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Ah, my mistake, you wrote “ behind eyes “

The key is misleding to put it mildly.
And it does not mention the highly characteristic narrow alula for
maculicornis

I would never write a key like this :)


https://jeugdbondsuitgeverij.nl/product/de-vliegenfamilies-met-drie-voetkussentjes/

english translation available later this year !

Theo