ABSTRACT. Phaollia Robineau-Desvoidy (Diptera, Muscidae, Phaoniinae). 11. Revision of lhe neolropical species. Thirty eight species are recognized in the Neotropical Region. Twenty four are redescribed and illuslrated and fourteen were nOl redescribed, beca use they are well detinite in lhe original descriplion . A new combination for Mydaea triseta Curran, 1931 (BigOl, 1885). A key to lhe neotropical species is presented tor the thirty eight recognized species.