Posted by superpsih on 25-04-2017 21:47
#1
Location: Russian Federation, Saratov, June 2016.
Posted by treebeard on 28-04-2017 17:57
#3
Ch. vernale surely not - it would have to have black margin of the abdomen.
This one can be Chryrsotoxum elegans or Ch. verrali. However, maybe there are some other species in Russia.