3141 Author O’Hara, James E. Author Cerretti, Pierfilippo Author Pape, Thomas Author Evenhuis, Neal L. text Zootaxa 2011 2011-12-23 3141 1 268 journal article 1175­5334 324 . Mesembrius Rondani , 1857 : 50 . ORIGINALLY INCLUDED SPECIES: Helophilus peregrinus Loew, 1846 . TYPE SPECIES : Helophilus peregrinus Loew, 1846 , by monotypy . CURRENT STATUS: Valid genus [ teste Peck (1988: 202) ]. FAMILY: SYRPHIDAE . [Mesomelaena] Rondani , 1865b : 230 . CURRENT STATUS: Incorrect subsequent spelling of Mesomelena Rondani, 1859 . FAMILY: SARCOPHAGIDAE . REMARKS: Criteria for making this name available as an emendation were not found to be fulfilled in this work.