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. Male of F. latifrontalis Hennig, 1955 is described and illustrated for the first time. Fannia jezoensis Nishida, 1976 is first reported from West Palaearctic, Fannia morrisoni Malloch, 1913 is first recorded from Palaearctic Region. Fannia umbrosa (Stein, 1895) and F. armata (Meigen, 1826; first record based on morphologically identified specimens) are new records from Nearctic Region. Six species (Fannia fuscitibia Stein, 1920, F. latifrontalis, F. limbata (Tiensuu, 1938), F. verrallii (Meade, 1891), F. gotlandica Ringdahl, 1926 and F. spathiophora, Malloch, 1918) are recorded for the first time from Slovakia.

Four new West Palaearctic species and new distributional records of Hybotidae (Diptera).

Megagrapha starki Barták & Grootaert, sp. nov. (Poland, Russia, Slovakia), Oedalea portugalica Barták & Grootaert, sp. nov. (Portugal), Hybos conicus Grootaert & Barták, sp. nov. (Greece, Turkey), and Platypalpus obscuroides Barták & Grootaert, sp. nov. (Slovakia) are described and illustrated. Diagnostic characters are discussed. The female of Syndyas merzi Shamshev & Grootaert, 2012 is described for the first time. New distributional records are presented: Megagrapha europaea Papp & Földvári, 2001 is first reported from Slovakia and Syndyas merzi Shamshev & Grootaert, 2012 is first reported from Turkey.

Two new West Palaearctic species of Atelestus Walker (Diptera, Atelestidae) and new distributional records of the family.

Atelestus turcicus Barták, sp. nov. (Turkey) and Atelestus ibericus Barták, sp. nov. (Spain) are described and illustrated. A key to all known Palaearctic species of Atelestus is provided and the main diagnostic characters are discussed. The female of Nemedina acutiformis Carles-Tolrá, 2008 is described for the first time. New distributional records are presented: Atelestus dissonans Collin, 1961 - first records from Spain and Bulgaria, A. pulicarius (Fallén, 1816) - first record from Turkey, Nemedina alamirabilis Chandler, 1981 - first record from Bulgaria and N. acutiformis Carles-Tolrá, 2008 - first record from Turkey.

Empidinae (Diptera, Empididae) from Bulgaria with new records and descriptions of three new species.

Empis (Leptempis) rhodopensis Barták sp. n., Hilarabulgarica Barták sp. n., and Rhamphomyia (Amydroneura) stojanovae Barták sp. n. are described from Bulgaria. Altogether 32 species of Empididae are first reported from Bulgaria.