Ouch. That's truly scary. I'd have a heart attack if I walked into my grow room and saw that. Could be way worse though. At least you have others to hold ya over. Likely I'd be outside standing guard with a fly swatter and a can of bug spray.

Is this a problem every spring/summer?

If she's giving nanners and the nanners dump viable pollen, the seeds would be female. With the stress she's going through, I wouldn't be surprised. A re-veg comes back nanner-free if genetics were sound to begin with.