#2
Seems to be an Eutolmus sp. i think only E. rufibarbis has an ovipositor in that particular shape.
http://fotki.yandex.ru/users/gansucha/view/836625/?page=0#preview Interesting picture: This could wel be Machimus cowini! I can't read Russian so maybe you had come to that conclusion.
#3
Thank you, Reinoud
For me they while all on one person, much similar.
But that picture - a first photo, then did not yet define.The Commentary pertain to most photographies only, but not to determination of the type.