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Hi, I am trying to identify my Pipiza specimens based on the key in Vujic et al. 2013: Systematics of Pipizini and taxonomy of European Pipiza Fallen molecular and morphological evidence (Diptera, Syrphidae).

This female was collected close to Bjerringbro, in the central part of Jutland, Denmark. It looks like a P. fasciata (previously fenestrata), a species not found in Denmark. It corresponds to the descriptions of fenestrata in British Hoverflies by Stubbs and Falk, Nationalnyckeln and that of P. fasciata in the above-mentioned article. I do think, however, that it is a P. noctiluca with "too many" spots. Quite large parts of the basal cells and the alula are without microtrichia.

I hope you can help me identify this female.

Pipiza is really an interesting and annoyingly difficult family.

Best regards
Leif BC

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Indeed, that's very variable genus.

Please check for P. luteitarsis.

I believe yours is not P. noctiluca due wings should be more cloudy and abdomen more oval + I've personally never seen a specimen of P. fasciata nor P. fenestrata in real ( would personally exclude those)...

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Thank you for your reply, Robert.

I also considered P. luteitarsis, but the hind femurs are swollen and have a ridge. See photo that also show feet.

It may remain unidentified.

Br
Leif

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The female flanked by P. notata and P. noctiluca. I don't it is a P.noctiluca.