...and I panicked... a little...
Based on the fact that a wasp really flew into the office and my collegue abandoned me at the great danger, and I had to face it alone.
And I told the world, that either the wasp goes out of the window, or me.
And jackcrow told me via twitter that WD40 and a lighter is the solution :D
(after all, I showed the wasp out of the room with a paper and she decided to leave us both unharmed)