Nullana DeLong, 1976

Domahovski, Alexandre Cruz & Cavichioli, Rodney Ramiro, 2017, Two new species of Nullana from southern Brazil (Hemiptera: Cicadellidae: Gyponini) with key to males, Zootaxa 4281 (1), pp. 207-218 : 208

Nullana DeLong, 1976

Type-species. Nullana huallaga DeLong, 1976

Diagosis. Medium sized leafhoppers, between 8 to 9.5mm. Coloration (Figs 18, 38) commonly yellowish. Crown often with two rounded black spots behind each ocellus. Forewings with mottled pattern. Head ( Figs 1 , 20 ), in dorsal view, not produced; median length of crown approximately half as long as interocular width; crown with transverse parallel striae; anterior margin of crown approximately parallel to posterior margin. Head (Figs 3, 22), in lateral view, with crown-face transition distinct, with clearly defined carinae. Pygofer (Figs 7, 26) simple, without apical processes. Aedeagus (Figs 11, 31) lacking atrial processes; shaft without apical processes; apex often membranous.

Figures

FIGURES 1 ─ 12. N. albinoi sp. nov., holotype male. 1, head and thorax, dorsal view. 2, head, frontal view. 3, head and thorax, lateral view. 4, forewing. 5 – 12, male terminalia: 5, sternite VIII, ventral view. 6, valve, anterior view. 7, pygofer, valve and subgenital plate, lateral view. 8, subgenital plate, ventral view. 9, style and connective, dorsal view. 10, style, lateral view. 11, aedeagus, lateral view. 12, aedeagus posterior view. Scale bars: 1 – 3 = 1.0 mm, 4 = 2.0 mm, 5 – 10 = 0.5 mm, 11 – 12 = 0.25 mm.

FIGURES 20 – 32. N. sakakibarai sp. nov., holotype male. 20, head and thorax, dorsal view. 21, head, frontal view. 22, head and thorax, lateral view. 23, forewing. 24 – 32, male terminalia: 24, sternite VIII, ventral view. 25, valve, anterior view. 26, pygofer, valve and subgenital plate, lateral view. 27, subgenital plate, ventral view. 28, connective, posterior view. 29, style and connective, dorsal view. 30, style, lateral view. 31, aedeagus, lateral view. 32, aedeagus posterior view. Scale bars: 20 – 22 = 1.0 mm, 23 = 2.0 mm, 24 – 30 = 0.5 mm, 31 – 32 = 0.25 mm.