#1
St.-Peterburg, Lahta, lake coast
2008 12 september. Size 7-8 mm
Sorry for poor quality of image.
This is
Platycheirus podagratus?
#2
Well, it is a male Platycheirus, but there are a lot of species of which the most are very difficult to identify from a picture.
For that we should have a specimen, so the question is have you collected it?
Greetings,
Gerard