Pseudepitettix Modified

Huang, Chao-Mei & Deng, Wei-An, 2021, Description of a new species of the genus Pseudepitettix Zheng (Orthoptera Tetrigoidea: Cladonotinae) from China, Zootaxa 4990 (1), pp. 182-191 : 183-184

Key to Chinese species of Pseudepitettix Modified from Deng (2020).

1. Median carina of pronotum distinctly arch-like before shoulders and suddenly depressed to straight behind shoulders in profile ( Figure 1A–B ) (Distribution: China).................................................. P. convexa Deng , sp. nov.

- Median carina of pronotum slightly arch-like or straight in profile............................................... 2

2. Pronotal surface coarse, interspersed with dense protuberances or netted keels and notchs............................ 3

- Pronotal surface smooth, body surface interspersed with granules............................................... 5

3 In dorsal view, anterior margin of pronotum angularly projecting; apex of hind pronotal process rounded ( Figure 4A–B ) (Distribution: China)........................................................... P. nigritibis Zheng & Jiang, 2000

- In dorsal view, anterior margin of pronotum truncate; apex of hind pronotal process with weak excision................. 4

4. In lateral view, frontal ridge and vertex forming an obtuse rounded shape; pronotum with interhumeral carinae ( Figure 4C–D ) (Distribution: China)................................................... P. linaoshanensis Liang & Jiang, 2004

- In lateral view, frontal ridge and vertex forming a right angle shape; pronotum without interhumeral carinae ( Figure 4E–F ) (Distribution: China)..................................................... P. torulosinota (Zheng & Lin, 2016)

5. Width of vertex between eyes 2.3 times width of compound eye; in dorsal view, anterior margin of pronotum angularly projecting................................................................................................. 6

- Width of vertex between eyes 0.8–1.3 or 2.8 times width of compound eye; in dorsal view, anterior margin of pronotum truncate................................................................................................ 7

6 Interhumeral carina of pronotum absent; middle femora with straight ventral margins ( Figure 4G–H ) (Distribution: China)......................................................................... P. guibeiensis Zheng & Jiang, 1995

- Pronotum with one pair of interhumeral carinae between shoulders; middle femora with undulated ventral margins ( Figure 4I–J ) (Distribution: Thailand)..................................... P. pimkarnae Storozhenko & Dawwrueng, 2014

7. Width of vertex between eyes 2.8 times width of compound eye; apex of hind pronotal process truncate ( Figure 4K–L ) (Distribution: China).................................................................. P. yunnanensis Zheng, 1995

- Width of vertex between eyes 0.8–1.3 times width of compound eye; apex of hind pronotal process rounded............. 8

8. Width of vertex between eyes 0.8 times width of compound eye; lateral carinae of pronotum obviously constricted backward after shoulders ( Figure 5A–B ) (Distribution: China)...................................... P. strictivertex Deng, 2020

- Width of vertex between eyes 1.3 times width of compound eye; lateral carinae of pronotum straight and not constricted backward after shoulders ( Figure 5C–D ) (Distribution: China)................................ P. hainanensis Deng, 2020

Figures

FIGURE 1A–E. Pseudepitettix convexa Deng, sp. nov., holotype female. A—body, lateral view; B—the same, dorsal view; C—head and anterior part of pronotum, dorsal view; D—the same, lateral view; E—head, frontal view.

FIGURE 4A–L. P. nigritibis Zheng & Jiang, 2000; P. linaoshanensis Liang & Jiang, 2004; P. torulosinota (Zheng & Lin, 2016); P. guibeiensis Zheng & Jiang, 1995; P. pimkarnae Storozhenko & Dawwrueng, 2014; P. yunnanensis Zheng, 1995. A—P. nigritibis, dorsal view of body; B—P. nigritibis, lateral view of body; C—P. linaoshanensis, lateral view of body; D—P. linaoshanensis, dorsal view of body; E—P. torulosinota, dorsal view of body; F—P. torulosinota, lateral view of body; G—P. guibeiensis, dorsal view of body; H—P. guibeiensis, lateral view of body; I—P. pimkarnae, dorsal view of body; J—P. pimkarnae, lateral view of body; K—P. yunnanensis, dorsal view of body; L—P. yunnanensis, lateral view of head and pronotum.(A–B photo: Weian Deng, C–D after Liang & Jiang, E–F photo: Zheng & Lin, G–H after Zheng & Jiang, I–J photo: Storozhenko & Dawwrueng, K–L after Zheng).

FIGURE 5A–D. P. strictivertex Deng, 2020; P. hainanensis Deng, 2020. A—P. strictivertex, dorsal view of body; B—P. strictivertex, lateral view of body; C—P. hainanensis, dorsal view of body; D—P. hainanensis, lateral view of body. (A–D photo: Weian Deng).