Identification key for males of Pazius spp.

(Adapted from Byers, 1977)

1 Aedeagus with a bifurcated ventral projection basally (Fig. 5: A, E and G) “ furcatus group ”.......................... 2

- Aedeagus without a bifurcated ventral projection basally (Figs. 6 A, B and 7A, C)................................. 5

2 Aedeagus with a ventral process over the bifurcated projection (Figs. 5 A, C)..................................... 3

- Aedeagus without a ventral process over the bifurcated projection (Figs. 5 E, G).................................... 4

3 Epandrial appendix in dorsal view with large spines posteriorly (Fig. 5 D, arrow) (Brazil)................. P. ornaticaudus

- Epandrial appendix in dorsal view without large spines posteriorly, ventral process as in Fig. 5 B (Brazil, Colombia).................................................................................................. .. P. cinctipes

4 Ventral process of the epandrial appendix bifurcated and placed around the longitudinal middle of the lobe in dorsal view; branches with different lengths (Fig. 5 F) (Panama)..................................................... P. flinti

- Ventral process of the epandrial appendix bifurcated and placed on the posterior margin of the lobe in dorsal view; branches with similar lengths (Fig. 5 H) (Venezuela)........................................................ P. furcatus

5 Epandrial appendix in lateral view not convex (Fig. 6 A, B) “ gracilis group ”...................................... 6

- Epandrial appendix in lateral view convex (Fig. 4 A, 7A, C) “ obtusus group ”...................................... 7

6 Epandrial appendix in lateral view with acute apex and directed upwards (Fig. 6 A) (Peru)..................... P. gracilis

- Epandrial appendix in lateral view without apex directed upwards (Fig. 6 B), in dorsal view with wide and black spines on the mesal surface (Fig. 6 C) (Ecuador).............................................................. P. pectinatus

7 Epandrial appendix with short spines on the dorsal margin (Figs. 4 A, 7C)......................................... 8

- Epandrial appendix without short spines on the dorsal margin, with ventral process as in Fig. 7 B (Panama, Costa Rica)................................................................................................. ... P. obtusus

8 Epandrial lobe ventral margin with a medial projection, basistylus hexagon-shaped (Fig. 4 A); ventral process as in Fig. 4 C; short branch with spine truncated (Fig. 4 C) (Colombia)...................................... P. gorgonensis n. sp.

- Epandrial lobe ventral margin without a medial projection, basistylus squared-shaped (Fig. 7 C); ventral process as in Fig. 7 D; short branch with spine long and acute (Panama).................................................... P. spinosus