[Roxy]

So, ant powder will kill wasps?  I really don't care what its for, so long as I  can rid the wasps!!

[doganjo]

I got it froma website - googled -

After identifying the air vent as their entrance, I bought the most expensive wasp killer I could find in the shops but to my dismay, it just made them crazier and rushing from the choking fumes to other rooms in my home. Within a week, the numbers were increasing, I was scared to use the bathroom and tired of the swatting, ducking and diving. Even worse, I knew I couldn’t afford to call out the pest controllers on my low budget. Then remembering a friends past comment on ant powder killing wasps, I squashed some powder in the vent in my bathroom. The wasps didn’t dissappear but the ones I were finding were now dead or half way there.Viewing the vent connecting to the bathroom from the outside of the house, I could see these wasps diving in the holes (friends, aunties, uncles, cousins, the whole chibang!). Pushing my fear of heights to the back off my mind in order to win my battle with the little buzzers, I threw a quarter of the tub of ant powder down the outside vent, and watched in triumphant glee (from a distance of course!) as they buzzed off, suffocating in powder.
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That was three weeks ago and I can honestly say, there’s been no more buzzing activity from my bathroom air vent. Better still, I solved the problem with a 99p tub of ant powder. So people please think of ant powder as a pocket saving and effective alternative to picking up that phone to dial a pest controller that can cost from £50.00 upwards in my hometown.

Read more: http://gomestic.com/home/how-to-kill-a-wasp-nest-quickly-effectively-and-cheaply/#ixzz0tEM9AKrm

[hexhammeasure]

good old fly spray, ant killer, proprietory wasp killer from a good garden center they all workas does creosote. patience is the key wait til dusk or very early in the morning and spray the nest with what you have then walk (run) away. respray the next day if there are any lingerers.

I do maybe 10 a year but only if they are in an area we are likely to disturb. we have loads of hedging and outbuildings. once we had an old diahatsu soft top which was left standing in the summer when we finally moved it it had a massive nest in the back seat probably the size of a 5 yr old child. we left it til the winter before we cleared that one out. Another occaision I was clearing some shrubs, after trimming the branches I was hauling them to the bonfire dangling the 10ft long branch over my shoulder when I suddenly heard a loud buzzing... looking round I saw a wasp nest melon sized attached to the branch.... that branch didn't travel much further that day. It was empty the next day