Abstract
The history of Agria Robineau-Desvoidy (1830) and its relationship to Pseudosarcophaga Kramer (1908) are briefly reviewed. The original descriptions of Musca affinis Fallen 1817 (type of Pseudosarcophaga) and of the closely related Musca latifrons Fallén and Musca ruralis Fallén, are analyzed by comparison with each other and with authentic material, and the results of this analysis are applied to the original descriptions of Desvoidy’s species of Agria in an attempt to identify the type, Agria punctata R.-D., in the absence of a type specimen. It is concluded that Agria punctata has been identified correctly with Musca affinis and incorrectly with Musca latifrons.Agria affinis (Fall.) is replaced in the Nearctic Region by a sibling species, Agria housei n. sp., described herein. The relationship of Agria and related genera with the rest of the Sarcophaga complex is summarized with reference to the main literature sources.

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