Scaphoidella, Vilbaste, 1968

Hassan, Muhammad Asghar, Hussain, Riaz & Xing, Jichun, 2025, Key to species of the leafhopper genus Scaphoidella Vilbaste, 1968 (Hemiptera: Cicadellidae) with description of a new species from China, Zootaxa 5613 (3), pp. 567-576 : 568-569

Key to species (males) of Scaphoidella

(modified from Dai & Dietrich, 2011 and Xing & Li, 2015)

1. Pygofer with conspicuous spine on dorsal margin............................................................ 2

– Pygofer without spine on dorsal margin................................................................... 5

2. Pygofer with ventrally directed spine on caudal margin ( Viraktamath & Mohan, 2004: fig. 218)............................................................................................... S. zhangi (Viraktamath & Mohan)

– Pygofer with caudal margin round, without spine............................................................ 3

3. Pygofer with dorsal spine long ( Dai & Dietrich, 2011: fig. 51); aedeagal shaft in lateral view straight ( Dai & Dietrich, 2011: fig. 55)........................................................................... S. clavatella Dai & Dietrich

– Pygofer with dorsal spine shorter; aedeagal shaft in lateral view with apex curved dorsally........................... 4

4. Crown with submarginal arcuate piceous thin band not interrupted at middle ( Dai & Dietrich, 2011: fig. 78); pygofer rounded apically in lateral view ( Dai & Dietrich, 2011: fig. 81).................................... S. punctulata (Melichar)

– Crown with submarginal arcuate piceous thin band interrupted at middle ( Dai & Dietrich, 2011: fig. 6); pygofer tapering posteriorly from midlength in lateral view ( Dai & Dietrich, 2011: fig. 47)............... S. viraktamathi Dai & Dietrich

5. Pygofer side with caudal process......................................................................... 6

– Pygofer side without caudal process..................................................................... 10

6. Subgenital plate with lateral macrosetae arranged irregularly.................................................. 7

– Subgenital plate with lateral macrosetae in single row........................................................ 8

7. Pygofer process long; subgenital plate tapered apically; basal processes of aedeagus extending to near apex of shaft ( Zhang & Dai, 2006: figs 14–17).............................................................. S. undosa Zhang & Dai

– Pygofer process short; subgenital plate rounded apically; basal processes of aedeagus. extending beyond shaft ( Zhang & Dai, 2006: figs 4–7)...................................................................... S. arboricola Vilbaste

8. Aedeagal shaft with a pair of lateral processes at apex ( Zhang & Dai, 2006: figs 28–29)............ S. stenopaea Anufriev

– Aedeagal shaft without apical process..................................................................... 9

9. Style apical process moderately long ( Xing & Li, 2015: fig. 18)......................... S. brevissima Dai, Xing & Li

– Style apical process very long ( Zhang & Dai, 2006: fig. 39).............................. S. unihamata (Li & Kuoh)

10. Aedeagal shaft in ventral view bifid at apex, branches divergent ( Dai & Dietrich, 2011: fig. 42). S. bifurcata Dai & Dietrich

– Aedeagal shaft not bifid at apex........................................................................ 11

11. Apical margin of aedeagal shaft with many small spines on both sides ( Xing & Li, 2015: figs 34–35)... S. dietrichi Xing & Li

– Aedeagal shaft without small spinose processes............................................................ 12

12. Subgenital plates short, rounded apically.................................................................. 13

– Subgenital plates long, subequal or longer than pygofer in lateral view, narrowing to rounded apex.................... 16

13. Crown with a broad transverse dark band between ocelli ( Fig. 3 ); style with apical process short, 1/4-1/5 length of style; basal processes of aedeagus slightly exceeding the length of aedeagal shaft in lateral view ( Figs 11–13 )........... S. lii sp. nov.

– Crown with a narrow transverse dark band between ocelli with bordered pale yellow;..style with apical process elongate, 1/2 length of style; basal processes of aedeagus grately exceeding the length of aedeagal shaft in lateral view.............. 14

14. Aedeagus without apical process; aedeagal shaft without distal serration........................................ 15

– Aedeagus with pair of apical processes; distal expansions of aedeagal shaft serrate ( Dai & Dietrich, 2011: figs 31–32).................................................................................. S. flangenella Dai & Dietrich

15. Aedeagal shaft with convex projection at midlength of ventral margin in lateral view; style with preapical lobe well developed ( Dai & Dietrich, 2011: figs 44–46).................................................. S. cornuta Dai & Dietrich

– Aedeagal shaft without convex projection on ventral margin in lateral view; style with. preapical lobe weakly developed ( Dai & Dietrich, 2011: figs 61–63)................................................... S. dongnaiensis Dai & Dietrich

16. Style with preapical lobe well developed.................................................................. 17

– Style with preapical lobe weakly developed............................................................... 20

17. Aedeagal shaft compressed laterally, widening towards apex, rounded apically, ventral. margin with some apical teeth ( Dai & Dietrich, 2011: figs 68–69)......................................................... S. digitatus Dai & Dietrich

– Aedeagal shaft not compressed laterally, gradually tapered to round apex or slider wider at midlength, ventral margin without teeth.............................................................................................. 18

18. Aedeagal shaft in lateral view distinctly broadened near midlength; stem of connective nearly 1/3 length of arms ( Zhang & Dai, 2006: figs 47, 50).............................................................. S. wideaedeaga (Wang & Li)

– Aedeagal shaft in lateral view slender and not broadened near midlength; stem of connective and arms of approximately equal length............................................................................................. 19

19. Preatrium of aedeagus very long; style apical process with teeth ( Xing & Li, 2015: figs 29–30).... S. denticlestyla Xing & Li

– Preatrium of aedeagus short; style apical process without teeth ( Zhang & Dai, 2006: figs 55–57). S. acaudata Zhang & Dai

20. Forewings bicolor, with basal third white and apical two thirds brown ( Dai & Dietrich, 2011: figs 8, 20)............................................................................................. S. dimidiatus Dai & Dietrich

– Forewing unicolor, ochraceous with hyaline whitish spots or brownish yellow with distinct white spots................ 21

21. Forewings ochraceous hyaline with whitish spots.......................................................... 22

– Forewings brownish yellow with distinct white spots ( Dietrich et al. 2020: figs 5H–I)............................................................................................... S. albopunctata Dietrich & Nguyen & Pham

22. Aedeagal shaft slender distally, with pair of slender, distally directed preapical processes........(in addition to paired basal processes); basal processes S-shaped in lateral view ( Dai & Dietrich, 2011: figs 36–37)...... S. coronoida Dai & Dietrich

– Aedeagal shaft expanded distally, without slender preapical processes, with paired dorsolateral preapical lamellae; basal processes straight in lateral view ( Dai & Dietrich, 2011: figs 27–28, 31–32)................... S. lamella Dai & Dietrich

Figures

FIGURES 1–5. Scaphoidella lii sp. nov. Male habitus: 1. Dorsal view; 2. Lateral view; 3. Head and thorax, dorsal view; 4. Face; 5. Right forewing.

FIGURES 6–13. Scaphoidella lii sp. nov. Male genitalia. 6. Genital capsule, dorsal view; 7. Genital capsule, ventral view; 8. Valve and subgenital plates, ventral view; 9. Pygofer, lateral view; 10. Pygofer, dorsal view; 11. Aedeagus, style and connective, dorsal view; 12. Aedeagus, style and connective, lateral view; 13. Aedeagus and connective, dorsal view.