Geitogonalia, Young, 1977

Cavichioli, Rodney R., Rendón-Mera, Diana I., Domahovski, Alexandre C. & Mejdalani, Gabriel, 2018, Three new Brazilian species of the sharpshooter genus Geitogonalia Young (Hemiptera: Cicadellidae: Cicadellini), Zootaxa 4531 (4), pp. 578-588 : 587

Key to species of Geitogonalia

1 Dorsum dark brown to black with contrasting orange markings. Male pygofer with posterior margin narrowly rounded; paraphyses with elongate rami. Female sternite VII with concavities on posterior margin adjacent to dentiform projection........................................................................... G. quatuordecimmaculata (Taschenberg)

- Not as above......................................................................................... 2

2 Anterior dorsum ground color dark brown to black, with greenish-yellow markings. Aedeagus elongate, strongly constricted apically, with pair of spiniform apical processes directed dorsally...................... G. viridis Mejdalani & Cavichioli

- Anterior dorsum yellow. Aedeagus not as above............................................................. 3

3 Pronotum without markings ( Fig. 15 ). Male pygofer posterior margin, in lateral view, subquadrangular with lateral angles rounded ( Fig. 18 ). Aedeagus with preatrial process; shaft very short, with pair of apical horn-shaped processes curved dorsally, longer than atrium and shaft together ( Fig. 20 ).................................................... G. piei sp. nov.

- Pronotum with black transverse stripe posteriorly. Male pygofer posterior margin, in lateral view, broadly rounded. Aedeagus not as above.......................................................................................... 4

4 Lorum black; clypeus with irregular black border ( Fig. 3 ). Aedeagus shaft elongate and with apical third strongly curved ventrally, apex with pair of strong horn-shaped processes directed anteriorly ( Fig. 8 ). Female abdominal sternite VII, in ventral view, with posterior margin convex and bearing dentiform median projection ( Fig. 10 )................ G. buccina sp. nov.

- Lorum and clypeus completely yellow ( Fig. 24 ). Aedeagus shaft short and stout, apex dorsally and ventrally with pair of hornshaped processes directed anterodorsally and anteroventrally, respectively ( Fig. 29 ). Female abdominal sternite VII, in ventral view, with posterior margin concave on each side of dentiform projection ( Fig. 31 ).................. G. tetracorni sp. nov.

Figures

FIGURES 15–21. Geitogonalia piei sp. nov., male holotype: 15–16. Habitus, dorsal and lateral view, respectively. 17. Head, frontal view. 18. Pygofer, lateral view. 19. Valve and subgenital plate, ventral view. 20. Aedeagus, lateral view. 21. Aedeagus, ventral view. Scale bars in mm.

FIGURES 1–9. Geitogonalia buccina sp. nov., male holotype: 1–2. Habitus, dorsal and lateral view, respectively. 3. Head, frontal view. 4. Pygofer, lateral view. 5. Valve and subgenital plate, ventral view. 6. Connective and style, dorsal view. 7. Paraphyses, dorsal view. 8. Aedeagus, lateral view. 9. Aedeagus, ventral view. Scale bars in mm.

FIGURES 10–14. Geitogonalia buccina sp. nov., female: 10. Apical portion of abdomen, ventral view. 11. Apical portion of abdomen, lateral view. 12. First valvifer and first valvula, lateral view, with detail of dorsal and ventral sculptured areas at apical portion. 13. Second valvula, lateral view, with details of apical portion and teeth at basal third and subapical portions. 14. Second valvifer and gonoplac, lateral view, with detail of apical portion. Scale bars in mm.

FIGURES 22–30. Geitogonalia tetracorni sp. nov., male holotype: 22–23. Habitus, dorsal and lateral view, respectively. 24. Head, frontal view. 25. Pygofer, lateral view. 26. Valve and subgenital plate, ventral view. 27. Connective and style, dorsal view. 28. Paraphyses, dorsal view. 29. Aedeagus, lateral view. 30. Aedeagus, posterior view. Scale bars in mm.

FIGURES 31–35. Geitogonalia tetracorni sp. nov., female: 31. Apical portion of abdomen, ventral view. 32. Apical portion of abdomen, lateral view. 33. First valvifer and first valvula, lateral view, with detail of dorsal and ventral sculptured areas at apical portion. 34. Second valvula, lateral view, with details of apical portion and teeth at median and subapical portions. 35. Second valvifer and gonoplac, lateral view, with detail of apical portion. Scale bars in mm.