Symplanella, Fennah, 1987

Gong, Nian, Yang, Lin & Chen, Xiang-Sheng, 2020, Two new species of the genus Symplanella Fennah (Hemiptera, Fulgoromorpha Caliscelidae) from China, Zootaxa 4801 (2), pp. 355-362 : 356

Key to species of genus Symplanella (modified from Yang and Chen, 2014) (males)

1. Frons and clypeus mostly blackish or dark brown........................................................... 2

- Frons and clypeus mostly not blackish or dark brown........................................................ 5

2. Head in lateral view with the apex acute ( Yang and Chen, 2014: fig. 16)................. S. hainanensis Yang and Chen

- Head in lateral view with the apex rounded................................................................ 3

3. Anal segment short ( Figs 22–23 )........................................................ S. nigricans sp. nov.

- Anal segment rather long............................................................................... 4

4. Frons and clypeus mostly blackish brown ( Yang and Chen, 2014: fig. 29); pygofer with one stout process at middle ( Yang and Chen, 2014: fig. 32)............................................................. S. zhongtua Yang and Chen

- Frons and clypeus mostly dark brown ( Chen et al., 2014: fig. 2–101, E); pygofer with one lobe-like process at dorsal posterior angle ( Chen et al., 2014: figure 2–101, I)................................. S. brevicephala (Chou, Yuan and Wang)

5. Body mainly reddish yellow ( Figs 1–2 )....................................................... S. fulva sp. nov.

- Body mainly not reddish yellow......................................................................... 6

6. Median of forewing with three branches ( Fennah, 1987: fig. 6); genital style long in posterior view, posterior margin broadly concave ( Fennah, 1987: fig. 5)........................................................... S. breviceps Fennah

- Median of forewing with four branches; genital style short in posterior view, posterior margin not concave or slightly convex ................................................................................................... 7

7. Posterior margin of pygofer with one process ( Zhang and Wang, 2009: fig. 6)............ S. unipuncta Zhang and Wang

- Posterior margin of pygofer without process ( Yang and Chen, 2014: fig. 9)................. S. recurvata Yang and Chen

Figures

FIGURES 15–28. S. nigricans sp. nov., male 15 Male habitus, dorsal view 16 Male habitus, lateral view 17 Head and thorax, dorsal view 18 Face 19 Head and thorax, lateral view 20 Fore wing 21 Hind wing 22 Anal segment, dorsal view 23 Male genitalia, lateral view 24 Pygofer, posterior view 25 Genital styles, lateral view 26 Pygofer and genital styles, ventral view 27 Aedeagus, lateral view 28 Aedeagus, dorsal view. Scale bars: 0.5 mm (15–19, 23–24, 26), 0.3 mm (22, 25, 27–28), 2 mm (20–21).

FIGURES 1–14. S. fulva sp. nov., male 1 Male habitus, dorsal view 2 Male habitus, lateral view 3 Head and thorax, dorsal view 4 Face 5 Head and thorax, lateral view 6 Fore wing 7 Hind wing 8 Anal segment, dorsal view 9 Male genitalia, lateral view 10 Pygofer, posterior view 11 Genital styles, lateral view 12 Pygofer and genital styles, ventral view 13 Aedeagus, lateral view 14 Aedeagus, dorsal view. Scale bars 0.3 mm (8–14), 0.5 mm (1–5), 1 mm (6–7).