FIGURE 7. Nisitrus danum J in Notes on the Eneopterinae (Orthoptera, Grylloidea, Gryllidae) from eastern Sabah

FIGURE 7. Nisitrus danum J calling song: oscillograms showing the continuous trill (A), six echemes of doublet syllables (B) and an echeme (doublet syllable) (C); spectrogram of the same echeme (D); power spectra of a syllable (E) where the grey line represents the power [dB] (axis name and scale in grey) and the black solid peak represents the relative amplitude (axis name in black).