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David writes,

Will this product kill biting gnats (no-see-ums)?

I saw on the label it said it will kill "biting gnats" but I just wanted to ask about the no-see-ums specifically. Does the chemical leave a residue behind that will also repel the gnats also or just kill it if they land on it?


Onslaught will kill no-see-ums, however as you hinted any gnat or flying insect will only die if they land on a treated surface and pick up the product on their bodies.  Unfortunately there is no product that will repel gnats or flying insects short of placing a huge net over the house.

Answer last updated on: 03/19/2011

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