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Supporting FEET Conservation & Biodiversity Recording
The illustration of pattern on that site is fairly pointless, as it is comparing a female scalare to a male mellinum, isn't it?
Edit: In fact it seems to show a female scalare and a male scalare!
My Flickr photos...
It looked to me as if the compilation inset ?? was comparing like for like ie a male and female of each species side by side although the eye spacing is not visible to determine the sex The males of scalar have longer, thinner bodies than females
Your fly shown above is definitely a male scalare...the second picture makes that clear from the length of the tergites.
Lat/Lng: 53.6, -1.9
OS grid ref: SE1221