Heteralonia

Yao, Gang, Yang, Ding & Evenhuis, Neal L., 2009, Species of the genus Heteralonia Bezzi, 1921 from China (Diptera: Bombyliidae), Zootaxa 2166, pp. 45-56 : 46

Key to species of Heteralonia from China

1. Wing with anal cells partly hyaline ( Fig. 3 ) ................................................................................................................ 2

-. Wing with anal cells entirely infuscate ( Fig. 1 , Fig. 2 , Fig. 4 ) ................................................................................... 4

2. Wing with black spots at tip of vein M1 ..................................................................................... H. chinensis Evenhuis

-. Wing without black spot at tip of vein M1 ( Fig. 3 ) ..................................................................................................... 3

3. Wing with partly hyaline; abdominal tergite 1 with white lateral hairs; epiphallus with a round tip in dorsal view ( Fig. 33 )............................................................................................................................... H. sytshuana (Paramonov)

-. Wing with mostly infuscate; abdominal tergite 1 with yellowish lateral hairs; epiphallus with a M-shaped tip in dor- sal view ( Fig. 21 ) ....................................................................................................................... H. nigripilosa sp. nov.

4. Wing with black spots at tip of vein R4 ( Fig. 2 )........................................................................................................... 5

-. Wing without black spot at tip of vein R4 ( Fig. 1 ) ....................................................................................................... 6

5. Wing with two black spots at tip of vein R2+3, and with one spot at tip of vein R4 ................ H. polyphleba Evenhuis

-. Wing with one black spot at tip of vein R2+3, and with two spots at tip of vein R4 .......................... H. cnecos sp. nov.

6. Wing with almost entirely infuscate; epiphallus nearly round at tip and slightly curved at middle............................... ....................................................................................................................................................... H. gressitti Evenhuis

-. Wing with partly infuscate; epiphallus not round at tip................................................................................................ 7

7. Wing with posterior edge hyaline; epiphallus elongate, with a fan-shaped tip in dorsal view ( Fig. 9 ).......................... ................................................................................................................................................... H. anemosyris sp. nov.

-. Wing with mostly infuscate, paler posteriorly; epiphallus widely clubbed, with a round tip in dorsal view ( Fig. 27 ). ........................................................................................................................................................... H. ochros sp. nov.

Figures

FIGURES 1 – 5. Heteralonia wings. 1. Heteralonia anemosyris sp. nov.; 2. Heteralonia cnecos sp. nov.; 3. Heteralonia nigripilosa sp. nov.; 4. Heteralonia ochros sp. nov.; 5. Heteralonia sytshuana (Paramonov).

FIGURES 30 – 35. Heteralonia sytshuana (Paramonov) 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. gonocoxae and gonostyli, ventral view.

FIGURES 18 – 23. Heteralonia nigripilosa sp. nov. 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. gonocoxae and gonostyli, ventral view.

FIGURES 6 – 11. Heteralonia anemosyris 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. gonocoxae and gonostyli, ventral view.

FIGURES 24 – 29. Heteralonia ochros 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. gonocoxae and gonostyli, ventral view.