This is a How To Video for removing Yellow Jackets or wasps using a Shop Vac. No chemicals are used other than a little dish soap in the Sho Vac.

(Update 2014: Here is a picture of this year's haul of Yellow Jackets)

https://app.box.com/s/lk89ivisxtcewka...

That shopvac is a fairly large one. Maybe 16 or 18 inches across.