Villa

Yao, Gang, Yang, Ding & Evenhuis, Neal L., 2009, Four new species and a new record of Villa Lioy, 1864 from China (Diptera: Bombyliidae), Zootaxa 2055, pp. 49-60 : 50

Key to species of Villa from China

1. Face covered with black hairs....................................................................................................................................... 2

- Face predominantly covered with pale hairs ................................................................................................................ 5

2. Face without scales; gonocoxa distinctly narrowing apically in ventral view, with numerous black bristle-like hairs apically ( Fig 17 ) ................................................................................................................................. V. aspros sp. nov.

- Face with scales ............................................................................................................................................................ 3

3. Face with white scales .......................................................................................................................... V. o v a t a (Loew)

- Face with yellowish scales............................................................................................................................................ 4

4. Tergites 1–4 with orangish yellow erect hairs and tergites 5–7 with black erect hairs; epiphallus with a nearly round tip in dorsal view ( Fig 33 ).................................................................................................................. V. o b t u s a sp. nov.

- Tergites 2–4 with yellowish recumbent scales anteriorly, and tergites 5–6 with yellowish recumbent scales posteri- orly; epiphallus with an trifurcate tip in dorsal view ..................................................................... V. fasciata (Meigen)

5. Base of wing infuscate ( Fig 1 )......................................................................................................................................6

- Wing entirely hyaline ( Fig 4 )........................................................................................................................................ 7

6. Tergite 4 with white recumbent scales anteriorly and tergites 1, 5, and 6 with white recumbent scales posteriorly; epiphallus broad, clubbed in dorsal view ( Fig 10 )............................................................................. V. aquila sp. nov.

- Tergites 2–4 with light scales anteriorly and tergite 5 with light scales posteriorly; epiphallus subquadrate, narrowing from base to tip in dorsal view............................................................................................... V. hottentotta (Linnaeus)

7. Abdomen with yellow hairs mixed with black hairs or with black and white hairs..................................................... 8

- Abdomen with white or black and white hairs ............................................................................................................. 9

8. Hairs on abdomen mostly orangish yellow, dorsum with dense long yellow hairs laterally except tergites 1–2 with reddish yellow hairs and tergite 7 with a tuft of white hairs laterally............................... V. aurepilosa Du & Yang C.

- Hairs on abdomen black and yellow, tergites 3–4 with yellow hairs laterally and tergites 5–6 with black hairs later- ally……………………………………………………...………………………...……. V. panisca (Rossi)

9. Sternite 4 with white scales; epiphallus subtriangular in shape, with a trifurcate tip in dorsal view ( Fig 27 ) ............... ........................................................................................................................................................... V. flavida sp. nov.

- Sternite 4 without white scales; epiphallus not subtriangular in shape ...................................................................... 10

10. Tergites with white scales anteriorly and black scales posteriorly; epiphallus wide clubbed, and with an obtuse tip in dorsal view ...................................................................................................................... V. xinjiangana Du & Yang C.

- Tergites 2 and 4 with white recumbent scales anteriorly and tergites 6 and 7 with white recumbent scales posteriorly; epiphallus egg-shaped, with tip rounded in dorsal view ( Fig 22 )............................................... V. cingulata (Meigen)

Figures

FIGURES 12 – 17. Villa aspros sp. nov. male genitalia. 12. epandrium and cercus, dorsal view; 13. epandrium and cercus, lateral view; 14. gonocoxa and gonostylus, lateral view; 15. phallus, dorsal view; 16. phallus, lateral view; 17. gonocoxa and gonostylus, ventral view.

FIGURES 30 – 35. Villa obtusus sp. nov. male genitalia. 30. epandrium and cercus, dorsal view; 31. epandrium and cercus, lateral view; 32. gonocoxa and gonostylus, lateral view; 33. phallus, dorsal view; 34. phallus, lateral view; 35. gonocoxa and gonostylus, ventral view.

FIGURES 1 – 5. Villa wings. 1. Villa aquila sp. nov.; 2. Villa aspros sp. nov.; 3. Villa cingulata Meigen; 4. Villa flavidus sp. nov.; 5. Villa obtusus sp. nov..

FIGURES 6 – 11. Villa aquila sp. nov. male genitalia. 6. epandrium and cercus, dorsal view; 7. epandrium and cercus, lateral view; 8. gonocoxa and gonostylus, lateral view; 9. phallus, dorsal view; 10. phallus, lateral view; 11. gonocoxa and gonostylus, ventral view.

FIGURES 24 – 29. Villa flavidus sp. nov. male genitalia. 24. epandrium and cercus, dorsal view; 25. epandrium and cercus, lateral view; 26. gonocoxa and gonostylus, lateral view; 27. phallus, dorsal view; 28. phallus, lateral view; 29. gonocoxa and gonostylus, ventral view.

FIGURES 18 – 23. Villa cingulata Meigen male genitalia. 18. epandrium and cercus, dorsal view; 19. epandrium and cercus, lateral view; 20. gonocoxa and gonostylus, lateral view; 21. phallus, dorsal view; 22. phallus, lateral view; 23. gonocoxa and gonostylus, ventral view.