Revision of the Neotropical genus Malacophagomyia (Diptera: Sarcophagidae) with description of a new species Author Mulieri, Pablo Ricardo Author Mello-Patiu, Cátia Antunes text Zootaxa 2013 3736 4 368 378 journal article 10.11646/zootaxa.3736.4.4 4b9d7a02-5cb6-4639-b2ca-03a312bcfaa9 1175-5326 217356 5A3E16DF-E55F-42DF-96E7-A3EE23561186 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