The image on the right illustrates the long tongue. Count the legs if you are not sure.
About a dozen Rhingia campestris were noted on the lower slopes of Mill Hill, but there were probably many more than that. Hawkweeds were their flower of choice.
Click on the first picture for a close-up.
photographic study shows the Rhingia
in the north Shoreham garden. The first one and three below show Rhingia
visiting the Spotted
Deadnettle, Lamium maculatum, and its
long tongue is visible.
The two following species are thought most likely to be hoverflies.
first one was discovered on Green Alkanet
the southern end of the Waterworks Road.
The upturned snout indicates a species of Rhingia
this protuberance (elongated face) would seem more suitable for feeding
on the prevalent White Dead-nettle
rather than the plant it was on.
Rhingia campestris for comparison (Link)
Comparison photo of R. campestris and R. rostrata (Link to photographs by Nigel Jones)
The lateral margins of the tergites (dorsal segments) are edged in black in R. campestris, this is clearly visible on the image posted. R. rostrata lacks this feature. Source.
The second smaller brown fly (above right photograph) was ubiquitous on wasteland like the Dovecote Bank.