The purpose of this application, under article 70.2 of the Code, is to conserve the current usage of the generic name Ocydromia Meigen, 1820 for a well-established genus of hybotid flies. The type species of Ocydromia has long been assumed to be Empis glabricula Fallén, 1816. However, the correct type species is Ocydromia ruficollis Meigen, 1820, which is currently treated in the genus Leptopeza Macquart, 1834. Acceptance of Ocydromia ruficollis Meigen, 1820 as the type species of Ocydromia would change the current concept of that genus to that of Leptopeza, and a new generic name would be required for the taxon currently called Ocydromia. To avoid the nomenclatural instability that would result from following the Principle of Priority, it is proposed that all type fixations for Ocydromia Meigen, 1820 prior to that of Empis glabricula Fallén, 1816 by Westwood (1840) be set aside.