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1. I think this is B. maculipennis, a species that is quite regular, but local in my surrounding.

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Another shot of the first animal.

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Animal 2. Looks slightly different from animal 1.

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Another shot of the second animal.

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Yet antohr shot of the second animal. Also B.maculipennis?

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I don't know this species. You seem to know better
But if it is correct, these pics are a great addition to the gallery, I'd say

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B. maculipennis has a distinct spots on the wings...
See here http://forum.inse...374d999a57

Lukasz

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These images show clearly B. maculipennis, which I observed from 2006-2008. The first individual was photographed at the same location where I usually find B. maculipennis and I made the identification based on my earlier observations. Those flies were than identified by Dieter.

It is interesting that for the first time i observe a different B. species at the same spot. This photographed fly clearly does not have the spots on the wing, the crossvein is darkened and that is it for wing ornamentation.

I have to collect some of these next year and key them out.

Thanks for the correction.