Male genitalia and right inner tympanum of Svistella rufonotata and S. yayun He, sp. nov. A male genitalia of S. yayun He, sp. nov. in ventral view, holotype, ECNU 4969 B, C male genitalia of S. rufonotata in ventral view from specimens ECNU 266 and ECNU 494, respectively D, E inner tympanum of S. yayun He, sp. nov. from a paratype ECNU 4961 and the holotype, ECNU 4969, respectively F, G inner tympanum of S. rufonotata from specimens ECNU 494 and ECNU 1756, respectively. Black arrows indicate the tip and a lateral process of ectoparamere. Scale bars: 0.5 mm.