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Not sure about this :o - in the UK at least, C. flaveolata has clear wings, and your photo appears to show a blackish patch towards the end of the wing. In Alan Stubbs' UK key this would mean it must be C. ornata, and would rule out C. flaveolata, so there seems to be some conflict in the keys.

I've only ever seen males of both flaveolata and ornata, so can't comment on how good a match your female is. Also, C. festiva is not in the UK (we have only three species of Ctenophora :(), so you'll need advice from others.

Look forward to hearing what others think!

Martin