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Nah, Ive uses a wasp spray (specifically made for the job, at any hardware store) , which unloads a veritable deluge of deadly liquid at the entry/exit points, several times over the years. NZ has had this problem for decades, what gets them angry, is pokeing the naked nest with a stick (done that as a kid in NZ, very painfull). Once the cracks in the bricks are drenced, they give up after a while and move on.
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