Just be careful not to blind yourself. Even a narrow flashlight cone could be enough for you to find and kill the bug by hand.
Link to a previous post about this mosquito turret concept: https://news.ycombinator.com/item?id=27552516
Link to a previous post about this mosquito turret concept: https://news.ycombinator.com/item?id=27552516
My cat would serve a similar role for larger insects. Her eyes would track them for me so I could locate and destroy them. Unfortunately she either cannot, or more likely chooses not to, track mosquitos.