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Many thanks Chris and Theo.
I suspect my specimen failed at couplet 243 because my specimen shows a very short r5 petiole. taking the second option it runs easily to Clairvilla.

There seem to be only 2 European species of which only Clairvillia pninae is recorded from Mallorca. This tread

http://www.dipter...pid=101721

suggests pinnae has cell r4+5 cell closed at the border of the wing and yellow palpus (but it is female being discussed).

Are these features good for male, any other way to separate them?