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Orange is a national colour in the Netherlands, where I saw this fly! I found it on a oozing oak tree, hided in the shadow side down in grass. The tree was in deciduous forest in the dunes (Amsterdamse Waterleiding Duinen). I realize the photograph is not too much to go on, but I never saw a completely orange fly, so I hope an ID is possible nevertheless. Medium sized, say about 8 - 10 mm.

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I'd say it is Phaonia pallida.

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Thanks! I guess it is a male (touching eyes), or am I mistaken? I wonder what its known distribution is?

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Hello!



I just wanted to post a similar fly from Germany, found yesterday. I was not sure if it was P. pallida or perhaps Pegomya silacea from the Anthomyiidae.

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Hi Cor and Juergen.
I've just logined to Diptera.info to tell that I have doubts in my ID of Cor's fly - it may be as well Pegomya testacea of Anthomyiidae - thorax seems too shining and A1 seems reaching wing margin.
In case of Juergen fly blackish tarsi get out Pegomya and my test it really looks as Ph.pallida. But I'm not ready to give positive ID...

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Kahis said one day that Pegomyia never have four post-sutural dc. So I think both are actually males Phaonia pallida.

Regards

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Many thanks, Nikita and Stephane!

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Thank you for your encouragement, Stephane. Today I'm working with Muscidae and Anthomyiidae collected in Kursk region and time from time I feel that I understand nothing at all anymore in this orange bastard One pleasure only - orange Lauxaniidae was given directly to Dr. Shatalkin
Nikita

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In addition I think the abdomen is too thick for Pegomya. So I would also join the chorus saying Ph. pallida. This species seems to be rather common in Hungary.

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Definitely Muscidae. There are some other all-yellow species. Thricops diaphanus comes to mind, but I think this one is not diaphanus.