The key to yellowjackets' survival is their queen. Just like bees. Spraying insecticide around and killing a few workers really does nothing - you have to eliminate the queen. These insects also become more defensive with the lowering angle of the sun in the late summer and fall.
How big is your "deck box"? Will it fit inside a garbage bag?
My suggestion is to wait until after dark and then carefully (minimizing vibration), isolate the nest inside a heavy duty garbage bag. After dark, the workers should all be back inside the hive. It would not surprise me if these critters could chew through a plastic bag, in time. If you can, slap a piece of duct tape over the hive entrance.
With the box and nest isolated, you can move it to a 'safe' place to deal with it. If you can place it in the sun, a couple of days there should exterminate everything inside.
For ground nests, I dump a half-gallon of used motor oil down the hole and then cover it with a thick layer of soil.
-Paul
How big is your "deck box"? Will it fit inside a garbage bag?
My suggestion is to wait until after dark and then carefully (minimizing vibration), isolate the nest inside a heavy duty garbage bag. After dark, the workers should all be back inside the hive. It would not surprise me if these critters could chew through a plastic bag, in time. If you can, slap a piece of duct tape over the hive entrance.
With the box and nest isolated, you can move it to a 'safe' place to deal with it. If you can place it in the sun, a couple of days there should exterminate everything inside.
For ground nests, I dump a half-gallon of used motor oil down the hole and then cover it with a thick layer of soil.
-Paul