The Helcomyzidae are a small family of flies in the Acalyptratae. The larvae feed on kelp and other organic matter washed up on shorelines. Species diversity is highest in New Zealand and south temperate South America. They are sometimes allied with the families Dryomyzidae or Coelopidae. Classification Genus: Helcomyza Curtis, 1825 Helcomyza mediterranea Loew, 1854 Helcomyza mirabilis Melander, 1920 Helcomyza ustulata Curtis, 1825 Genus: Maorimyia Tonnoir & Malloch, 1928 Maorimyia bipunctata (Hutton, 1901) Genus: Paractora Bigot, 1888 Paractora angustata Malloch, 1933 Paractora antarctica (Thomson, 1869) Paractora asymmetrica (Enderlein, 1930) Paractora bipunctata (Hutton, 1901) Paractora dreuxi Seguy, 1965 Paractora jeanneli Seguy, 1940 Paractora moseleyi (Austen, 1913) Paractora rufipes (Macquart, 1844) Paractora trichosterna (Thomson, 1869) References McAlpine, J. P. (ed.), 1981–89.Manual of Nearctic Diptera. Research Branch, Agriculture Canada Monograph Brachycera families