DLC wrote:
You probably have yellow jackets rather than bees. These critters all
die over the winter, except for a queen that has probably flown on to a
new spot. Poisoning the nest now won't do much good.

http://hgic.clemson.edu/factsheets/HGIC2510.htm has a nice article.




Um, your own link recommends poisoning them with Sevin.