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Thanks for the ID. Out of interest what features indicated that it is E.intricarius? I knew it was an Eristalis sp, but I've seen quite a few E.intricarius and thought this might was something different as the shape wasn't right and it did not have a white tail. I suspected it could be E.arbustorum, but wasn't sure.
The first picture does look like Eristalis intricarius, though the angle is not great. The second picture is surely not that species, though: It is too pointed in the abdomen, lacks the clear yellowish scutellum and the 'fur' on the thorax. It looks more like E.tenax, but I would not put an ID to it.
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In the field, I find the completely orange scutellum the most obvious feature, as far as I know all the other Eristalis species have dark scutellums.
You are right about the second picture - it is a different fly / species - I just looked at the first pic for the ID. I'd have to say Eristalis sp. for this one.
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Dam, thought I had successfully tracked it to the next flower. Clearly I hadn't.
Thanks for the input
Lat/Lng: 52.70321, -2.73728
OS grid ref: SJ502119