transferred in Nipponocercyon, and N. sichuanicus (Ryndevich, 2005), comb. n. is redescribed and compared with N. shibatai Satô, 1963. The male genitalia of N. sichuanicus is described for the first time. An adapted diagnosis of Nipponocercyon is provided, and reasons for the inclusion of N. sichuanicus into Nipponocercyon and the general distribution of the genus are discussed.

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