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We revise the taxonomy of the genus Ptychoptera Meigen, 1803 from Zhejiang, East China. One new species from Zhejiang, P.tianmushanasp. nov., is described and illustrated. Morphologically, the new species is most similar to P.emeica Kang, Xue & Zhang, 2019 and P.formosensis Alexander, 1924, but it can be distinguished by the coloration of the abdomen and the details of the male genitalia. In addition, P.bellula Alexander, 1937 is recorded from Zhejiang for the first time. Two known species from Zhejiang, P.longwangshana Yang & Chen, 1998 and P.gutianshana Yang & Chen, 1995, are redescribed and illustrated. A key to Chinese species of Ptychoptera is provided. |
