Chrysotoxum vernale Loew

Ricarte, Antonio, Rotheray, Graham E., Lyszkowski, Richard M., Hancock, E. Geoffrey, Hewitt, Stephen M., Watt, Kenneth R., Horsfield, David & Macgowan, Iain, 2014, The syrphids of Serra do Courel, Northern Spain and description of a new Cheilosia Meigen species (Diptera: Syrphidae), Zootaxa 3793 (4), pp. 401-422 : 409

Chrysotoxum vernale Loew

Material examined. Leg. A. Ricarte: 3♀, A Fontela, near A Tara, path edge vegetation, 1280 m, 25.v.2012; 2♀, meadow along Moreda valley, 720 m, 24.v.2012 (1♀), 29.v.2012 (1♀); 1♀, track Alto do Couto to Formigueiros, edge vegetation, 1330 m, 25.v.2012. Leg. D. Horsfield: 1♀, LU-1303 road, 1100 m, dry, herb-rich grassland [ NMS]. Leg. E.G. Hancock: 1♂ and 2♀, nr Moreda, meadow by woodland edge (1♀), 23−28.v.2012; 1♀, Alto do Couto, 25−27.v.2012 [HM]. Leg. R.M. Lyszkowski: 1♀, Formigueiros top, 1635 m, 29.v.2012; 1♀, As Veigas, 930 m, 28.v.2012 [RL]. Leg. S.M. Hewitt: 1♀, A Fontela, near A Tara, 23.v.2012; 1♀, Moreda Valley meadows, 25.v.2012 [ CALMG].