Posted by Zeegers on 23-02-2020 19:39
#17
So, it is the male of Istochaeta cinerea.
On the wing from end of April till begin of June, hence my initial doubts.
It is a very rare species in central Europe, so excellent find !
All Istochaeta are parasitoids of Melolonthinae, Rhizotrogus, Amphimallon and so on.
Theo