Confidence: I'm as sure as I can be.
Notes: From Stubbs and Falk:
2. Upper outer cross-vein not re-entrant
5. R4+5 strongly looped --> Eristalini
1. R1 and R2+3 widely separated
3. No Myathropa pattern
4. Upper outer cross-vein slightly re-entrant. Legs entirely black, hind femur with triangular projection. --> Merodon equestris