Posted by Klaas on 20-12-2008 19:22
#1
5 July 2008, The Netherlands, Meppel, Dickninge.
On solitary Fagus sylvatica.
Id. of the species possible??
Klaas
Posted by Igor Grichanov on 21-12-2008 17:42
#3
Medetera truncorum Meigen, 1824 is more probable than Medetera jacula (Fallen, 1823)