Homoneura (Homoneura)

Gao, Caixia & Yang, Ding, 2004, A Review Of The Genus Homoneura From Guangxi, China (Diptera: Lauxaniidae), Raffles Bulletin of Zoology 52 (2), pp. 351-364 : 351-352

Key to species of Homoneura (Homoneura) from Guangxi

1. Wing mostly brown; face with brown spots on ventral part ................................................................ picta (de Meijere)

– Wing mostly yellowish; face without brown spots on ventral part .................................................................................... 2

2. Thorax with stripes; abdomen mostly brown ........................ 3

– Thorax without stripes, abdomen mostly yellow or yellow brown ........................................................................................... 4

3. Subcostal cell clear apically; thoracic dorsum black brown ...................................................... immaculata (de Meijere)

– Subcostal cell dark apically; thoracic dorsum testaceous yellow with a pair of brown stripes .................. bistriata (Kertész)

4. Thorax dark brown; wing with 3 brown spots behind r-m on R 4+5 .............................................. tianlinensis , new species

– Thorax yellow; wing with 1-2 brown spots behind r-m on R 4+5 ........................................................................................... 5

5. Wing with r-m cloud; abdomen with black spots on dorsum ........................................................................................... 6

– Wing with r-m clear; abdomen without spots, or with tergites 1-6 black on edge ............................................................ 8

6. Wing with 1 spot behind r-m on R 4+5; apical spot on R 4+5 not extending to apex of wing ( Fig. 13 ) .......... cornuta Sasakawa

– Wing with 2 spots behind r-m on R 4+5; apical spot on R 4+5 extending to apex of wing ............................................... 7

7. Apical spots on R 2+3 -R 4+5 connected ( Fig. 1 ); abdomen with black spots on tergites 7-9 ...................... abnormis , new species

– Apical spots on R 2+3 -R 4+5 separate ( Fig. 19 ); abdomen without black spots on tergites 7-9 .................. jiangi , new species

8. Apical spots on R 2+3 -R 4+5 connected; abdomen yellow to yellow brown ................................................................................ 9

– Apical spots on R 2+3 -R 4+5 vein separate; abdomen pale brown, with tergites 1-6 black on edge ................................................... serrata Gao & Yang

9. Protandrium ringed ( Figs. 33 , 39 ); surstylus long .... 10

– Protandrium forming an incompletely dorsal band ( Fig. 9 ); surstylus indistinct ............... brevis , new species

10. Frons with dark anterior spots; gonopod long ( Figs. 41, 42 ) ........................................ tianeensis , new species

– Frons without spots; gonopod indistinct ( Figs. 35, 36 ) .............................................. longispina , new species

Figures

Figs. 13-18. Homoneura cornuta Sasakawa, male. 13. wing. 14. epandrium and protandrium, lateral view. 15. protandrium, anterior view. 16. epandrium, posterior view. 17. aedeagal complex, lateral view. 18. aedeagal complex, ventral view.

Figs. 1-6. Homoneura abnomis, new species, male. 1. wing. 2. epandrium and protandrium, lateral view. 3. protandrium, anterior view. 4. epandrium, posterior view. 5. aedeagal complex, lateral view, 6. aedeagal complex, ventral view.

Figs. 19-24. Homoneura immaculata (de Meijere, 1910) male. 19. wing. 20. epandrium and protandrium, lateral view. 21. protandrium, anterior view. 22. epandrium, posterior view. 23. aedeagal complex, lateral view. 24. aedeagal complex, ventral view.

Figs. 31-36. Homoneura longispina, new species, male. 31. wing. 32. epandrium and protandrium, lateral view. 33. protandrium, anterior view. 34. epandrium, posterior view. 35. aedeagal complex, lateral view. 36. aedeagal complex, ventral view.

Figs. 37-42. Homoneura tianeensis, new species, male. 37. wing. 38. epandrium and protandrium, lateral view. 39. protandrium, anterior view. 40. epandrium, posterior view. 41. aedeagal complex, lateral view. 42. aedeagal complex, ventral view.

Figs. 7-12. Homoneura brevis, new species, male. 7. wing. 8. epandrium and protandrium, lateral view. 9. protandrium, anterior view. 10. epandrium, posterior view. 11. aedeagal complex, lateral view. 12. aedeagal complex, ventral view.