The nastiest is usually the cockroaches. The bugs and rats don't bother me so much anymore. Its the conditions of the place with the infestation that get to me. How can a business operate with cockroaches so bad that they fall into the soup, or run across the delivery window and peoples food???
Ugh. We had bees infest our chimney in the living room. Hundreds of pounds oh honey and thousands of decaying bee carcasses inbetween the wall. When we turned the fireplace on it would melt the wax and honey would drip onto the hearth.
I love honey, I would have licked and scooped it off the hearth
Couldn't use the honey, it was tainted from the fumigation. When we took the drywall off, honey got flung ALL over the living room. Had to redo the carpet, couches, fireplace, etc. Was a huge mess, wish we'd taken pictures.