Okubasca Dworakowska, 1982

Yu, Xiaofei & Yang, Maofa, 2019, Okubasca Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Empoascini) elevated to separate genus status with description of two new species from China, Zootaxa 4609 (2), pp. 395-400 : 396

Key to species of Okubasca Dworakowska (male)

1. Preatrium less than 1/3 length of aedeagal shaft ( Figs 31, 32 )................................................... 2

- Preatrium more than 1/3 length of aedeagal shaft ( Figs 14, 15 )................................................. 4

2. Aedeagus with irregular teeth subapically on both sides................................... O. dianella (Qin & Zhang)

- Aedeagus without lateral irregular teeth.................................................................... 3

3. Aedeagus with longitudinal keel dorsally on shaft ( Figs 31, 32 ); anterior margin of vertex rounded ( Fig. 21 )............................................................................................... O. paracalvata sp. nov.

- Aedeagus without keel, with minute transverse ribs dorsally near base of shaft; anterior margin of vertex produced........................................................................................... O. calvata (Qin & Liu)

4. Aedeagus shaft width nearly same throughout length ( Figs 14, 15 ).............................. O. convoluta sp. nov.

- Aedeagus shaft broadest in middle in lateral view......................................... O. okubella (Matsumura)

Figures

FIGURES 18–34.Okubasca paracalvata Yu & Yang, sp. nov., 18. Whole body, dorsal view; 19. Whole body, ventral view; 20. Whole body, lateral view; 21. Head and thorax, dorsal view; 22. Face; 23. Head and thorax, lateral view; 24. Forewing; 25. Hindwing; 26. Abdominal apodemes, ventral view; 27. Male terminalia, lateral view; 28. Subgenital plate,ventral view; 29. Pygofer side, dorsal view; 30. Paramere, lateral view; 31. Aedeagus, lateral view; 32. Aedeagus, dorsal view; 33. Anal tube process, lateral view; 34. Connective. Scale bars: 18–25 (0.5 mm); 26–34 (0.1 mm).

FIGURES 1–17. Okubasca convoluta Yu & Yang, sp. nov., 1. Whole body, dorsal view; 2. Whole body, ventral view; 3. Whole body, lateral view; 4. Head and thorax, dorsal view; 5. Face; 6. Head and thorax, lateral view; 7. Forewing; 8. Hindwing; 9. Abdominal apodemes, ventral view; 10. Male terminalia, lateral view; 11. Subgenital plate, ventral view; 12. Pygofer side, dorsal view; 13. Paramere, lateral view; 14. Aedeagus, dorsal view; 15. Aedeagus, lateral view; 16. Anal tube process, lateral view; 17. Connective. Scale bars: 1–8 (0.5 mm); 9–17 (0.1 mm).