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Notes on the Metrocoris lituratus group (Heteroptera: Gerridae: Metrocoris) with descriptions of four new species in Sichuan Basin from China

ZHEN YE, PING-PING CHEN, WEN-JUN BU

Abstract


This paper provides the descriptions of four new species from eastern and southern regions of the Sichuan Basin in China: Metrocoris astictus sp. nov. and M. falciformis sp. nov. from Sichuan Province, M. guizhouensis sp. nov. and M. zhengi sp. nov. from Guizhou Province. M. sichuanensis Chen & Nieser, 1993 is currently transferred from the M. stali group to the M. lituratus group. A junior synonym M. bui Chen & Zettel, 1999 is proposed. Photographs of the male and female dorsal habitus and male genitalic structures are provided, accompanied by line drawings of male forelegs, endosomal structures and a distributional map of the newly described species. Finally, a key to the males of the species assigned to M. lituratus group is also provided to assist in identification.

 


Keywords


Hemiptera, Heteroptera, Gerridae, Metrocoris, new species, new synonym, Sichuan Basin, China

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References


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DOI: http://dx.doi.org/10.11646/zootaxa.4117.3.4

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