Morphological differences between Chorthippus brunneus (green dots), C. maritimus (red dots), and C. miramae (blue dots). A,B length of stridulatory file vs. distance from the last stridulatory peg to the tip of knee in males (A) and females (B) C,D results of Principal Component Analysis based on 6 characters are shown for PC 1 and PC 2 in males (C) and females (D) E loadings of different characters to PC 1 and PC 2.

 
 
  Part of: Tarasova T, Tishechkin D, Vedenina V (2021) Songs and morphology in three species of the Chorthippus biguttulus group (Orthoptera, Acrididae, Gomphocerinae) in Russia and adjacent countries. ZooKeys 1073: 21-53. https://doi.org/10.3897/zookeys.1073.75539