. 3 days a nice group of yellow jackets have made a nest under my deck boards.. My problem is how do I get rid of the nest if i can't see it.
In the spring when the nest is just forming, apply a pesticide designed specifically for yellowjackets directly to the nest. Wear protective clothing and spray the nest in the evening when they are less active. Repeat until there is no activity seen around the nest then remove using a garbage bag.
I have a very big deck at my home and these guys love to build nests under every chunk of decking and all the rails. Usually I get the bee spray from HD that .
Learn the proper way to get rid of yellow jackets and keep them away.. or heavy ground coverings where yellow jackets are active but the exact nest location is .