Fig. 4 in The Pink Katydids of Sabah (Orthoptera: Tettigoniidae: Phaneropterinae: Eulophophyllum) with Description of Two New Species

Fig. 4. Stridulation of Eulophophyllum lobulatum sp. n. (holotype) in field: A, oscillogram showing time pattern of double-click echemes of undisturbed male; B, single double-click in greater time resolution; C, sonogram of a single double-click; D, spectrum analysis of sound. A, after applying a bandpass filter 6-16 kHz; B-D, from unfiltered recordings. Recordings by P. Hoffmann.