Iragua, Melichar, 1926

Cavichioli, Rodney R. & Mejdalani, Gabriel, 2017, The sharpshooter genus Iragua Melichar: a new Colombian species, the female of I. ferruginea Cavichioli, and a key to males of the genus (Insecta: Hemiptera: Cicadellidae: Cicadellini), Zootaxa 4281 (1), pp. 120-126 : 125

Key to males of Iragua (adapted from Young 1977)

1 Aedeagus with pair of unciform atrial processes ( Figs. 5–6 )............................. I. albinoi sp. nov. Colombia.

- Aedeagus without such processes....................................................................... 2

2 Pygofer without processes.............................................................................. 3

- Pygofer with apical processes.......................................................................... 13

3 Paraphyses with unpaired basal portion short and broad ( Young 1977: 400, fig. 323h).............................. 4

- Paraphyses with unpaired basal portion relatively long and slender ( Young 1977: 402, fig. 325h)..................... 5

4 Aedeagus more slender and elongate, curved gradually dorsad through most of its length ( Young 1977: 400, fig. 323f)............................................................................... I. estella (Distant, 1908) . Ecuador.

- Aedeagus shorter, curved gradually ventrad through most of its length ( Young 1977: 400, fig. 324f)...................................................................................... I. flammea (Signoret, 1855) . French Guiana.

5 Paraphyses with a pair of rami.......................................................................... 6

- Paraphyses with two pairs of rami ( Cavichioli 1991: 80, figs. 3–4).................. I. infuscata Cavichioli, 1991 . Brazil.

6 Forewings without apical black spots..................................................................... 7

- Forewings each with two apical black spots ( Fig. 8 )......................................................... 8

7 Aedeagal apex regularly rounded, without processes ( Young 1977: 402, fig. 325f and p)................................................................................. I. fractilinea (Fowler, 1899) . Costa Rica, Panama, Colombia.

- Aedeagal apex with a slender dorsoapical process ( Young 1977: 402, fig. 326f)........ I. notanda (Fowler, 1899) . Panama.

8 Aedeagus slender and biundulate in lateral view ( Young 1977: 404, fig. 327f and p)................................................................................................ I. nubila Young, 1977 . Peru, Colombia, Brazil.

- Aedeagus broader, or if slender then not biundulate.......................................................... 9

9 Paraphyses with ventral margins erose (i.e., irregular), at least apically ( Young 1977: 406–407, figs. 329h and 330s–v)... 12

- Paraphyses with ventral margins not erose (i.e., regular)...................................................... 10

10 Paraphyses, in dorsal view, with rami divergent apically..................................................... 11

- Paraphyses, in dorsal view, with rami parallel apically ( Cavichioli 1991: 83, fig. 11)... I. ferruginea Cavichioli, 1991 . Brazil.

11 Aedeagus with two short processes apically, a dorsal and a ventral one ( Young 1977: 405, fig. 328f)......................................................................................... I. montana Young, 1977 . Peru, Bolivia.

- Aedeagus with a short ventroapical process ( Lozada 1998: 6, fig. 6)....................... I. chola Lozada, 1998 . Peru.

12 Paraphyses very broad anteapically and with an anteapical angular projection on ventral margin of each ramus; aedeagus very short and broad ( Young 1977: 406, fig. 329f, h)................................... I. vallis Young, 1977 . “Amazon.”

- Paraphyses longer and more slender, not expanded anteapically and without angular projection; aedeagus longer ( Young 1977: 407, fig. 330f, q–v).................................... I. diversa (Signoret, 1855) . French Guiana, Colombia, Peru.

13 Aedeagus with dorsal anteapical processes and bifid at apex ( Young 1977: 409, fig. 331f, h).. I. perplexa Young, 1977 . Peru.

- Aedeagus without processes ( Young 1977: 409, fig. 332f)......... I. circulifera (Taschenberg, 1884) . Trinidad, Venezuela.

Figures

FIGURES 1 – 7. Iragua albinoi sp. nov., male holotype. 1, dorsal habitus (length 9.2 mm). 2, genital capsule, lateral view (scale bar: 0.5 mm). 3, pygofer, valve, and subgenital plate, ventral view. 4, connective and style, dorsal view. 5, ejaculatory reservoir, aedeagus, and anal tube, lateral view. 6, aedeagus, caudal view. 7, paraphyses, dorsal view. ASH: aedeagal shaft; ATR: aedeagal atrium; BDA: aedeagal basidorsal apodeme; PYG: pygofer; RAM: paraphyses ramus; SGP: subgenital plate; STK: paraphyses stalk; UNP: aedeagal unciform process; VAL: valve.

FIGURES 8 – 12. Iragua ferruginea Cavichioli, 1991, female. 8, dorsal habitus (length 10.9 mm; MNRJ specimen from the type-locality; modified from Wilson et al. 2009; antennae and legs not depicted). 9 – 10, sternite VII, ventral view (un- and macerated specimen, respectively). 11, “ internal ” sternite VIII, dorsal view. 12, valvifer I and pygofer, lateral view (scale bar: 0.5 mm). DPL: sternite VIII dorsal plate; EMR: sternite VII median emargination; GON: gonangulum; KEE: sternite VII median keel; PYG: pygofer; VLI: valvifer I; VPL: sternite VIII ventral plate.