摘要

Four new species of the Stenus indubius group from China are described: S. yaoluopingus Hu & Tang, sp. n. from Anhui Province, S. lizipingus Hu & Tang, sp. n., and S. fuscus Hu & Tang, sp. n. from Sichuan Province, and S. absconditus Hu & Tang, sp. n. from Guizhou Province. The diagnostic characters of the new species are illustrated and a published key to Chinese species of the group by Puthz, 2017 is modified to include the new species. Additional records of some species of the group are also provided.

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