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Geomyza tripunctata? 3mm, female, from 29 September 2007, on Creeping Thistle in east London inner city park. Wing waving. Arista plumose, body near black and glossy, cross veins very darkened.

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Yes, Susan, Geomyza tripunctata is very winter fly

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Thank you Nikita

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Hi Susan,

Indeed no doubt about this being a female of Geomyza tripunctata. I also have G. tripunctata from The Netherlands collected from as early as March till as late as November, although the majority of the material is of the period from May till August.

Yesterday, I saw a female of Palloptera muliebris. I never saw this species this late.

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Thanks for the confirmation of G tripunctata Jan Willem.

Considering their liking for the indoors, perhaps it is not so surprising that P muliebris can be quite late.