Fanniidae (Diptera): new species, new records and first description of the male of Fannia latifrontalis Hennig.

Fannia bohemica sp. nov. (Czech Republic, Slovakia) is described and illustrated.

Fanniidae (Diptera): new synonym, new records and an updated key to males of European species of Fannia.

Based on revision of large recent collections of the authors, the following five species are first recorded from the Czech Republic: Fannia collini d'Assis-Fonseca, 1966 (simultaneously first record in Central Europe), Fannia lugubrina (Zetterstedt, 1838), Fannia melania (Dufour, 1839), Fannia slovaca Gregor & Rozkošný, 2005, and Fannia brinae Albuquerque, 1951 (simultaneously first record from low altitudes). Another species, Fannia alpina Pont, 1970, is first recorded from Slovak Republic, and Fannia cothurnata (Loew, 1873) is first recorded from Kazakhstan. An updated key to males of European species of Fannia is presented.