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

publication ID

http://doi.org/ 10.5281/zenodo.186683

persistent identifier

http://treatment.plazi.org/id/03BF878E-1120-FFF9-F7E7-FF3AA4D504AE

treatment provided by

Plazi

scientific name

Villa
status

 

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 View FIGURES 12 – 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 View FIGURES 30 – 35 ).................................................................................................................. 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 View FIGURES 1 – 5 )...................................................................................................................................... 6

- Wing entirely hyaline ( Fig 4 View FIGURES 1 – 5 )........................................................................................................................................ 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 View FIGURES 6 – 11 )............................................................................. 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 View FIGURES 24 – 29 ) ............... ........................................................................................................................................................... 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 View FIGURES 18 – 23 )............................................... V. cingulata (Meigen)  

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Bombyliidae