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Apr 19, 2017 7:00 PM CST
|I have been having a problem with I think they are fungus gnats, they are outside and inside my home for the past 2 months. I am getting at least 50 a day. I have treated the front and back lawns, used a fungus killer around the perimeter of the house, set up 3 different fly traps outside, and hung about a dozen 5x7 yellow sticky paper to catch them but some catch and most dont. I swat away all day, I cant find the source of where they are coming from
I have tried vinegar solution with dish soap. I have even tried bleach down the sink if they are drain gnats...no help
I stopped watering indoor and outdoor plants for 2 weeks but they still keep coming.
Apr 19, 2017 7:39 PM CST
|If they are fungus gnats then they live for at least some of their life cycle in the soil. Sticky paper and fly traps will be most effective when they are placed close to the surface of the soil, presumably your potted plants, wherever you are watering regularly. Maybe where you keep your baby seedlings?
By observing where the sticky paper is most effective, you will be able to figure out where they are taking up residence in the soil, and concentrate your efforts there. In my experience the sticky paper solves the problem mostly, if not entirely, but you have to be patient for it to do its work, and observant so you employ it most effectively. Remember that only the flying adults are trapped by the adhesive.
More info here.
The thread "gnats/indoor potted plants/ can i change the soil??" in Ask a Question forum
Apr 19, 2017 8:52 PM CST
|It says on the label that Mosquito Bits (a natural deterrent available at the big box stores) are effective at killing fungus gnat larvae in soil. You just need to spread them on the soil surface, and they will kill the larvae in the soil as you water.
If you have Mosquito Dunks, you can just crumble them up and use the same way.
"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
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