Abstract
Sarcophaga (Bulbostyla) subgen. nov. is described as a new subgenus of Sarcophaga Meigen to accommodate some species previously assigned to the subgenus S. (Neobellieria) Blanchard. Sarcophaga (Bulbostyla) contains nine species: S. airosalis sp. nov., S. cadyi sp. nov. (type species), S. cuautla sp. nov., S. fattigina sp. nov., S. ironalis sp. nov., S. semimarginalis Hall, S. sternalis (Reinhard), S. subdiscalis Aldrich and S. yorkii Parker. All species are described and illustrated and a key to the species is provided. The species within the subgenus are morphologically uniform externally and are distinguished mostly on male genitalic characters. Phylogenetic relationships within Bulbostyla are unresolved based on morphological characters and will require consideration of additional characters, such as molecular sequence data. The genus-group taxon Robackina Lopes is removed from synonymy with the subgenus Sarcophaga (Neobellieria) and reinstated as a valid subgenus of Sarcophaga (stat. nov.) to accommodate the single New World species Sarcophaga triplasia Wulp. A lectotype is designated for S. triplasia. The subgenus and species are redescribed and illustrated.References
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