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I think this is Angioneura cyrtoneurina female, but I am interested in others' opinion.

THis is a rather common species in and around my garden.

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It is difficult to judge from this picture, but it is simply too large for Angioneura and Angioneura cyrtoneurina is extremely rare everywhere. So this seems unlikely.

Obvious alternatives are Melinda or female Rhinophora.

Theo

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The fly is very small, cc 4 mm only! Rhinophora imho is a glossy species. Bellardia is also metallic. This fly is not metallic. In and around my garden this fly is common, so it will be easy to catch this. I usually observe this fly daily. But maybe the Rhiniophora line is worth investigating further.

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In Rhinophora lepida, the M reaches R4and5 way before the edge of the wing. Although not clearly visible here, I think in this fly it really merges only at the edge.

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https://diptera.info/forum/viewthread.php?thread_id=96385 - I think my fly really looks similar to this, but I may be wrong. Note also the similar calypter structure.

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I uploaded another observation, where it can be clearly seen that there is no stalk in either wings. I also photographed this fly in Austria, yesterday, so I think this is a reasonably common genus in Central Europe.

https://www.inatu...s/87034490

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Now I found Angioneura in Fauna Hungariae under Rhinophoridae. The key leads to Angioneura acerba, rather than cyrtoneurina. Only one female of cyrtoneurina was ever found in Hungary, while acerba is said to be common.

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Yesterday I found a Rhinophora lepida, roughly at the same spot on the same flower. It is remarkably similar, save for the wing venation, and the greenish rather than blackish shine.


https://www.inaturalist.org/observations/89952909

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The apical scutellar bristles are strong, so please forget about Angioneura. As you corrected pointed out, the wing venation is clearly inconsistent with Rhinophora. If it is very common in your garden, it must be a common species in general.

Theo

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Ok, the fly will stay mystery until next year, when I will try to key out the genus, which I normally find more challenging than finding the species within a genus.