Scaphoideus

Wen, Chao, Chen, Fangying & Dai, Wu, 2017, A review of the leafhopper genus Scaphoideus (Hemiptera: Cicadellidae: Deltocephalinae) from Guangxi of China, with description of one new species, Zootaxa 4247 (4), pp. 351-377 : 352-353

publication ID	https://doi.org/ 10.11646/zootaxa.4247.4.1
publication LSID	lsid:zoobank.org:pub:4EA95D19-277C-4044-BFEF-757909FFA16B
DOI	https://doi.org/10.5281/zenodo.6042954
persistent identifier	https://treatment.plazi.org/id/03958275-9E0E-9F1D-FF5D-FB7E17D019EB
treatment provided by	Plazi
scientific name	Scaphoideus
status

Treatment

Key to species of Scaphoideus View in CoL based on males from Guangxi, China

1. Head and thorax with median longitudinal yellowish or whitish stripe extending to folded front wings ( Fig.1 View FIGURE 1 A–C).........2

- Head and thorax with transverse band between eyes sometimes indistinct, no longitudinal stripe extending from head to front wings ( Figs.1 View FIGURE 1 D, E, 2 A–E, 3A–E).........................................................................4

2. Crown with two triangular black spots near apical margin and two quadrangular or zigzag spots next to eyes ( Fig.1 View FIGURE 1 A); aedea- gus without process ( Fig.4 View FIGURE 4 F, G)...................................................... S. albovittatus Matsumura View in CoL

- Crown with one spot apically and two round spots next to eyes; aedeagus with pair of processes ( Fig.1 View FIGURE 1 B, C)............. 3

3. Aedeagal shaft with one pair of apical and one pair of subapical processes ( Fig.5 View FIGURE 5 F, G).......... S. kumamotonis Matsumura View in CoL

- Aedeagal shaft with only one pair of subapical processes ( Fig.6 View FIGURE 6 F, G)....................... S. yuani Chen, Zhang & Dai View in CoL

4. Crown ochraceous, without transverse band across eyes ( Fig.1 View FIGURE 1 D)................................. S. zhoui, Li & Xing View in CoL

- Crown with transverse band across eyes ( Figs.1 View FIGURE 1 E, 2A–E, 3A–E)................................................5

5. Crown without thin transverse band or spot at anterior submargin ( Fig.1 View FIGURE 1 E); aedeagus with pair of short processes at base ( Fig.8 View FIGURE 8 E, F)....................................................................... S. proxaprocessus View in CoL sp. nov.

- Crown with thin transverse band or spot at anterior submargin ( Figs.2 View FIGURE 2 A–E, 3A–E); aedeagus without processes at base ( Fig. 9 View FIGURE 9 F, G,)..............................................................................................6

6. Crown with brown spot on either side of midline on anterior margin, fused with transverse band; subgenital plate with triangu- lar process at subapex, pygofer with process at caudal margin ( Figs. 2 View FIGURE 2 A, 9B, C)........................ S. maculatus Li View in CoL

- Crown with narrow stripe ( Figs. 2 View FIGURE 2 D, E, 3A–E) or median spot on anterior margin ( Fig. 2 View FIGURE 2 B, C); subgenital plate without pro- cess, pygofer without process at caudal margin ( Figs. 10 View FIGURE 10 B, C, 11B, C, 12B, C, 13B, C, 14B, C, 15B, C, 16B, C, 17B, C, 18B, C)..................................................................................................7

7. Crown with transverse band slightly broken into four longitudinal spindle-shaped brown stripes ( Fig. 2 View FIGURE 2 B); subgenital plate with lateral margin convex ( Fig.10 View FIGURE 10 C); aedeagus with pair of recurved apical processes ( Fig. 10 View FIGURE 10 F).... S. assamensis Li & Dai View in CoL

- Crown with transverse band complete ( Figs. 2 View FIGURE 2 D, E, 3A–E); subgenital plate with lateral margin incurved ( Figs. 11 View FIGURE 11 C, 13C, 16C, 17C, 18C); aedeagus with pair of processes directed caudally or with processes unpaired or absent ( Figs. 11 View FIGURE 11 F, G, 12F, G 13F, G 14F, G, 15F, G, 16F, G, 17F, G 18F, G).....................................................................8

8. Crown with submarginal transverse stripe ( Figs. 2 View FIGURE 2 D, E, 3A–E); aedeagus with processes unpaired or absent ( Figs. 11 View FIGURE 11 F, G, 12F,

G, 13F, G, 14F, G, 15F, G, 16F, G, 17F, G, 18F, G).............................................................9 - Crown with median spot at anterior margin ( Fig. 2 View FIGURE 2 C); aedeagus with pair of lateral processes ( Fig.11 View FIGURE 11 F)... S. nigrigenatus Li View in CoL

9. Connective process distinctly expanded near apex, arrowheadlike ( Fig. 17 View FIGURE 17 C, D)................... S. festivus Matsumura View in CoL

- Connective process slender throughout length ( Fig. 12 View FIGURE 12 D, 13D, 18D)............................................10

10. Aedeagus without subapical tooth........................................................................ 11

- Aedeagus with small tooth at dorsal margin of gonopore ( Fig.15 View FIGURE 15 A, F, G).........................................12

11. Subgenital plate broad basally, lateral margin slightly incurved at basal 1/3 ( Fig. 18 View FIGURE 18 A); aedeagal shaft strongly dorsoventrally compressed, with apical margin rounded ( Fig.18 View FIGURE 18 A, F, G, H, I)............................. S. yingjiangensis Wang & Li View in CoL

- Subgenital plate broad basally with lateral margin strongly incurved at basal 1/3( Fig. 13 View FIGURE 13 A); aedeagal shaft cylindrical, abruptly tapered apically in caudal view ( Fig.13 View FIGURE 13 F, G)...................................................... S. bilineus Li View in CoL

12. Gonopore on ventral margin ( Fig.12 View FIGURE 12 F); subgenital plate with lateral submarginal row of macrosetae over distal half ( Fig.12 View FIGURE 12 C).......................................................................................... S. exsertus Li View in CoL

- Gonopore apical; subgenital plate with several submarginal macrosetae at basal 1/3.................................13

13. Subgenital plate digitiform, with apical margin rounded ( Fig.15 View FIGURE 15 C)......................... S. dentaedeagus Li & Wang View in CoL

- Subgenital plate sharply triangular, acutely pointed at apex....................................................14

14. Aedeagus with preatrium present, shaft in lateral view slender, straight, tapering from base to apex ( Fig. 16 View FIGURE 16 F, G); connective processes straight ( Fig. 16 View FIGURE 16 C, D)................................................................ S. apicalis Li View in CoL

- Aedeagus without preatrium, shaft in lateral view U-shaped, relatively broad and perpendicular to dorsal apodeme at basal 1/3, narrowed abruptly at midlength, then tapered to apex ( Fig. 14 View FIGURE 14 A, F, G); connective processes curved dorsally ( Fig. 14 View FIGURE 14 A, C, D)........................................................................................ S. nigrisignus Li View in CoL