Argoravinia

Filho, Fernando Da Silva Carvalho & Esposito, Maria Cristina, 2012, Revision of Argoravinia Townsend (Diptera: Sarcophagidae) of Brazil with the description of two new species, Zootaxa 3256, pp. 1-26 : 3-4

Key to males and females* of species of Argoravinia

* The females of A. candida , A. catiae , and A. timbarensis are unknown.

1. Five to six fronto-orbital bristles. Four post-sutural dorsocentral bristles, first two weak. Male cercus with prong strongly bent backwards and with a cluster of spines on dorsal surface ( Figs. 17, 18 , 24 , 26 , 35 ). Gena usually grayish with black setae …subgenus Argoravinia ................................................................................ 2

- Seven to 12 fronto-orbital bristles. Three post-sutural dorsocentral bristles. Male cercus with prong almost straight and without spines on dorsal surface ( Figs. 5 , 41 ), or if bent backwards then without spines on dorsal surface. Gena usually golden with whitish setae … subgenus Raviniopsis ..................................................................... 8

2. Males.............................................................................................. 3

- Females............................................................................................. 6

3. Lateral epandrial apophysis narrow and very long, as long as bent portion of cercus ( Figs. 1 , 16 ). Lateral apophysis with tip

claw-like, pointed and gently curved downwards ( Figs. 1 , 16 ). [ Brazil, Colombia, Trinidad & Tobago, Venezuela]................................................................................... A. (Argoravinia) alvarengai Lopes - Lateral epandrial apophysis wide and short, shorter than bent portion of cercus ( Figs. 2, 3, 4 , 21 , 25 , 33 , 34). Lateral apophysis with apex rounded and not pointed ( Figs. 2, 3, 4 , 21 , 25 , 33 , 34)................................................. 4

4. Lateral apophysis very large, fully hiding the surstylus and projecting above dorsal surface of cercus ( Figs. 2 , 21 ) [ Brazil].............................................................................. A. (Argoravinia) catiae sp. nov.

- Lateral apophysis narrow, hiding only basal portion of surstylus and most of the lateral portion of cercus ( Figs. 3, 4 , 25 , 33 , 34).................................................................................................... 5

5. Three pre-sutural dorsocentral bristles. Pregonite apex with two rounded tips ( Figs. 8 , 29 ). Lateral apophysis cone-shaped, with large base and narrow apex, not reaching beyond lateral margin of cercus ( Figs. 3 , 25 ) [ United States to Argentina, Marshall Islands]........................................................ A. (Argoravinia) rufiventris (Wiedemann)

- Two pre-sutural dorsocentral bristles. Pregonite apex with two claw-like tips ( Figs. 9 , 36, 37 ). Lateral apophysis tongueshaped, with base little narrowed in relation to apex, reaching beyond lateral margin of cercus ( Figs. 4 , 33, 34 ) [ Brazil].............................................................................. A. (Argoravinia) paraensis sp. nov.

6. Three pre-sutural dorsocentral bristles..................................................................... 7

- Two pre-sutural dorsocentral bristles [ Brazil].................................... A. (Argoravinia) paraensis sp. nov.

7. Second abdominal sternite with median marginal bristles weaker than lateral ones ( Fig. 49 ) [ Brazil, Colombia, Trinidad & Tobago, Venezuela]......................................................... A. (Argoravinia) alvarengai Lopes

- Second abdominal sternite with median marginal bristles stronger than lateral ones ( Fig. 52 ) [ United States to Argentina, Marshall Islands]........................................................ A. (Argoravinia) rufiventris (Wiedemann)

8. Males.............................................................................................. 9

- Females............................................................................................ 12

9. Cercus with prong strongly bent backwards. Distiphallus without ventro-median projection [ Ecuador].......................................................................................... A. (Raviniopsis) timbarensis (Lopes)

- Cercus with prong almost straight ( Figs. 5 , 41 ). Distiphallus with ventro-median projection ( Figs. 40 , 44, 46 )........... 10

10. Post-sutural acrostichal bristles absent. Meron with 7–8 bristles. Three pairs of marginal scutellar bristles [ Cuba, Jamaica, Puerto Rico]................................................................ A. (Raviniopsis) candida (Curran)

- One weak post-sutural acrostichal bristle. Meron with 9–11 bristles. Two pairs of marginal scutellar bristles............ 11

11. Distiphallus in lateral view with glans (dark region inside distiphallus) narrow, restricted to lateral margin of distiphallus ( Fig. 45 ) [ Mexico to Brazil, Marshall Islands]....................................... A. (Raviniopsis) aurea (Townsend)

- Distiphallus in lateral view with glans large, from median region to lateral margin of distiphallus ( Fig. 43 ) [southern Brazil]........................................................................... A. (Raviniopsis) brasiliana (Lopes)

12. Post-sutural acrostichal bristles absent. Meron with 7–8 bristles [ Cuba, Jamaica, Puerto Rico]................................................................................................... A. (Raviniopsis) candida (Curran)

- One weak post-sutural acrostichal bristle. Meron with 9–11 bristles............................................. 13

13. Two setulae on membrane between tergites 6 and 8 ( Figs. 57, 58 ) [ Mexico to Brazil, Marshall Islands]........................................................................................... A. (Raviniopsis) aurea (Townsend)

- Membrane between tergites 6 and 8 without setulae ( Figs. 59, 60 ) [southern Brazil]...... A. (Raviniopsis) brasiliana (Lopes)

Figures

FIGURES 16 – 19. Argoravinia alvarengai Lopes, male. 16. Lateral apophysis and cercus, lateral view. Scale bar = 90 µm. 17. Cercus apex, dorsal view. Scale bar = 20 µm. 18. Cercus apex, dorso-lateral view. Scale bar = 20 µm. 19. Distiphallus, ventral view. Scale bar = 23 µm. Abbreviations: LA = lateral apophysis; LP = lateral plate; MS = median stylus; V = vesica.

FIGURES 20 – 24. Argoravinia catiae sp. nov., male. 20. Distiphallus, lateral view. Scale bar = 120 µm. 21. Epandrium and cercus, postero-lateral view. Scale bar = 180 µm. 22. Distiphallus, ventral view. Scale bar = 100 µm. 23. Posterior margin of fifth sternite. Scale bar = 50 µm. 24. Cercus apex; dorso-lateral view. Scale bar = 25 µm. Abbreviations: BPS = basal process of lateral stylus; LA = lateral apophysis; LP = lateral plate; LS = lateral stylus; MS = median stylus; V = vesica.

FIGURES 25 – 30. Argoravinia rufiventris (Wiedemann), male. 25. Lateral apophysis, lateral view. Scale bar = 30 µm. 26. Cercus apex, dorsal view. Scale bar = 30 µm. 27. Distiphallus, lateral view. Scale bar = 50 µm. 28. Distiphallus, ventral view. Scale bar = 60 µm. 29. Pregonite apex, lateral view. Scale bar = 20 µm. 30. Posterior margin of fifth sternite. Scale bar = 60 µm. Abbreviations: BPS = basal process of lateral stylus; LA = lateral apophysis; LP = lateral plate; LS = lateral stylus; V = vesica.

FIGURES 35 – 37. Argoravinia paraensis sp. nov., male. 35. Cercus apex, dorsal view. Scale bar = 20 µm. 36. Pregonite and postgonite, lateral view. Scale bar = 50 µm. 37. Pregonite apex, lateral view. Scale bar = 20 µm.

FIGURES 1 – 5. Epandrium and cercus, lateral view. 1. Argoravinia alvarengai Lopes. 2. Argoravinia catiae sp. nov. 3. Argoravinia rufiventris (Wiedemann). 4. Argoravinia paraensis sp. nov. 5. Argoravinia aurea (Townsend). Scale bars = 0.2 mm. Abbreviations: C = cercus; E = epandrium; LA = lateral apophysis; S = surstylus.

FIGURES 38 – 42. Argoravinia aurea (Townsend), male. 38. Distiphallus, lateral view. Scale bar = 60 µm. 39. Distiphallus apex without ventro-median projection of phallic tube (VMP), lateral view. Scale bar = 20 µm. 40. Distiphallus without ventromedian projection (VMP), lateral view. Scale bar = 30 µm. 41. Epandrium and cercus, lateral view. Scale bar = 50 µm. 42. Fifth sternite. Scale bar = 200 µm. Abbreviations: BPS = basal process of lateral stylus; LP = lateral plate; LS = lateral stylus; MS = median stylus; V = vesica; VMP = ventro-median projection of phallic tube.

FIGURES 31 – 34. Argoravinia paraensis sp. nov., male. 31. Distiphallus, lateral view. Scale bar = 100 µm. 32. Distiphallus, ventral view. Scale bar = 60 µm. 33. Epandrium and cercus, lateral view. Scale bar = 200 µm. 34. Lateral apophysis, lateral view. Scale bar = 40 µm. Abbreviations: BPS = basal process of lateral stylus; LA = lateral apophysis; LP = lateral plate; LS = lateral stylus; V = vesica.

FIGURES 6 – 10. Postgonite and pregonite, lateral view. 6. Argoravinia alvarengai Lopes. 7. Argoravinia catiae sp. nov. 8. Argoravinia rufiventris (Wiedemann). 9. Argoravinia paraensis sp. nov. 10. Argoravinia aurea (Townsend). Scale bars = 0.1 mm. Abbreviations: PRG = pregonite; PTG = postgonite.

FIGURES 47 – 54. 47 – 49. Argoravinia alvarengai Lopes, female. 47. Terminalia and abdominal sternites, ventral view. 48. Terminalia, ventral view. Scale bar = 0.3 mm. 49. First and second abdominal sternites. Scale bar = 0.3 mm. 50 – 53. Argoravinia rufiventris (Wiedemann), female: 50. Terminalia and abdominal sternites, ventral view. Scale bar = 0.3 mm. 51. Terminalia, ventral view. Scale bar = 0.3 mm. 52. First and second abdominal sternites. Scale bar = 0.3 mm. 53. Spermatheca. Scale bar = 0.1 mm. 54. Argoravia aurea (Townsend), female, spermatheca. Scale bar = 0.1 mm. Abbreviations: ce = cercus; ep = epiproct; hy = hypoproct; St = sternite; T = tergite.

FIGURES 43 – 46. 43 – 44. Argoravinia brasiliana (Lopes), male. 43. Distiphallus, lateral view; 44. Distiphallus, ventral view. 45 – 46. Argoravinia aurea (Townsend), male: 45. Distiphallus, lateral view; 46. Distiphallus, ventral view. Abbreviations: GL = glans; LP = lateral plate; LS = lateral stylus; MS = median stylus; V = vesica; VMP = ventro-median projection of phallic tube.

FIGURES 55 – 60. 55 – 56. Argoravinia paraensis sp. nov., female. 55. Terminalia and abdominal sternites, ventral view. Scale bar = 0.3 mm. 56. Terminalia, ventral view. Scale bar = 0.3 mm. 57 – 58. Argoravinia aurea (Townsend), female. 57. Terminalia and abdominal sternites, ventral view. Scale bar = 0.3 mm. 58. Terminalia, ventral view. Scale bars = 0.3 mm. 59 – 60. Argoravinia brasiliana (Lopes), female. 59. Terminalia and abdominal sternites, ventral view. Scale bar = 0.3 mm. 60. Terminalia, ventral view Scale bar = 0.3 mm. Abbreviations: ce = cercus; ep = epiproct; hy = hypoproct; St = sternite; T = tergite.