Quote:
Originally Posted by kilroyscarnival
Well, I went at the area around the bird-of-paradise with (first) Dawn detergent mix in a hose-end sprayer bottle, then Dawn-detergent mix in a sprayer tank.
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I always spray them at night, after the colony has bedded down. Locate the nest entrance during the day, but since many wasps are out foraging at that time resist the urge to spray since it is possible you'll get stung by returning wasps. At night they are all in the nest, and typically far less aggressive. Put your sprayer head into the nest entrance and give them a really good dousing with your soap mix - a couple of litres is good. If you saturate everything during your first attempt you'll get the entire colony, otherwise it will take you multiple tries.