That's a good idea too autox!make a vinegar trap, simply take a water bottle cut the top of and tape it mouth piece down into the bottle as to form a funnel tape the top to the bottom really good and then fill the bottom with a 1/4 to a 1/2 inch of apple cidre vinegar and ad a few drops of soap to break the surface tension that will deal with the adults works for fruit flys and fungus gnats