Sarcophaga (Bulbostyla)

Giroux, Marjolaine & Wheeler, Terry A., 2010, Systematics of Bulbostyla, a new subgenus of Sarcophaga Meigen, and change of status for Robackina Lopes (Diptera: Sarcophagidae), Zootaxa 2553, pp. 35-59 : 39-40

Key to males of described species of Sarcophaga (Bulbostyla)

1. Hind tibia with numerous long posteroventral wavy hairs ........................................................................................... 2

- Hind tibia without long posteroventral wavy hairs, or with few moderately long straight hairs ................................ 5

2. Window of sternite 5 protruding; vesica and juxta as in Figs. 26–27 ....................................... S . (Bulbostyla) ironalis

- Window of sternite 5 not protruding; vesica and juxta not as in Figs. 26–27 ............................................................. 3

3. Strong setae on margin of tergite 5 marginal, sometimes two middle (dorsal) ones slightly anterior to the others; ves- ica as in Figs. 32–34 ; juxta with two deep invaginations in dorsal view ( Fig. 33 )... S. (Bulbostyla) semimarginalis

- Strong setae on margin of tergite 5 not marginal but forming half circle spreading on apical third; vesica and juxta not as in Figs. 32–34 .................................................................................................................................................... 4

4. Dark hairs on lateral margin of alula longer than those on anterior margin of anal lobe; hairs fringing calypters at fold creamy-white; vesica and juxta as in Figs. 1–2 ................................................................ S. (Bulbostyla) airosalis

- Dark hairs on lateral margin of alula as long as those on anterior margin of anal lobe; hairs fringing calypters at fold pale to dark brown or black; vesica and juxta as in Figs. 46–47 ....................................... S. (Bulbostyla) subdiscalis

5. Window of sternite 5 protruding; vesica and juxta as in Figs. 40–41 ..................................... S. (Bulbostyla) sternalis

- Window of sternite 5 not protruding; vesica and juxta not as in Figs. 40–41 .............................................................. 6

6. Dark hairs on lateral margin of alula longer than those on anterior margin of anal lobe; syntergosternite 7+8 same color as epandrium; vesica and juxta as in Figs. 14–15 ............................................................ S. (Bulbostyla) cuautla

- Dark hairs on lateral margin of alula as long as those on anterior margin of anal lobe; syntergosternite 7+8 darker than epandrium; vesica and juxta not as in Figs. 14–15 ............................................................................................... 7

7. Hairs fringing calypters at fold pale brown; vesica and juxta as in Figs. 7–8 ............................... S. (Bulbostyla) cadyi

- Hairs fringing calypters at fold dark brown or black; vesica and juxta not as in Figs. 7–8 ....................................... 8

8. Frontal vitta usually matt black; surstylus with a small posteroventral projection ( Figs. 55–56 ); vesica and juxta as in Figs. 52–53 .................................................................................................................................... S. (Bulbostyla) yorkii

- Frontal vitta dark brown; surstylus without a small posteroventral projection ( Figs. 23–24 ); vesica and juxta as in Figs. 20–21 ............................................................................................................................... S. (Bulbostyla) fattigina

Figures

FIGURES 26 – 31. Sarcophaga (Bulbostyla) ironalis. 26. Phallus and hypandrial complex, left lateral. 27. Acrophallus, anterior. 28. Acrophallus, posterior. 29. Epandrium, surstylus and cerci, lateral. 30. Epandrium, surstylus and cerci, posterior. 31. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 26 – 28), 0.5 mm (Figs. 29 – 31).

FIGURES 32 – 35. Sarcophaga (Bulbostyla) semimarginalis. 32. Acrophallus, lateral. 33. Acrophallus, posterior. 34. Acrophallus, anterior. 35. Vesica, styli and juxta. Abbreviations: jux, juxta; ls, lateral stylus; ms, median stylus; ph, phallic tube; ha, harpes; ves, vesica.

FIGURES 1 – 6. Sarcophaga (Bulbostyla) airosalis. 1. Phallus and hypandrial complex, left lateral. 2. Acrophallus, anterior. 3. Acrophallus, posterior. 4. Epandrium, surstylus and cerci, lateral. 5. Epandrium, surstylus and cerci, posterior. 6. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 1 – 3), 0.5 mm (Figs. 4 – 6). Abbreviations: har, harpes; hyp, hypandrium; jux, juxta; ls, lateral stylus; ms, median stylus; ph, phallic tube; pog, postgonite; prg, pregonite; ves, vesica.

FIGURES 46 – 51. Sarcophaga (Bulbostyla) subdiscalis. 46. Phallus and hypandrial complex, left lateral. 47. Acrophallus, anterior. 48. Acrophallus, posterior. 49. Epandrium, surstylus and cerci, lateral. 50. Epandrium, surstylus and cerci, posterior. 51. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 46 – 48), 0.5 mm (Figs. 49 – 51).

FIGURES 40 – 45. Sarcophaga (Bulbostyla) sternalis. 40. Phallus and hypandrial complex, left lateral. 41. Acrophallus, anterior. 42. Acrophallus, posterior. 43. Epandrium, surstylus and cerci, lateral. 44. Epandrium, surstylus and cerci, posterior. 45. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 40 – 42), 0.5 mm (Figs. 43 – 45).

FIGURES 14 – 19. Sarcophaga (Bulbostyla) cuautla. 14. Phallus and hypandrial complex, left lateral. 15. Acrophallus, anterior. 16. Acrophallus, posterior. 17. Epandrium, surstylus and cerci, lateral. 18. Epandrium, surstylus and cerci, posterior. 19. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 14 – 16), 0.5 mm (Figs. 17 – 19).

FIGURES 7 – 13. Sarcophaga (Bulbostyla) cadyi. 7. Phallus and hypandrial complex, left lateral. 8. Acrophallus, anterior. 9. Acrophallus, posterior. 10. Epandrium, surstylus and cerci, lateral. 11. Epandrium, surstylus and cerci, posterior. 12. Male sternite 5, ventral. 13. Female terminalia, posteroventral. Scale bar = 0.2 mm (Figs. 7 – 9), 0.5 mm (Figs. 10 – 13).

FIGURES 52 – 58. Sarcophaga (Bulbostyla) yorkii. 52. Phallus and hypandrial complex, left lateral. 53. Acrophallus, anterior. 54. Acrophallus, posterior. 55. Epandrium, surstylus and cerci, lateral. 56. Epandrium, surstylus and cerci, posterior. 57. Male sternite 5, ventral. 58. Female terminalia, posteroventral. Scale bar = 0.2 mm (Figs. 52 – 54), 0.5 mm (Figs. 55 – 58).

FIGURES 20 – 25. Sarcophaga (Bulbostyla) fattigina. 20. Phallus and hypandrial complex, left lateral. 21. Acrophallus, anterior. 22. Acrophallus, posterior. 23. Epandrium, surstylus and cerci, lateral. 24. Epandrium, surstylus and cerci, posterior. 25. Male sternite 5, ventral. Scale bar = 0.2 mm (Figs. 20 – 22), 0.5 mm (Figs. 23 – 25).