Back when I was an NCO at the local Air Force base in Waco, TX, I was in the POL supply room, and reached around some stuff to grab another supply behind them. There was a scorpion waiting there in the dark, stung me on the fleshy end of my middle finger. Had to go the the base infirmary. They gave me a shot of something (don't remember what, that was 50 years ago). My finger and part of my hand swelled up for about a day, then subsided. The pain wasn't too bad, but after that I always looked before I reached into a dark space for something.
The base was John Connolly AFB, it closed in 1968. I was one of the last ones out of the gate. It is now the Waco TSTC airport.