Clubiona jiugong sp. nov., the fifth species of C. zilla-group from China (Araneae: Clubionidae)

Abstract
The Clubiona zilla-group is a relatively small species group, distributed exclusively in East Asia, with only three species clearly documented so far.Clubiona hooda Dong & Zhang, 2016, which was previously placed in the C. trivialis-group, is assigned to the C. zilla-group in the present paper. A new spider of the C. zilla-group from Jiugong Mountains in China is described under the name of C. jiugong sp. nov. Detailed descriptions and photographs of the new species are provided.