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Five new species belonging to the Chrysotus laesus-group redefined by Wei and Zhang are described and illustrated, and the group is divided into 5 species-subgroups: adunatus-subgroup, brevicercus-subgroup, nudisetus-subgroup, laesus-subgroup, trapezinus-subgroup. A key to the Chrysotus species groups known from China and all 22 species assigned to Ch. laesus species-group are provided. The type specimens of the new species are deposited in the Anshun Centre for Disease Prevention and Control, Anshun, Guizhou (ACDPCAG).http://www.zoobank.org/urn:lsid:zoobank.org:author:1B625D8E-6BAB-4A49-B49A-4F7303101DAA

The dolichopodid genus Chrysotus Meigen from China is reviewed by defining of a new species group, the Chrysotus papuanus with 107 species, along with descriptions of 105 new species. A key to the other Chrysotus species groups and the species constituting the papuanus species group is provided. The voucher specimens are deposited in the Centre for Disease Prevention and Control of Anshun City, Guizhou, China.http://zoobank.org/urn:lsid:zoobank.org:pub:4395C0CE-F96A-411A-87B7-FDC28ADA512F