Figs 7–10 in Differences in the male calling songs of two sibling species of Cicada (Hemiptera: Cicadoidea) in Greece

Figs 7–10. Song of a male of C. orni L. (Dionysos, Athens). 7 – oscillogram over a period of 10 s; 8 – oscillogram with an extended time-base of 0.5 s; 9 – sonagram over a period of 1.0 s; 10 – spectrogram.