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].