Svistella Gorochov, 1987

Li, Shi-Yu, Peng, Hui-Ling & He, Zhu-Qing, 2021, Two new species of genus Svistella Gorochov, 1987 from China (Orthoptera Trigonidiidae: Trigonidiinae), Zootaxa 4949 (1), pp. 173-183 : 177

genus Svistella Gorochov, 1987

Type species: Svistella bifasciata =( Paratrigonidium bifasciatum Shiraki, 1911 )

Key to species

( Fig. 1 , 3 )

1 Forewing more or less having black color.................................................................. 2

- Forewing yellow...................................................................................... 5

2 Apical field of forewing black.............................................................. S. fuscoterminata

- Apical field of forewing not black........................................................................ 3

3 Mirror black................................................................................. S. chekjawa

- Mirror yellow........................................................................................ 4

4 With white spots on forewing.................................................................. S. argentata

- Without white spot on forewing................................................................ S. bifasciata

5 With black spots on hind femur near apical part............................................................. 6

- Without black spots on hind femur (except ventral side)....................................................... 7

6 With two black spots on side................................................................... S. anhuiensis

- With one spot on dorsal side and one on ventral side........................................... S. wuyong sp. nov.

7 Pronotum concolorous............................................................................ S. dubia

- With red or brown bands on pronotum.................................................................... 8

8 With black stripe on genicular lobe of hind femur.................................................. S. rufonotata

- Without black stripe on genicular lobe of hind femur......................................................... 9

9 Abdomen black, frons brown............................................................... S. malu sp. nov.

- Abdomen and frons yellow........................................................................ S. fallax

Figures

FIGURE 1. Svistella males in live.A, S. bifasciata; B, S. argentata; C, S. wuyong; D, S. malu; E, S. anhuiensis; F, S. rufonotata; G, S. fallax; H, S. fuscoterminata. (photos by He Z.-Q.)

FIGURE 3. Dorsal view of body and lateral view of hind femur. A&B, S. bifasciata; C&D, S. argentata; E&F, S. wuyong; G&H, S. malu; I&J, S. anhuiensis; K&L, S. rufonotata; M&N, S. fallax; O&P, S. fuscoterminata; Q&R, S. dubia (Holotype), different species in same scale bar for body and hind femur, respectively.