A taxonomic study of the genus Svistella Gorochov (Orthoptera, Gryllidae, Trigonidiinae) Author He, Zhuqing Author Li, Kai Author Liu, Xianwei text Zootaxa 2009 2288 61 67 journal article 10.5281/zenodo.191312 c2c6ebaa-9a14-4fa7-8a70-9f0e1ddcdbc4 1175-5326 191312 Key to species of Svistella 1 Posterior femora without dark longitudinal band at the external side .......................................................................... 2 - Posterior femora with two dark longitudinal bands at external side............................................................................. 3 2 Inner tympanum smaller than outer one as in Fig. 2 ; wings wanting; genicular lobe of posterior femora with a short black line as in Fig. 3 ; male genitalia as in Figs. 5–6 ....................................................... Svistella tympanali s sp. nov. - Inner and outer tympana almost equal; wings caudate; genicular lobe of posterior femur without black line; male genitalia as in Figs. 9–10 ................................................................................................................. Svistella rufonotata 3 Head with a black transverse band between the eyes; tegmina with blackish lateral field, male genitalia as in Figs. 12–13 .............................................................................................................................................. Svistella bifasciatum - Head without a blackish transverse band; tegmina with yellowish lateral field........................................................... 4 4 Head and pronotum without reddish brown bands and spots; male genitalia as in Figs. 14–15 ............ Svistella dubia - Head and pronotum with conspicuously reddish brown bands and spots .................................................................... 5 5 Posterior femora with two dark spots near apex; male genitalia as in Figs. 17–18........................................................ ........................................................................................................................................... Svistella anhuiensis sp. nov. - Posterior femora without dark spots near apex; male genitalia as in Figs. 24–25 .......................................................... ................................................................................................................................................... Svistella fallax sp. nov.