Works like magic! In the heat and humidity of Florida summers, the gnats can drive one insane. I had tried fly-tapes, but they don't work--they catch 'em, but they are SO messy (touch one with the elbow of a shirt, and by the time you've gotten loose, the shirt is ruined). Sprays don't work that well--they can't keep up with the gnats' reproductive rate--and you toxify everything else in the room. The Glowtrap is working great so far! There are 7 house flies in it right now! I’m so far pretty sa...