Eristalis sp - dark colouring, ID help would be appreciated

Eristalis sp - dark colouring, ID help would be appreciated

Observation - Eristalis sp - dark colouring, ID help would be appreciated. Description: Almost certain this is Eristalis, but not sure about the species due to the dark colouring of the abdomen and the light lines between the segments. Observed in an urban garden in South Wales

Almost certain this is Eristalis, but not sure about the species due to the dark colouring of the abdomen and the light lines between the segments.
Observed in an urban garden in South Wales