Paracercopis, Schmidt, 1925

Liang, Ai-Ping, Zhang, Pei-Yi, Zhu, Xiao-Qing, Wang, Ye-Qing & Xiao, Neng-Wen, 2023, The Oriental spittlebug genus Paracercopis Schmidt (Hemiptera: Cercopoidea: Cercopidae) revisited, with description of one new species from Hubei, China, Zootaxa 5306 (2), pp. 232-242 : 239-240

Key to Species of Paracercopis

1. Forewings distinctly bicolored.......................................................................... 2

- Forewings unicolored................................................................................. 3

2. Head, pronotum and scutellum uniformly shining black; forewings with anterior two-fifths red, or brick-red, or stramineous, posterior three-fifths black ( Figs 1A, 1B , 3A ); China (Sichuan, Guangxi).................. P. seminigra ( Melichar, 1902)

- Head, pronotum and scutellum uniformly orange yellow; forewings with anterior two-fifths orange yellow, posterior three-fifths fuscous; China (Yunnan), Vietnam ( Annam)............................................... P. bicolor Liang, 1993

3. Forewings crossed by a straight, transverse, whitish or fuscous-brown fascia before middle.......................... 4

- Forewings not crossed by a straight, transverse, whitish or fuscous-brown fascia before middle....................... 6

4. Aedeagal shaft very broad and distinctly constricted subapically in lateral view (see Liang & Webb, 2002, fig. 11); forewings dull ochraceous, crossed by a straight, narrow, transverse fuscous-brown fascia before middle; northern Burma......................................................................................... P. atricapilla ( Distant, 1908)

- Aedeagal shaft relatively slender and not distinctly constricted subapically in lateral view; forewings crossed by a straight, transverse, whitish fascia before middle................................................................... 5

5. Pronotum with anterior area (excluding marginal areas) fuscous ( Figs 1C, 1D ); China...... P. chekiangensis ( Ôuchi, 1943)

- Pronotum with anterior area (excluding marginal areas) brown; northeastern India......... P. darjilingi ( Lallemand, 1924)

6. Body smaller, length ♀ less than 9.0 mm; forewings uniformly red ( Fig. 5D ); southern China...................................................................................................... P. fuscipennis ( Haupt, 1924)

- Body larger, length ♀ 9.8–10.8 mm; forewings uniformly reddish brown ( Figs 5A, 5B ); south central China (Hubei)......................................................................... P. unicolor Liang, Zhang & Xiao , sp. nov .

Figures

FIGURE 1. Paracercopis species. A, B. P. seminigra (Melichar, 1902), adult, China: Chongqing (photographs by Y.S. Li). C–E. P. chekiangensis (Ôuchi, 1943). C. Adult (China: Gansu) (photograph by J. Shi). D. Adult (China: Shaanxi). E. Spittle mass produced by nymphs (China: Shaanxi) (photographs by Z.S. Song).

FIGURE 3. Habitat in Houhe National Nature Reserve, Yichang, Hubei, China where the holotype and paratype specimens of Paracercopis unicolor Liang, Zhang & Xiao, sp. nov. was collected. A. Heping. B. Yangpoping. C. Qingshuiquan. D. Yanjiaao.

FIGURE 5. Paracercopis species. A–C. P. unicolor Liang, Zhang & Xiao, sp. nov., male adult, holotype (China: Hubei:Yichang). A. Habitus, dorsal view. B. Habitus, right dorsolateral view. C. Head, ventral view. D. P. fuscipennis (Haupt, 1924), male adult (China, Zhejiang), habitus, dorsal view. Scale bar = 1 cm.