Nullana, Domahovski & Cavichioli, 2017

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 : 214-215

Key to males of Nullana

1. Style (Fig. 10) cleft forming two rami..................................................................... 2

- Style ( Fig. 30 ) not cleft, with single apex.................................................................. 3

2. Style (Fig. 10) with ventral ramus narrow, produced posterad as far as dorsal ramus, dorsal ramus three times wider than ven- tral portion............................................................... N. albinoi sp. nov. ( Brazil - Paraná)

- Style ( DeLong, 1976: 26, Fig. 4) very elongated, slender, with ventral ramus not produced posterad as far as dorsal ramus, dor- sal ramus the same width as ventral portion.................................................. N. huallaga (Peru)

3. Style ( Fig. 30 ) with small tooth on ventral margin.......................................................... 4

- Style ( DeLong, 1976: 26, Fig. 18) without small tooth on ventral margin......................................... 6

4. Style ( DeLong & Martinson, 1980: 487, Fig. 29 ) with small tooth near apex of blade.................................................................................... N. gelbana ( Brazil - Paraná [new record] and Santa Catarina)

- Style ( Fig. 30 ) with small tooth near base or mid-length of blade............................................... 5

5. Style ( DeLong & Martinson, 1980: 500, Fig. 40 ) with small tooth near base of blade............ N. alena (French Guyane)

- Style ( Fig. 30 ) with small tooth near mid-length of blade...................... N. sakakibarai sp. nov. ( Brazil - Paraná)

6. Aedeagus ( DeLong, 1976: 26, Figs 14, 15) with processes near base or near mid-length of shaft...................... 7

- Aedeagus without processes............................................................................. 8

7. Aedeagus ( DeLong, 1976: pg. 26 Figs 14, 15) with processes near base shaft, processes long, produced as far as shaft apex........................................................................................... N. deca ( Peru)

- Aedeagus ( DeLong, 1976: 26, Figs 16, 17) with processes near mid-length of shaft, processes short, not produced as far as shaft apex.............................................................................. N. sabora (Peru)

8. Subgenital plate ( DeLong & Martinson, 1980: 500 Fig. 34 ) with acute apex.......................... N. verdana (Peru)

- Subgenital ( DeLong & Martinson, 1980: 497, Fig. 19) plate with rounded apex................................... 9

9. Style ( DeLong, 1976: 26, Fig. 8)with apex slightly curved dorsally; aedeagal shaft with apex not bent ventrally................................................................................................. N. scutella ( Peru)

- Style ( DeLong & Martinson, 1980: 497, Fig. 16) with apex abruptly curved dorsally; aedeagal shaft with apex bent ventrally........................................................................................... N. alera ( Peru)

Figures

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.

FIGURES 40 – 57. 40 – 48, Ponana (Lataponana) cephalata DeLong, 1977, holotype male (OSUC, 0158466). 40, habitus, dorsal view. 41, habitus, lateral view. 42, head, frontal view. 43, labels. 44 – 48, genitalia, redrawn from DeLong (1977), pg. 1 13. 44, pygofer, lateral view. 45, subgenital plate, ventral view. 46, style, lateral view. 47, aedeagus, lateral view. 48, aedeagus, ventral view. 49 – 57, Nullana sinchona DeLong & Martinson, 1980, holotype male (OSUC, 0169828). 49, habitus, dorsal view. 50, habitus, lateral view. 51, head, frontal view. 52, labels. 53 – 57, genitalia, redrawn from DeLong & Martinson (1980), pg. 487. 53, pygofer, lateral view. 54, subgenital plate, ventral view. 55, style, lateral view. 56, aedeagus, lateral view. 57, aedeagus, ventral view. Scale bars = 1.0 mm.

FIGURES 33 – 39. 33 – 37, N. sakakibarai sp. nov., terminalia of female paratype. 33, sternite VII and pygofer, ventral view. 34, pygofer and valvulae, lateral view. 35, first valvifer and first valvulae, lateral view. 36, second valvulae, lateral view. 37, second valvifer and third valvulae. 38 – 39, N. sakakibarai sp. nov. holotype habitus. 38, dorsal view. 39, lateral view. Scale bars: 33 – 37 = 1.0 mm, 38 – 39 = 2 mm.