Updating and Expanding the Key to European Megaselia (Diptera, Phoridae): From Disney's Britain to a Continental Fauna, with 393 Additions and Four New Species

This dataset is core part of the article "Updating and Expanding the Key to European Megaselia (Diptera, Phoridae): From Disney's Britain to a Continental Fauna, with 393 Additions and Four New Species" (Supplementary 1), and provides a comprehensive list of additions to Disney’s 1989 British key for the genus Megaselia. The file expands the original 221 species to include 393 additional taxa, covering all described Palearctic species.