this post was submitted on 16 May 2026
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Houseplants
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I've tried a lot of methods. I haven't eliminated them but they are no longer a nuisance.
Hydrogen peroxide 1:4 in water will kill the larvae in the soil. Unfortunately, it also kills some plants like parsley, thyme, oregano.
I add some pea gravel, sand, other grit to the surface of the soil when I bring my plants indoors. That seems to help deter them.
I see the most results with sticky yellow paper traps you can get off Amazon. They're cheap, effective and one sheet will last about 4ish months. Helps keep the numbers of adults down.
Probably worth mentioning the concentration of the H2O2! 3%, I guess?