Austrophyto

Mulieri, Pablo Ricardo, 2017, Saying goodbye to monotypy in the poorly known genus Austrophyto Lopes, 1989 (Diptera: Sarcophagidae): new diagnosis and description of two new species, Zootaxa 4268 (1), pp. 88-100 : 99

Key to males of Austrophyto

1. Parafacial and lower half of fronto-orbital plate with golden microtomentum ( Figs 30–31 ). Genal dilation with golden microtomentum ( Figs 30–31 ). Cercal base with a rounded protuberance (lateral view) ( Figs 20–21 )............. A. noa sp. nov.

- Parafacial and fronto-orbital plates with silvery microtomentum ( Fig. 27 ). Genal dilation with silvery microtomentum ( Fig. 27 ). Cercal base without a rounded protuberance (lateral view) ( Figs 10 , 16 )...................................... 2

2. T3 without median marginal setae. T5 with dorsal spots of silvery microtomentum and lateral spots of golden microtomentum ( Figs 33–34 ). Syntergosternite 7+8 shiny black basally, dark brown on the apical 1/3 ( Fig. 33 ). ST2–ST4 with long setulosity.................................................................................... A. mariluisi sp. nov.

- T3 with a pair of median marginal setae. T5 with dorsal and lateral spots of silvery microtomentum. Syntergosternite 7+8 reddish-orange. ST2–ST4 with short setulae.................................................. A. cordobensis Lopes

Figures

FIGURES 27 – 34. Austrophyto spp. 27 – 28. Austrophyto cordobensis Lopes (specimen from Córdoba, MACN). 27. Head in left lateral view. 28. Detail of arista, lateral view. 29 – 30. Austrophyto noa sp. nov. (paratype, MACN). 29. Detail of arista, lateral view. 30. Head in left lateral view. 31 – 32. Austrophyto noa sp. nov. (paratype, MNRJ). 31. Head in frontal view. 32. Left lateral habitus. 33 – 34. Austrophyto mariluisi sp. nov. (paratype, MACN). 33. Tip of abdomen in posterior view. 34. Left lateral habitus. Scale bars: 1 mm (Figs 27, 31 – 34); 200 µm (Figs 28 – 29); 500 µm (Fig. 30). For abbreviations, see Figs 10 – 13.

FIGURES 19 – 26. Austrophyto noa sp. nov. 19. Cerci, dorsal view (paratype, MNRJ). 20. Terminalia, lateral view (paratype, MACN); arrow showing rounded protuberance on cercal base. 21. Cercus and surstylus, lateral view (paratype, MNRJ). 22. Phallus and gonites, lateral view (paratype, MNRJ). 23. SEM image of phallus and gonites, lateral view (paratype, MACN); arrow showing the swollen, desclerotized ventral area. 24. Sternite 5, ventral view (paratype, MACN). 25. SEM image showing detail of vesica, left lateral view (paratype, MACN). 26. SEM image showing detail of harpes, left lateral view (paratype, MACN). Scale bars: 200 µm (Figs 19 – 24); 50 µm (Figs 25 – 26). For abbreviations, see Figs 1 – 9 and 10 – 13.

FIGURES 10 – 13. Austrophyto cordobensis Lopes (specimen from Córdoba, MACN). 10. Terminalia, left lateral view (phallus dissected). 11. Cerci and surstyli, dorsal view. 12. Phallus, left lateral view; arrow showing swollen, desclerotized ventral area. 13. Sternite 5, ventral view; arrows showing rounded basal lobes. Scale bars: 500 µm (Figs 10 – 11, 13); 200 µm (Fig. 12). Abbreviations: cer, cercus; ep, epandrium; pph, paraphallus, ST, sternite; stgst, syntergosternite; sur, surstylus; for other abbreviations, see Figs 1 – 9.

FIGURES 14 – 18. Austrophyto mariluisi sp. nov., paratype (MACN). 14. Phallus and gonites, left lateral view; arrow showing swollen, desclerotized ventral area. 15. Cerci and surstyli, dorsal view. 16. Cercus and surstyli, left lateral view. 17. SEM image of phallus and gonites, left lateral view; arrow showing incomplete dorsal hinge between basi- and distiphallus. 18. Sternite 5, ventral view; arrow showing rounded basal lobe. Scale bars: 200 µm. For abbreviations, see Figs 1 – 9 and 10 – 13.