#1
Moscow, park, 27 june, 12mm. Collected.
I badly need help of Asilidae expert.
According Diptera of European Part of Russia it is D. linearis.
According British Soldierflies... it is D. rufipes.
#2
Will, I do not know if it will help you, but I think it is
D. hyalipennis. No spots on naterior margin of tergites; mesonotum largely dusted and hind femur and tibia at least partly darkened.
#4
Paul, I compared with Moscow Zoology Musem Dioctrias. Difficult genus!
As far as I could understand, you are right, D. hyalipennis.
Nikita