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So far, this was nomenclature (and therefore, hardly of interest).

The matter whether Euritihia and so on should be lumped into Ernestia/Panzeria, is a matter with content and therefore of a totally different nature.
Several views exist, for instance Zimin had a different approach than western authors.
It seems clear (at the moment) that some groups like Appendicia are monophyletic (but this is just a hunch). Whether or not they should be considered full genera, is also partly a matter of taste (where to draw the line ?)


From a practical point of view, I'm not too eager on very large genera (but you can live with them, like Cheilosia)
, nor too small, for that matter

Theo