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Hello,

I observed this Bibio on the 13th of April in the north of France. I hesitate between Bibio anglicus and marci, I think of Bibio anglicus, do you have criteria to easily differentiate them ?

Cordially Maxime

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Anglicus is half the size of marci and the wing venations differs.
I don’t expect the first anglicus before april 20th.
This looks like marci.

Theo

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Great, thank you very much for your help