Thread subject:
Diptera.info :: Thereva cf. fulva
Posted by Zeegers on 13-07-2016 12:18
#10
yes, the callus is intermediate.
Van der Goot, as one of the few, mentions nobilitata with yellow tergites 2-3.
So this obviously is an - often ignored - pitfall.
Hence, I will not call this one
Theo