I have never had a problem with houseplants ever, until last year. That's when I started to notice these pesky flea-like creatures zooming around my head. I noticed the leaves from my plants were turning yellow and falling off in great numbers. I checked it out, and noticed some webbing so I did everything I could to save them. I put them in the shower and sprayed the leaves, I submerged the soil in water in hopes to drown any eggs, and I added dish detergent dilluted in water. Finally, I decided to repot everything. Shoo! Sorry, one is flying in front of my screen now! Okay so I remove old soil, wash the roots carefully, wash all the pots and added new potting soil (and not the cheap stuff). Ah... just when I thought it was all over, they're back! Bewildered because I thought I took care of the problem, I checked each plant by shifting the soil around. And lo and behold, there they are hiding in the soil of one of my plants that I've had since it was a baby and is now about 8 ft high. I declared war and put a shallow dish of apple cider vinegar and put a sticky tape all around the soil to trap them. A couple of days later there were a lot of casualties in the apple cider vinegar; they love it. However, it has not solved the problem. In another post someone said to pour boiling water in the drains. I think they are on to something because I have seen a few hanging around the bathroom. I noticed something else too. A couple of years ago, I hung a fly trap in the basement because I thought I had a fly problem. I didn't but what I did see a year later was that this sticky tape was covered with those little fleas. It looks like they were/are in the basement. Are they coming from the sewer? Drains? How can I get rid of them for good before I have to get rid of my beautiful plant. I don't want to lose this war but I am getting weary!