The largest genus of the family Sarcophagidae (Insecta, Diptera), Sarcophaga Meigen (sensu lato), has ∼160 subgenera; however, the validity and phylogenetic relationships of these are still unclear, impeding progress in evolutionary studies. This study presents a phylogenetic hypothesis for selected subgenera of Sarcophaga s.l. based on COI sequences (685 bp) for 87 species representing 27 valid subgenera. The subgenera Stackelbergeola Rohdendorf and Rohdendorfisca Grunin are reconsidered in the light of new molecular, morphological and biological data. The female is described for the first time for a representative of both subgenera, and Sarcophaga (Rohdendorfisca) flagellifera (Grunin) is shown to be a parasitoid of tettigoniid grasshoppers. As the male of Sarcophaga (Stackelbergeola) sushkini (Rohdendorf) is insufficiently documented in the literature, a redescription is provided based on material from Xinjiang, thereby providing the first record of this subgenus and species from China. Detailed documentation through photographs, scanning electron microscopy and illustrations of the adult morphology is also provided. The subgenera Stackelbergeola and Rohdendorfisca are shown to be monophyletic, together forming a monophylum supported by molecular and morphological data, and they are placed in a wider phylogenetic context of the megadiverse genus Sarcophaga s.l.
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Vol. 30 • No. 5