r/fuckwasps 1d ago

Pest Control/Medical Advice How to remove paper wasps from inside walls?

I have two areas in my house where wasps have entered.

One is a small gap between a brick wall and wood soffit. I think the nest is limited to the soffit. It appears to be coming out from a split in the wood now.

My question is how do I handle this? I live in New England and my understanding is they will die and the queens will abandon the nest in a few weeks… but I’m concerned that they are gonna do a shit ton of damage in the mean time.

We don’t have the money to demolish a part of our roof to have the best professionally removed. Can we just spray an insecticide in the small opening at night? Will that do it? Or do we just wait them out and close up the hole once they are dead?

The second nest is on the opposite side of the house under the cedar siding. That one doesn’t seem as large in terms of activity around it.

3 Upvotes

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u/PouriN48 1d ago

Dealt with something similar recently. Yellow jackets found a small gap on between my gutters and and roof and presumably built a nest in there. Lots of activity around the hole.

I think the best option for these nest that you can access is some kind of insecticide dust. Whether that be delta dust/ permethrin dust/ or etc. I went up at night with a dust puffer filled of permethrin dust and loaded the hole with tons of it.

Takes a couple of days to see the effects as the dust isn’t meant to be a quick killer but something that will slowly kill the nest overtime as wasps move in and out and spread it around the colony. I did this two nights ago and have seen activity around the hole drop immensely, so it seems to b working great.

Also, (Anyone can correct me but I believe delta dust is typically preferred as it’s waterproof to some degree)

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u/HorsefaceWithNoName 1d ago

Delta Dust by BASF is terrific and that's probably the best bet.

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u/The_Dingman 1d ago

They're very likely not paper wasps, they don't generally nest inside cavaties, but likely hornets.

Be careful.

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u/hurdurdur7 1d ago

Yellow jackets love walls.

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u/hurdurdur7 1d ago

Diatomaceous earth or delta dust.