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Body 4-5 mm. Is it possible to tell genus and spieces of this 3 different flies?
I think 2 are Lypha dubia but what about the one with much broader vertex and more yellovish calypter?

Photo from 9 May 2020 Skällsjön 62 N, E 17 Ångermanland, Sweden.

Thanks for your help in advance

Regards
Kurt Holmqvist

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another

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This one looking different

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Please, do not post several specimens in one thread. It always get confusing, in the end.
So yes, the second one is male Lypha dubia, the first one looks like the female and the third one is something different, like Cyzenis.

Theo

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Thanks for your answer Theo
I will make separate threads in future
Kurt Holmqvist