Malacophagomyia

Mulieri, Pablo Ricardo & Mello-Patiu, Cátia Antunes, 2013, Revision of the Neotropical genus Malacophagomyia (Diptera: Sarcophagidae) with description of a new species, Zootaxa 3736 (4), pp. 368-378 : 370-371

Key to species of Malacophagomyia (males only)

1 Parafacial and fronto-orbital plate with silvery microtomentum ( Figs 1–2 ). Abdomen brown or reddish with gray microtomentum, T5 with lateral spots of silvery-gray microtomentum ( Figs 7, 8 ). Surstylus small, elongated or rounded. Cerci with short

setae or with long villous setae on basal 1/ 2 in dorsal view..................................................... 2 - Parafacial and fronto-orbital plate with golden microtomentum ( Fig. 3 ). Abdomen black with gray microtomentum, T5 with latero-ventral part reddish, with lateral spots of light golden microtomentum ( Fig. 22 ). Surstylus conspicuously large, broad, with rounded tip ( Fig. 28 ). Cerci with long villous setae on basal 3/ 4 in dorsal view ( Fig. 27 ).......... M. rivadavia sp. nov. 2 Syntergosternite 7+8 blackish. Cerci short (cerci length 2X cerci width), covered with short setae ( Fig. 12 ). Arms of ST5 with several fine setae on its inner surface, and short posterior lobes ( Fig. 4 ).................................. M. filamenta

- Syntergosternite 7+8 reddish. Cerci elongated (cerci length 3X cerci width), covered with long villous setae on basal half ( Fig. 19 ). Arms of ST5 with strong spine-like setae on inner surface, and elongated posterior lobes ( Fig. 5 )......... M. kesselringi

Figures

FIGURES 1 – 6. Malacophagomyia species, males. 1 – 3. Head, fronto-lateral view. 1. Malacophagomyia filamenta (Dodge). 2. Malacophagomyia kesselringi Kano & Lopes. 3. Malacophagomyia rivadavia n. sp., holotype. 4 – 6. Sternite 5. 4. Malacophagomyia filamenta (Dodge). 5. Malacophagomyia kesselringi Kano & Lopes. 6. Malacophagomyia rivadavia n. sp., holotype (MACN). Abbreviations: Lb, lobes of sternite 5; ST 4, sternite 4 ST 5, setae on inner surface of arms of sternite 5. Scale bars 1 mm.

FIGURES 7 – 9. 7. Malacophagomyia filamenta (Dodge), male habitus. 8 – 9. Malacophagomyia kesselringi Kano & Lopes. 8. Male habitus, holotype (MNRJ). 9. Original labels of the holotype. Scale bars 1 mm.

FIGURES 22 – 24. Malacophagomyia rivadavia n. sp., holotype (MACN). Scale bar 1 mm. 22. Male habitus, holotype. 23. Original labels of the holotype. 24. Phallus. Abbreviations Bph, basiphallus; H, harpes; iaLs, inner arm of lateral stylus; J, juxta; Ms, median stylus; oaLs, outer arm of lateral stylus. Scale bar 0.1 mm.

FIGURES 25 – 29. Malacophagomyia rivadavia n. sp., 25. Pregonite, left lateral view. 26. Postgonite, left lateral view. 27. Cerci, posterior view. 28. Cercus and surstylus, left lateral view. 29. Phallus, left lateral view. Abbreviations: Bph, basiphallus; Dph, distiphallus; H, harpes; iaLs, inner arm of lateral stylus; J, juxta; Ms, median stylus; oaLs, outer arm of lateral stylus. Scale bars 0.1 mm.

FIGURES 10 – 14. Malacophagomyia filamenta (Dodge), male genitalia. 10. Pregonite, left lateral view. 11. Postgonite, left lateral view. 12. Cerci, posterior view. 13. Cercus and surtylus, left lateral view. 14. Phallus, left lateral view. Abbreviations: Bph, basiphallus; Dph, distiphallus; iaLs, inner arm of lateral stylus; H, harpes; J, juxta; Ms, median stylus; oaLs, outer arm of lateral stylus. Scale bars 0.1 mm.

FIGURES 17 – 21. Malacophagomyia kesselringi Kano & Lopes, male genitalia. 17. Pregonite, left lateral view. 18. Postgonite, left lateral view. 19. Cerci, posterior view. 20. Cercus and surstylus, left lateral view. 21. Phallus, left lateral view. Abbreviations: Bph, basiphallus; Dph, distiphallus; H, harpes; iaLs, inner arm of lateral stylus; J, juxta; Ms, median stylus; oaLs, outer arm of lateral stylus. Scale bars 0.1 mm.