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!
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