Figure 1 from: Guo H-F, Guan B, Shi F-M, Zhou Z-J (2016) DNA Barcoding of genus Hexacentrus in China reveals cryptic diversity within Hexacentrus japonicus (Orthoptera, Tettigoniidae). ZooKeys 596: 53-63. https://doi.org/10.3897/zookeys.596.8669

Figure 1 - Barcode gap plot showed the distance to the nearest neighbor (NN) vs. the maximum intraspecific distance Kimura-2-parameter (K2P) for 83 specimens. Dots above the 1:1 line indicated the presence of a barcode gap