Ommatius normus

Vieira, Rodrigo, Bravo, Freddy & Rafael, José Albertino, 2010, Ommatius Wiedemann, 1821, normus species-group (Diptera, Asilidae): description of two new species and comments on Brazilian species, Zootaxa 2344, pp. 39-51 : 49-50

Key to normus species group males, modified from Scarbrough (2008)

1. Apical scutellar macrosetae present.............................................................................................................................. 2

- Apical scutellar macrosetae absent ............................................................................................................................... 7

2. Apex of epandrium narrow ( Figs. 10, 11 ); hypandrium with long macrosetae medially ( Figs. 8, 11 ) ........................ 3

- Apex of epandrium wide ( Figs. 2, 3 , 20, 24 , 42, 43 ); hypandrium without long macrosetae medially or with setae ( Figs. 1, 3 , 19, 24 , 41, 43 ) ............................................................................................................................................. 4

3. Hind femur of male with 0–2 apical anteroventral macrosetae; apex of gonostylus not forked ( Fig. 12 ); subepandrial sclerite projection long and with inner margin triangular basally ( Fig. 13 ) ( Guyana, Brazil) ... O. neotropicus Curran

- Hind femur of male with 3–4 stout brown anteroventral macrosetae apically, 2–3 much longer, thinner and yellow macrosetae basally, 1–2 preapical posteroventral macrosetae; apex of gonostylus forked; subepandrial sclerite sim- ple, without projection ( Venezuela) ....................................................................................... O. nebulosus Scarbrough

4. Apex of epandrium truncate; gonocoxite with short apical spine; hypandrium with 2–3 long setae ( Venezuela)......... ....................................................................................................................................................... O. tepui Scarbrough

- Apex of epandrium not truncate ( Figs. 2, 3 , 20, 24 , 42, 43 ); gonocoxite without spine ( Figs. 1, 3 , 19, 24 , 41, 43 ); hypandrium without long setae ( Figs. 1, 3 , 19, 24 , 41, 43 ) .......................................................................................... 5

5. Apex of epandrium bifid or with three teeth ( Figs. 3 , 43 ) ............................................................................................ 6

- Apex of epandrium simple ( Fig. 24 ) ( Venezuela; Guyana; Suriname; French Guiana; Brazil; Paraguay).................... ............................................................................................................................................................ O.normus Curran

6. Epandrium with bifid apex ( Fig. 3 ); subapex of gonostylus narrow ( Fig. 5 ); ejaculatory apodeme with basal 2/3 moderately wide and apical 1/3 narrow in lateral view ( Fig. 6 ) ( Brazil) .......................................... O. castroi sp. nov.

- Apex of epandrium with three teeth ( Fig. 43 ); subapex of gonostylus wide ( Fig. 46 ); ejaculatory apodeme with basal 1/3 moderately wide and apical 2/3 narrow in lateral view ( Fig. 45 ) ( Brazil) .................................. O. trifidus sp. nov.

7. Dorsocentral macrosetae usually black, rarely 1–2 yellow; cell r2 wide apically, apex rounded ( Brazil; Paraguay).... .......................................................................................................................................................... O. pulcher (Engel)

- Dorsocentral macrosetae yellow; cell r2 narrow apically, apex pointed ( Brazil) .......................... O.ruficaudus Curran

Figures

FIGURES 8 – 18. Ommatius neotropicus. 3 (Figs. 8 – 14); Ƥ (Figs. 15 – 18): 8. Male terminalia lateral. 9. Phallus and ejaculatory apodeme in dorsal view. 10. Male terminalia dorsal. 11. Male terminalia ventral. 12. Gonostylus. 13. Subepandrial sclerite. 14. Phallus and ejaculatory apodeme in lateral view. 15. Capsule spermatheca. 16. Female sternite VIII. 17. Female terminalia dorsal. 18. Female proctiger. capsule spermatheca (cap esp); cercus (cer); proctiger (proc); sternite VIII (st VIII); tergite IX (t IX).

FIGURES 1 – 7. Ommatius castroi sp. nov. Holotype 3: 1. Male terminalia lateral. 2. Male terminalia dorsal. 3. Male terminalia ventral. 4. Subepandrial sclerite. 5. Gonostylus. 6. Phallus and ejaculatory apodeme in lateral view. 7. Phallus and ejaculatory apodeme in dorsal view. cercus (cer); epandrium (ep); ejaculatory apodeme (ej apod); sclerite interepandrial (sc iepd); gonocoxite (gnx); gonostylus (gns); hypandrium (hyp); phallus (ph); subepandrial sclerite (sep scl).

FIGURES 19 – 29. Ommatius normus. 3 (Figs. 19 – 24, 26); Ƥ (Figs. 25, 27 – 29): 19. Male terminalia lateral. 20. Male terminalia dorsal. 21. Phallus and ejaculatory apodeme in dorsal view. 22. Gonostylus. 23. Phallus and ejaculatory apodeme in lateral view. 24. Male terminalia ventral. 25. Capsule spermatheca. 26. Subepandrial sclerite. 27. Female proctiger. 28. Female sternite VIII. 29. Female terminalia dorsal.

FIGURES 41 – 47. Ommatius trifidus sp. nov. Holotype 3: 41. Male terminalia lateral. 42. Male terminalia dorsal. 43. Male terminalia ventral. 44. Subepandrial sclerite. 45. Phallus and ejaculatory apodeme in lateral view. 46. Gonostylus. 47. Phallus and ejaculatory apodeme in dorsal view.