FIGURE 7a–j. Song diagrams per populations. a–e in Taxonomic Studies of the genus Decticus Serville, 1831 from China (Orthoptera Tettigoniidae: Tettigoniinae), based on Morphology and Songs

FIGURE 7a–j. Song diagrams per populations. a–e: D. albifrons; f–j: D. v. verrucivorus; k–o: D. v. crassus (The temperature of m2 is 29.8 °C and others are 27 °C.); a–b, f–g, k–l: A phrase series; c, h, m1–2: Elements in a chirp; d, i, n: Sonogram of the calling song; e, j, o: Power spectrum of the calling song.