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Emerged from Lipara lucens galls collected 24 March 2016, Humber estuary foreshore east of Winteringham. In alcohol. Is it a chloropid? The antenna is very different from other chloropids that came from the same galls, Cryptonevra.

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The same specimen but dry. Yellow edge to the frons.

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Pattern of setae on top of throax.

Thanks for any help, John

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I think this one is Elachiptera cornuta

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Thanks. I'll check it against the key.

John

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I ran it through the Elachiptera key and got to

Male femoral comb with 40-50 setae in an irregular patch: cornuta
Male femoral comb with under 20 setae in two discrete rows: sp. near cornuta

I've added another photo which, with a bit of imagination, shows two rows of pegs on the top of the middle femora, so if this is the femoral comb, I suppose it is "sp. near cornuta". Does the Fauna Ent. Scand volume have any mention of this, please?

John

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FES mentions "Femoral organ present as two rows or a group of warts" in the generic description, but no further mention of it in the key or species descriptions.