Rhabdepyris lobatifrons, , Kieffer, 1910

Key to males of lobatifrons species-group

1 Propodeal disc with five discal carinae and a pair of additional carinae beside median one ( Fig. 23 View FIGURES 23–45 ) ..... 2

- Propodeal disc with five discal carinae, withuot a pair of additional carinae beside median one ( Fig. 2 View FIGURES 1–8 ).3

2(1) Aedeagus apex as high as cuspis apex in lateral view ( Fig. 8 View FIGURES 1–8 ); scutellar groove as deep as scutellar pit ( Fig. 2 View FIGURES 1–8 )........................................................................................................................................................ 4

- Aedeagus apex lower than cuspis apex in lateral view ( Fig. 29 View FIGURES 23–45 ); scutellar groove shallower than scutellar pit ( Fig. 23 View FIGURES 23–45 ).................................................................................................................. R. demissus sp. nov.

3(1) Paramedian carina medially convergent and posteriorly divergent ( Fig. 9 View FIGURES 9–22 ); aedeagus with median callus in outer margin ( Fig. 13 View FIGURES 9–22 ); aedeagus apex higher than cuspis apex in lateral view ( Fig. 15 View FIGURES 9–22 ). ............................................................................................................................................................ R. callosus sp. nov.

- Paramedian carina neither medially convergent nor posteriorly divergent ( Fig. 16 View FIGURES 9–22 ); aedeagus without medium callus on outer margin ( Fig. 6 View FIGURES 1–8 ); aedeagus apex not higher than cuspis apex in lateral view ( Fig. 8 View FIGURES 1–8 ) ................................................................................................................................................................ 5

4(2) Ventral margin of paramere dilated medially or submedially ( Fig. 24, 27 View FIGURES 23–45 in Azevedo, 1999) ................................................................................................................................................ R. septemlineatus Kieffer

- Ventral margin of paramere not dilated medially or submedially ( Fig. 23 View FIGURES 23–45 in Rosmann & Azevedo, 2005).............................................................................................................. R. atlanticus Rosmann & Azevedo

5(3) Paramere apex angularly concave ( Fig.22 View FIGURES 9–22 )................................................................. R. concavus sp. nov.

- Paramere apex rounded ( Fig. 8 View FIGURES 1–8 )................................................................................................................. 6

6(5) Paramere conspicuously wide, dorsal margin covering slightly aedeagus in dorsal view ( Fig. 7 View FIGURES 1–8 ) ................................................................................................................................................ R. latissimus sp. nov.

- Paramere not as above, dorsal margin not covering aedeagus in dorsal view ( Fig.13 View FIGURES 9–22 )............................. 7

7(6) Median portion of aedeagus progressively narrow ( Fig. 36 View FIGURES 23–45 )............................. R. quinquilineatus Kieffer

- Median portion of aedeagus abruptly narrow ( Fig. 37 View FIGURES 23–45 )............................................... R. luteipennis Evans