Segonalia Young, 1977

Cavichioli, Rodney R. & Takiya, Daniela M., 2016, First record of Segonalia Young (Hemiptera: Cicadellidae: Cicadellinae) from Brazil including the description of S. machadoi sp. nov., Zootaxa 4078 (1), pp. 137-142 : 139

Segonalia Young, 1977

( Figures 1–19 )

Diagnosis. Small sharpshooters (4.3–5.5 mm, Figs 1 , 10 ); pronotum narrower than transocular width ( Figs 1 , 10 ); male pygofer with apex acute ( Figs 2 , 11 ); valve and subgenital plates fused ( Figs 3 , 12 ); plates short, not extending posteriorly farther than midlength of pygofer, and separate from each other only at apical third ( Figs 2 , 11 ); connective Y-shaped and elongate, extending posteriorly much farther than apex of styles ( Figs 4 , 13 ); paraphysis present ( Figs 5 , 14 ).

Figures

FIGURES 1 – 9. Segonalia steinbachi Young, 1977. 1. dorsal habitus; 2. male genital chamber, lateral view; 3. valve and subgenital plates, ventral view; 4. connective and styles, dorsal view; 5. aedeagus, paraphysis, and anal tube, lateral view ;; 6. female sternite VII, ventral view; 7. female genital chamber, lateral view; 8. base of right first valvula of ovipositor, ventral view; 9. second valvula of ovipositor, lateral view. BPP = basal portion of paraphysis; scale bars = 1.0 mm (Fig. 1) and 0.5 mm (Figs 2 – 9).

FIGURES 10 – 18. Segonalia machadoi sp. nov. (paratypes from Parque Nacional de Sete Cidades, Piracuruca, Piauí State, Brazil). 10. dorsal habitus, female; 11. male genital chamber, lateral view; 12. valve and subgenital plates, ventral view; 13. connective and styles, dorsal view; 14. aedeagus, paraphysis, and anal tube, lateral view. 15. female sternite VII, ventral view; 16. female genital chamber, lateral view; 17. base of right first valvula of ovipositor and first valvifer, ventral view; 18. second valvula of ovipositor and second valvifer, lateral view. BPP = basal portion of paraphysis, scale bars = 1.0 mm (Fig. 10) and 0.5 mm (11 – 18).

FIGURE 19. Live specimen of Segonalia machadoi sp. nov. at type locality (Parque Nacional de Sete Cidades, Piracuruca, Piauí State, Brazil). Photo by DMT.