Phylogeny of genus Sichuana Shen & Yin, 2020 (Orthoptera, Tettigoniidae, Tettigoniinae) with four new species from Sichuan, China

Four new species of Sichuana Shen & Yin, 2020 are described based on morphological comparison and molecular analysis: S. planicercata sp. nov., S. curvicercata sp. nov., S. longilamina sp. nov. and S. magnicerca sp. nov. Specimens showed some intraspecific variation of male tegmina and subgenital plates. The genes COI and 16S were used to analyze the genetic distance between species and COI was used to analyze the phylogenetic relationship of Sichuana.