New species and new records of Microcerella Macquart (Diptera: Sarcophagidae) belonging to the M. spinigena species-group

A new species of the genus Microcerella Macquart, Microcerella cristiani sp. nov., is described from material obtained from Argentinean Patagonia. First records are given for Microcerella austrohartigia Pape in Argentina. Both species belong to the M. spinigena species group.