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)