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post #21 of 22 Old 11-21-2012
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Re: Wasp in Mast/Sail

Originally Posted by svHyLyte View Post
We had a similar problem this past summer with paper wasps taking up residence in our mast, reaching strut, life-sling storage bag and under our sail cover between weekends. Based upon some research, I made up a mix consisting of two cups of water, a cap full of liquid dish soap and a couple of tablespoons of Oil of Mint (Oil of Pepper can also be used but I could not find any at our local markets). Mixed and placed in a spray bottle, after cleaning out the nests we could find/reach, we sprayed this into the openings on the mast we could reach and the other items listed. By the following weekend, the critters were all but gone. I have continued applications from time-to-time and the critters have not reappeared.


Hmmm.... a man overboard situation and you find a wasps nest in the Life Sling. Now THAT would suck!

Casey, nice thinking on the painters tape. I had assumed they were going in through the top when you said halyard outlets but if they're not, then sealing up the holes sounds like a good idea to me! Just watch and see if they're eating through your barriers. They're good at that.....


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post #22 of 22 Old 11-26-2012 Thread Starter
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Re: Wasp in Mast/Sail

Went down to the boat yesterday. No wasp in the mast or boom (tape still intact). But noticed two wasp flew out of the sail cover. Found 8 wasp sitting on the boom. I can still smell the moth balls and seems the vapor has made the wasp "drunk". They were not agressive at all. Had some wasp spray and hit just the wasp and killed them. Did not find any nest in the sail. Took boat out and found no wasps, nor were they coming out of mast or following the boat.

Hope that is the end. The moth balls do seem to help keep them out of boom and mast. Might be a good practice if your boat will be on the hard for a while.

Thanks for the advice.
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