A REVISION OF THE PALEARCTIC SPECIES OF GYMNOMUS-LOEW (DIPTERA, HELEOMYZIDAE)

A revision of the genus is given with the new taxonomical status as genus and the generic characters are discussed. Six species new to the science are described: G. czernyi sp. n. (Czecho-Slovakia, Germany, Hungary, Poland), G. gorodkovi sp. n. (Mongolia), G. europaeus sp. n. (several European countries), G. martineki sp. n. (Austria, Switzerland), G. mongolicus sp. n. (Mongolia), G. soosi sp. n. (Bosnia). The lectotypes for G. spectabilis (LOEW, 1862) and G. caesius (MEIGEN, 1830) are designated. Description of male terminalia of all the twelve species (incl. those of the type-species, Gymnomus troglodytes LOEW, 1868) are presented. G. caesius (MEIGEN, 1830), G. ceianui (MARTINEK, 1985), G. mariei (SEGUY, 1934), G. sabroskyi (GILL, 1962) and G. spectabilis (LOEW, 1862) are new combinations. Gymnomus ceianui (MARTINEK, 1985) was earlier mentioned as Scoliocentra tatrica MS name. The key to the hitherto known Palaearctic species is given. With 72 original drawings.