I have gone round and round with fungus gnats, too! I mean they just come out of no where! I hate hanging those ugly sticky strips in the bathroom. I think I will try the h. peroxide that Careyana suggested. I also found this article that said to use vinegar. Has anyone besides Josephus used vinegar? It says to put some apple vinegar in a jar. Well at any rate, here is that link. It's worth a try.
http://evonhall.hubpages.com/h...