Bioacoustics of Platylomia shaanxiensis

Remarks. This new species is similar to P. plana , but can be easily distinguished from the latter by the shape of fasciae on mesonotum, the three dark reddish brown spots on tergite II of male abdomen, and the shape of male opercula. Sound pattern. Based upon the observations and recordings obtained, this species usually lifts up its abdomen when make the calling song. The calling song comprises a lilting component, and the calling signal shows seven analyzed recording phrases under a time magnification. The spectrum of these acoustic signals includes frequencies from about 1 to 8 kHz, with a peak frequency of 2 kHz ( Fig. 3 ). The simple, repeated phrases comprise a long echeme (LE) with two or three short echemes (SE) at the end. LE duration is typically 0.9 s , and SE duration is 0.3 s ( Fig. 2 ).