Halls of the Dark Muse

Last night I am getting ready to go to bed when I notice that there is a black widow hanging out on the windowsill (and my bed is right up against the window) so went to find a container in which I could try and catch it with and take it out when by the time I got back it was already disappearing into a little crevice between the wall and the window pane where I could not reach it.

Stood there a moment not really sure what to do about that, so I tried turning out the lights and leaving ...