Xestophrys Redtenbacher, 1891

Kumar, Hirdesh & Chand, D. Suresh, 2023, A new species of Xestophrys Redtenbacher, 1891 (Orthoptera: Tettigoniidae; Conocephalinae; Copiphorini) from West Bengal, India, Zootaxa 5361 (4), pp. 585-589 : 588-589

Key to known species and subspecies of Xestophrys Redtenbacher, 1891 (Updated from Kumar et al., 2019)

1. Anterior femora armed (Text fig. 2I....................................................................... 2

- Anterior femora unarmed (Length of body: male: 26.0–27.0mm).............................. X. indicus Karny, 1907

2. Hind femora with more than one spine on inner margin....................................................... 4

- Hind femora with single apical spine on inner margin… X. javanicus Redtenbacher, 1891 ............................ 3

3. Large sized (Length of body: male: 29.0mm; female: 34.0–37.0mm); frons with dark brown color towards the clypeus; fastigium of vertex less obtuse........................................................ X. j. javanicus Redtenbacher, 1891

- Small sized (Length of body: female: 27mm); frons with bright rose color towards the clypeus; fastigium of vertex more obtuse....................................................................... X. j. lombockensis Carl, 1908

4. Anterior femora 3 inside and 1 or 2 outside spines; frons with same color towards the clypeus ( Kumar et al., 2019: Fig. 2B ; Farooqi & Usmani, 2018: Fig. 4)......................................................................... 5

- Anterior femora 3 inside spines, unarmed outside (Text fig. 2I); frons with bright rose color towards the clypeus (Text fig. 2B, F); stridulatory file with 41 teeth (Text fig. 2E, 3A); small sized (Length of body: male: 23.5mm).... X. bengalensis sp. nov.

5. Anterior femora 3 inside and 2 outside spines; posterior femora with 2 spines inside................................ 6

- Anterior femora 3 inside and 1 outside spine; posterior femora with 3 spines inside; stridulatory file with 43 teeth ( Farooqi & Usmani, 2018: Fig. 17); large sized (Length of body: male: 36-38mm)............. X. agraensis Farooqi & Usmani, 2018

6. Large sized (Length of body: male: 35mm); hind femora with 9 outside spines; mirror on right tegmen longer than broad................................................................................... X. horvathi Bolívar, 1905

- Small sized (Length of body: male: 28.69mm); hind femora with 8 outside spines; mirror on right tegmen as long as or slightly longer than broad; stridulatory file with 53 teeth (Text fig. 2E, 3B; Kumar et al., 2019: Fig. 2E )........................................................................................... X. namtseringa Kumar & Chandra, 2019

Figures

FIGURE 2. Xestophrys bengalensis sp. nov. (Male). A–Head & pronotum, dorsal view. B–Frons. C–Sternum, ventral view. D–Mirror of right tegmen, dorsal view. E–Stridulatory file of left tegmen, ventral view. F– Head & pronotum, lateral view. G– Stridulatory file of left tegmen, dorsal view. H–Apex of left tegmen, dorsal view. I–Fore femur, ventral view. J–Hind femur, ventral view. K–Abdominal apex, dorsal view. L–Abdominal apex, lateral view. M–Abdominal apex, apical view. N–Abdominal apex, ventral view; O–Left cercus, dorsal view.