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along the river La Seine, near Paris, France, may 21 2009.

am i rigth and is it possible to go to sp level ?

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another one but a different individual

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Almost certainly Anthomyia procellaris Rondani male. There is another Anthomyia species, bazini Seguy, which can only be separated by examination of the genitalia, but it is very rare and I do not think it is likely to occur near Paris

I looked up the typelocality, where Seguy's specimen came from, and it is Seine-et-Marne, so perhaps it is not impossible that it is bazini, but procellaris is very common and bazini is hardly ever found.

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Many thanks for your ID and the precisions that go with it !! :)

but i'm a little bit puzzled because Seine et Marne is just the neighbouring département from the place i've shot this fly ...

so it's really not far from this place ... few dozens of km

so what should i save about this fly's ID : Anthomyia procellaris/bazini, Anthomyia cf procellaris, ... ?

Thanks again !!

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If you want a definite ID you must catch a specimen and examine the genitalia.

It is 99% certain that it is A. procellaris which is very common, bazini was described 70 years ago and no further specimens have been recorded in northern France. It was found in Wales a few years ago, and otherwise in mountainous districts in Europe.

You can't record anthomyiids purely from a photograph.

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so i'll keep it as "A. procellaris 99%" ;-)

i know from this forum that Anthomyid are tricky all the more from only pictures info !!

thanks again Michael for your ID and the complete info about those spp ! ;)