The discovery of a new species of Neofilchneria (Plecoptera: Perlodidae) from China and a review of the genus.

A new species of the perlodid genus Neofilchneria Zwick, 1973, Neofilchneria wanglanga sp. nov. from Sichuan Province of southwestern China is described. The new species is distinctive in both the male and female adult distinguishing it from the two known congeners. The discovery of this species extends the distribution of Neofilchneria from the eastern Himalayas to southwestern China. A provisional key to the adults of Neofilchneria is provided.