FIGURE 2 in Isophya sicula sp. n. (Orthoptera: Tettigonioidea), a new, morphologically cryptic bush-cricket species from the Eastern Carpathians (Romania) recognized from its peculiar male calling song

FIGURE 2. Power spectra of the male calling song of Isophya sicula sp. n. (‒), Isophya camptoxypha(−) and Isophya posthumoidalis(…). (FFT size 1024 points, window function Blackmann-Harris)