Cylindrotoma distinctissima distinctissima (Meigen, 1818) (Figs 1–5)

Materia l. Bulgaria: Barzia, Stara Planina Mts., Petrohan Pass, 1306 m a.s.l., 43.111397° N 23.112261° E, 10 Jun 2012, 10♂♂ 1♀, 28 May 2013, 1♂ and 1286 m a.s.l., 43.11285° N 23.11238° E, 10 Jun 2012, 3♂♂, leg. L. Keresztes (LK), E. Török (ET) and L.-P. Kolcsár (LPK).; Kiustendil, Osogovo Mts., Osogovska hut, 1520 m a.s.l., 42.196540° N 22.621927° E, 11 Jun 2012, 15♂♂ 2♀♀, leg. LK, ET & LPK ; Karnare, Stara Planina Mts., Beklemeto (Troyan) Pass, 1468 m a.s.l., 42.781119° N 24.613081° E, 13 Jun 2012, 6♂♂ 1♀, leg. LK, ET & LPK ; Tvarditsa, Stara Planina Mts., Ciumerna hut, 800 m a.s.l., 42.771301° N 25.897318° E, 14 Jun 2012, 3♂♂, leg. LK, ET & LPK ; Siroka Laka, Rhodope Mts., Perelik hut, 1855 m a.s.l., 41.604869° N 24.595761° E, 17 Jun 2012, 2♂♂ 1♀, leg. LK, ET & LPK ; Romania: Baia Sprie, Gutâi Mts., Gutâi pass, 990 m a.s.l., 47.694832° N 23.770095° E, 26 May 2012, 1♂, leg. LK ; Padi Ș, Bihor Mts., IC Ponor, 1300 m a.s.l., 46.574319° N 22.725695° E, 16 Jun 2013, 2♂♂, leg. L. Keresztes & A.-L. Dénes ; Hagota, Giurgeu Mts., Tisa Ș ul Valley, 860 m a.s.l., 46.861794° N 25.677228° E, 8 Jul 2013, 1♀, leg. LPK ; Stâna de Vale, Bihor Mts., Iad Valley, 1095 m a.s.l., 46.69021° N 22.615448° E, 9 Jun 2014, 4♂♂, leg. LPK ; Padi Ș, Bihor Mts., Cheile Some Ș ului Cald, 1300 m a.s.l., 46.630056° N 22.708094° E, 1 Jul 2016, 2♂♂ 3♀, leg. LPK. & ET ; Serbia: between Kopaonik and Jošanička Banja, Kopaonik Mts., 1600 m a.s.l., 43.298100° N 20.787058° E, 3♂♂ (in alcohol) and 1556 m a.s.l., 43.309970° N 20.765627° E, 4♂♂ (1 in alcohol, 3 pinned), 22 Jun 2017, leg. LPK & ET .

Habitat. The specimens were collected along small brooks in spruce ( Picea abies) dominated forest in Serbia, they were flown close to the ground (15–20 cm) or rest in ferns close to the brook (Fig. 6).

The current distribution of C. distinctissima according to the new and the literature data from Bulgaria and Romania (Ujvárosi and Oosterbroek 2002, Ujvárosi et al. 2011) is shown in Fig. 7.