Rhabdotalebra albinoi, Paradell & Catalano & Petrulevičius, 2017

Paradell, Susana, Catalano, María Inés & Petrulevičius, Julián, 2017, A new species of Rhabdotalebra Young (Hemiptera: Cicadellidae: Typhlocybinae) associated with the guaran-guaran (Bignoniaceae: Tecoma stans L.) in Argentina, Zootaxa 4281 (1), pp. 225-231 : 227

Key to the species of the genus Rhabdotalebra Young (adapted from Catalano et al. 2010 to include R. albinoi n.sp.)

1. Aedeagus with processes................................................................................ 5

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

2. Pygofer with ventral processes bifurcate at apex............................................................. 3

- Pygofer with ventral processes not bifurcate................................................................ 4

3. Aedeagal shaft with very broad base and narrow apex with two pairs of anteapical teeth ( Young, 1957: Fig. 29d, p. 234). Sternal abdominal apodemes longer, attaining second conjunctivae................................... R. monrosi (Young)

- Aedeagal shaft slender without teeth ( Young, 1957: Fig. 28, p. 230). Sternal abdominal apodemes shorter, not attaining first conjunctiva........................................................................ R. jamaicensis (Young)

4. Aedeagal shaft abruptly narrowed in apical third. Sternal abdominal apodemes longer, attaining second conjunctivae ( Young, 1957: Fig. 28, p. 230). Female seventh sternum slightly convex................................. R. signata (McAtee)

- Aedeagal shaft gradually tapering ( Young, 1957: Fig. 28, p. 230). Sternal abdominal apodemes shorter, not attaining first conjunctiva. Female seventh sternum shallowly concave........................................ R. octolineata (Baker)

5. Aedeagus with single basal or apical process................................................................ 6

- Aedeagus with more than one subapical and/or apical processes................................................. 7

6. Aedeagus with apical process directed ventrocaudally. Pygofer with shorter ventral process. Connective U-shaped. Sternal abdominal apodemes attaining first conjunctiva. Female seventh sternum with rounded median lobe ( Catalano et al. 2010: Fig.1 p. 56)........................................................................ R. litoralensis Catalano

- Aedeagus with basal process directed dorsally. Pygofer with long ventral process. Connective transverse bar shaped. Sternal abdominal apodemes not attaining first conjunctivae. Female seventh sternum with posterior margin slightly concave ( Catalano et al. 2010: Fig. 2 p. 58)............................................................... R. flava Catalano

7. Pygofer process absent. Connective U-shaped. Aedeagus processes dorsal and symmetrical ( Young, 1957: Fig. 29, p. 234). Forewing with hourglass-shaped white commissural marking......................... R. plummeri (Ruppel & DeLong)

- Pygofer with processes. Aedeagus with processes lateral, ventral or asymmetrical................................... 8

8. Pygofer with processes (occasionally not differentially sclerotized). Connective bar shaped. Aedeagus processes ventral or lateral. Markings of forewing not as in ( Fig. 1B )............................................................... 9

- Pygofer with subapical processes strongly esclerotized, curved on the ventral margin ( Fig. 1D ). Conective U-sharped. Aedeagus with subapical and apical processes asymmetrical, directed caudoventrally ( Fig. 1G ). Color pattern of the forewings as in Fig. 1B . Female seventh sternum with posterior margin with short rounded median lobe ( Fig.2A )......... R. albinoi n. sp.

9. Aedeagus processes recurved laterally. Gonopore terminal ( Young, 1957: Fig. 29, p. 234). Dorsum marked with inverted ´´T´´extending over pronotum, scutellum and basal half of forewings............................... R. hambletoni (Young)

- Aedeagus processes otherwise. Gonopore subapical. Markings of dorsum otherwise................................ 10

10. Aedeagus processes apressed to shaft ( Young, 1957: Fig. 30, p. 239). Sternal abdominal apodemes shorter, attaining first conjuntiva................................................................................ R. ornata (Young)

- Aedeagal process extending laterad, not appressed to shaft. Sternal abdominal apodemes longer, attaining second or third conjunctivae ( Young, 1957: Fig. 30, p. 239)..................................................... R.brunnea (Oman)

Figures

FIGURE 1. A ‒ G. Rhabdotalebra albinoi n. sp. A, dorsal habitus; B, forewing. Male: C ‒ G. C, sternal apodeme (1 S, 2 S); D, genital capsule; E, pygofer, lateral view and anal tube; F, subgenital plate, style, connective; G, aedeagus, lateral view. Scale bar = (Figs. A ‒ B: 3 mm; C ‒ G: 0.2 mm; F: 0.1 mm).

FIGURE 2. A ‒ D. Rhabdotalebra albinoi n. sp. Female: A ‒ D. A, sternite VII; B, genital capsule, lateral view; C, large valve, small valve; D, third valve. Scale bar = (Figs. A ‒ D: 0.2 mm; B: 0.25 mm).