The syrphids of Serra do Courel, Northern Spain and description of a new Cheilosia Meigen species (Diptera: Syrphidae) Author Ricarte, Antonio Author Rotheray, Graham E. Author Lyszkowski, Richard M. Author Hancock, E. Geoffrey Author Hewitt, Stephen M. Author Watt, Kenneth R. Author Horsfield, David Author Macgowan, Iain text Zootaxa 2014 2014-05-01 3793 4 401 422 journal article 45904 10.11646/zootaxa.3793.4.1 02db0742-97fe-4ff8-8917-c8d2591d12a1 1175-5326 225393 AC4CD487-B78B-4C3B-A777-15B0F27F2590 Episyrphus balteatus (De Geer) Material examined. Leg. A. Ricarte: 1♂ , meadow along Moreda valley, 720 m , 29.v.2012 ; 1♂ , Moreda valley, near Aula Naturaleza, Castanea sativa souto, 720 m , 23.v.2012 [ NMS ]. Eristalis horticola (De Geer) [(as E. lineata in Hippa et al. 2001 ) ] Material examined. Leg. A. Ricarte: 3♂ , meadow along Moreda valley, 720 m , on flowers of Chaerophyllum hirsutum , 24.v.2012 ( 1♂ ), 28.v.2012 ( 1♂ ), 29.v.2012 ( 1♂ ) [ NMS ]. Leg. R.M. Lyszkowski: 1♂ , nr. Pedra Boa, 750 m , 24.v.2012 [RL]. Leg. S.M. Hewitt: 1♂ , Moreda Valley meadows, 21.v.2012 [ CALMG ]. Taxonomic notes. Two of the four males obtained were smaller and shared external characters and genitalia with Eristalis stackelbergi Doležil and Rozkošn, 1967 , which is currently considered as a synonym of E. horticola (as E. lineata in Hippa et al. 2001 ). Eristalis nemorum (Linnaeus) [(as E. interrupta in Hippa et al. 2001 ) ] Material examined. Leg. A. Ricarte: 1♂ , meadow along Moreda valley, 28.v.2012 [ NMS ].