walshie Posted July 21, 2019 Report Share Posted July 21, 2019 We have hollow cast iron pillars holding up our side porch. One of them has a small hole near the top, about big enough to stick my little finger into, and there are a lot of wasps going in and out, so I assume they have made a nest in the pillar. My idea is to wait till after dark when they are less active and fill it with expanding foam. Pros and cons please. Quote Link to comment Share on other sites More sharing options...
GingerCat Posted July 21, 2019 Report Share Posted July 21, 2019 Ant killer in the hole and then plug it. Quote Link to comment Share on other sites More sharing options...
panoma1 Posted July 21, 2019 Report Share Posted July 21, 2019 Just get a residual insecticide and spray in and around the hole after dark....keep doing it on following nights until no more wasps enter or exit! Quote Link to comment Share on other sites More sharing options...
Jaggsy Posted July 21, 2019 Report Share Posted July 21, 2019 Be careful they will pile out (even after dark) do not plug the hole the returning wasps will just mill around with nowhere to go. Quote Link to comment Share on other sites More sharing options...
Walker570 Posted July 21, 2019 Report Share Posted July 21, 2019 Had a similar situation and did just as you suggest. I sprayed wasp killer in the hole... half a can probably. Next day only few showing an gave them a quick squirt as well. Job done. Then seal it off. Quote Link to comment Share on other sites More sharing options...
figgy Posted July 21, 2019 Report Share Posted July 21, 2019 Ant powder or crawling insect powder, when it sticks round the hole they carry it with them killing more if them. Diotomacous earth works very well and does not contain any chemicals. Quote Link to comment Share on other sites More sharing options...
walshie Posted July 21, 2019 Author Report Share Posted July 21, 2019 I don't think it's a very big nest, so I'll give them half a can of raid, followed by some decent crawling insect powder round the hole and a bit of bluetack over it tonight to let the raid do its stuff. Quote Link to comment Share on other sites More sharing options...
panoma1 Posted July 21, 2019 Report Share Posted July 21, 2019 1 minute ago, walshie said: I don't think it's a very big nest, so I'll give them half a can of raid, followed by some decent crawling insect powder round the hole and a bit of bluetack over it tonight to let the raid do its stuff. Be careful blocking the hole, they may find another point to exit!.......Into the room! A residual insect spray or powder will contaminate the nest if you leave them free to enter and exit, as well as kill the wasps....so should do the job! Block the hole when there is no more activity. Quote Link to comment Share on other sites More sharing options...
Benthejockey Posted July 21, 2019 Report Share Posted July 21, 2019 Pour petrol in and fill the pillar until it runs out the top then light. No more wasps. Or pillar. Or possibly house. Probably any killer is better but petrol is so much more fun 😂😂 Quote Link to comment Share on other sites More sharing options...
Old farrier Posted July 21, 2019 Report Share Posted July 21, 2019 38 minutes ago, Benthejockey said: Pour petrol in and fill the pillar until it runs out the top then light. No more wasps. Or pillar. Or possibly house. Probably any killer is better but petrol is so much more fun 😂😂 This is the best option ^^^^😂 or a blow torch and warm them up a bit 🤭 however my personal preference would be a small caliber shotgun and shoot them one at a time 🙄😊 obviously posting pictures of the slain on packmans web page 😂 Quote Link to comment Share on other sites More sharing options...
Kalahari Posted July 21, 2019 Report Share Posted July 21, 2019 Didn't one of our famous makers make a tiny shotgun for shooting moths for one of the Kings? Perhaps you could borrow it from the royal collection. David. Quote Link to comment Share on other sites More sharing options...
Walker570 Posted July 21, 2019 Report Share Posted July 21, 2019 2 hours ago, Old farrier said: This is the best option ^^^^😂 or a blow torch and warm them up a bit 🤭 however my personal preference would be a small caliber shotgun and shoot them one at a time 🙄😊 obviously posting pictures of the slain on packmans web page 😂 It is great fun. When staying with friends in Texas I had an evening on the porch with his two sons and a low pressure pump air gun..no sights... points for a hit on any insect which may bite or sting. Black widows counted 10 if I remember. I know a scorpion was one victim. Just give the hole a real good squirt of Raid or similar, should do the job. If in doubt I can come across with my 17HMR Quote Link to comment Share on other sites More sharing options...
walshie Posted July 23, 2019 Author Report Share Posted July 23, 2019 Cheers for the advice. Late last night I went up the steps, headtorch on and Raid in hand, to see a sentry wasp standing on the hole staring at me. I emptied what was left of our can of Raid into his face and kept spraying till the can was almost empty. I expected a load of wasps to come flying out, but they didn't. A liberal sprinkling of insect powder in and around the hole and a hasty retreat. Today - nothing. Could it really have been that easy? Quote Link to comment Share on other sites More sharing options...
figgy Posted July 23, 2019 Report Share Posted July 23, 2019 Annoy them and get a bug o salt with course grain salt in it.. Bit of driven wasp shooting with pain at stake if you miss. Quote Link to comment Share on other sites More sharing options...
panoma1 Posted July 23, 2019 Report Share Posted July 23, 2019 1 hour ago, walshie said: Cheers for the advice. Late last night I went up the steps, headtorch on and Raid in hand, to see a sentry wasp standing on the hole staring at me. I emptied what was left of our can of Raid into his face and kept spraying till the can was almost empty. I expected a load of wasps to come flying out, but they didn't. A liberal sprinkling of insect powder in and around the hole and a hasty retreat. Today - nothing. Could it really have been that easy? Raid does have an instant knockdown effect, when sprayed directly into the nest. It probably has a residual effect too? Whatever It will contaminate the nest and those wasps in it.....the residual insecticide powder will mop up any going in and out of the hole! The nest probably isnt that big just now, with not too many wasps in residence, it would be bigger and more active in the autumn......so destroying it could be quite quick?...just keep your eye on it for any activity. Quote Link to comment Share on other sites More sharing options...
Muddy Funker Posted July 26, 2019 Report Share Posted July 26, 2019 It really is that easy yes. Saw loads going under a roof slate by dormer window the other day. Waited till evening, squirted a load of wasp powder into gap. Next day, no more wasps 👍🏻 Quote Link to comment Share on other sites More sharing options...
strimmer_13 Posted July 26, 2019 Report Share Posted July 26, 2019 Drill a hole at the bottom and stick the hover on it, see how many you got 😅 Quote Link to comment Share on other sites More sharing options...
washerboy Posted July 27, 2019 Report Share Posted July 27, 2019 Have a look at the end section of this video for a home made trap Quote Link to comment Share on other sites More sharing options...
39TDS Posted July 27, 2019 Report Share Posted July 27, 2019 Does that guy not know dead wasps can still sting? Nippon Wasps Nest Destroyer is very good. Comes out of the can like silly string and you can get the nest from about 10' away. Completely dead within hours. In past years I have strong suspicions that a nest killed late in the season can still hatch queens. Quote Link to comment Share on other sites More sharing options...
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