Abstract Three new Ptychoptera Meigen, 1803 species from southern China, P.hekouensissp. nov., P.longasp. nov., and P.xiaohuangshanasp. nov., are described and illustrated. These new species are mainly distinguished from congeners by… Click to show full abstract
Abstract Three new Ptychoptera Meigen, 1803 species from southern China, P.hekouensissp. nov., P.longasp. nov., and P.xiaohuangshanasp. nov., are described and illustrated. These new species are mainly distinguished from congeners by their body colors and male genitalia. The genus Ptychoptera is recorded from Guangdong, China for the first time. An updated key to all Chinese Ptychoptera species is provided.
               
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