Posted by Klaas on 20-12-2008 19:34
#1
17 July 2008, The Netherlands, Meppel.
On solitairy Populus alba.
Id. of this species possible??
Klaas
Posted by Igor Grichanov on 21-12-2008 17:37
#3
20. Mesonotum longitudinally striped brownish ............................................. 21
– Mesonotum uniformly dusted greyish or whitish ......................................... 22
21. Face including clypeus entirely covered with greyish dusting; arista subapical;
anteroventral bristles at tip of hind femur longish; m-cu perpendicular
to longitudinal wing axis; 2.7-4.0...........................................jacula (Fallén)