Summer is coming around the corner. And that means that wasps will start forming a coloney under my patio like ever year. I've tried raid, putting rocks in front of the hole, I've sprayed house hold cleaners there thinking it would kill them, I've even sat there all day with a bug zapper killing them all.
How can I keep them away!?!?
Have you tried screening the bottom of your porch in too? Rocks are easy enough for wasps to navigate through, so I think you're wasting your time there--as well as wasting perfectly good household cleaners. You need to find where they are getting in and out and plug those holes for good. You may also want to try using a barrier treatment, like a permethrin-based dust or solution to be sprayed around the sides of your porch. Dusting with boric acid (20 Mule Borax) might help too, but both of these solutions require reapplication on a regular basis because they break down rather quickly when exposed to sunlight and weather.
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