Boletina gripha
This was the first time I've tried to key out a member of this family. It went to Boletina fairly easily using Hackston. Boletina gripha is one of a number of Bolitina that can only be separated with reference to the genitalia. Ideally this would have included tergite 9 but the bit I thought was this turned out not to be once I got it under the high-powered microscope, and in my attempt to isolate it I must have destroyed the real tergite 9 (or else it's hidden within the gunk I didn't clear out properly). Earlier in the key, the claw details of the foreleg had proved tough to see, so I made this a little eaier by clearing the leg alongside the abdomen - even then I wasn't entirely convinced so was glad to be able to check the genitalia as well. Even without tergite 9 I think there is enough to secure the ID.
, Cathedral Meadows, 6-Mar-20 (A) (3).jpg)
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male Boletina gripha showing wing, fore claw and 3 views of the genitalia, North Elmham Cathedral Meadows (Norfolk, UK), 6th March 2020