Neighbour-joining tree based upon the COI data, illustrating the clustering of the Chinese samples by Zhao et al. (2016) together with Paratettix and not Tetrix species, data extracted from the Barcoding of life project.

 
 
  Part of: Lehmann AW, Devriese H, Tumbrinck T, Skejo J, Lehmann GUC, Axel Hochkirch A (2017) The importance of validated alpha taxonomy for phylogenetic and DNA barcoding studies: a comment on species identification of pygmy grasshoppers (Orthoptera, Tetrigidae). ZooKeys 679: 139-144. https://doi.org/10.3897/zookeys.679.12507