Melangyna now confirmed

Stubbs and Falk keying

1. Humeri bare - Syrphinae
14. Face yellow @ sides
15. Not Paragini

Syrphinae - p.81

S1. Thoracic pleura no yellow markings
S5. Squama
S6. R4+5 gently dpped only
(S9). Eyes only slightly hairy
S15. Not E.balteatus
S16. Hairs pale
S17. Tergites 3-4 markings equal
S18. Tergites 3-4 spots
S23,S24,S25 Face knob dark
S26 Spots not terminating in upper corners
->
Melangyna lasiophthalma!