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The number of dorsocentrals is not always a reliable character in Egle. Other species sometimes also can have an small extra dorsocentral hair.
To be sure if this fly belongs to the Egle brevicornis species group we have to look if the notopleuron has more then 3 accessory setulae and if there is an apical pd seta on the hindtibia.
This is not good visible on the photo.
I would keep it just ...Egle species.

Johanna