Make sure it smells like lighter fluid. They have some new enviro friendly foam spray now that don’t always kill them.

Dawn and Water in a big cup is all I use.. cheap and they fall right to the ground.

Good stuff and reasonably priced. Just be prepared to stand your ground and soak them good. It will get them pretty quick. I have cans all over the yard by the pool where I can get to it fast.

I use it. Works well for me.

Deed is done, gdr_11 review was on point. Glad I dressed for the occasion with netted headgear, thick jacket, and heavy gloves. Made a couple of practice blasts in yard to see what kind of pattern I would be putting out there. Looked pretty good with plenty of pressure from less than 10 feet. I hit them with a steady stream and it took forever for them to start falling to the ground. A couple fly away unfazed that may have been on the underside of hive. I've got half of the can out in just a matter of seconds. The ones that finally fall to ground are now marching towards me as I'm blasting away. It was a little nerve wracking. The two that get away come back pizzed and are buzzing around as I'm trying to knock them out of the sky. One down, one to go and running out of ammo fast. Finally get it to fall out of the air as I run out and have to stomp it to make sure it doesn't take flight. Two to three minutes after all is done, some of them are still moving around on porch... afraid to wash them off porch in fear they'll come back to life. Wait around a few more minutes, wash them off, all is good.

The best thing is a shotgun with an improved cylinder, and some.#9 shot. It takes a little practice to get the distance down without damaging your roof though.

Wait until dark then spray away.

Works every time

Same with me. Spectracude just does not have the knockdown power of other spray. The best stuff I have found is Invader insecticide made by FMC corporation. Got it at a professional exterminator that sells to the public. Knocks them out on contact.

The larva is the best bream bait you can find.
as kids on the farm at grandpa's we'd get about a half of a coffee can of tractor gas
and throw it on the nest,...the gas melts their wings, and the fumes chokes em out in
a couple seconds,...big red wasps sting the worst of all.

Go to a electric wholesale supply and get the stuff pros use. Instant as in they just drop in their tracks.

That stuff works great,as long as you have several cans. This is so you can drown them,as it is about the only way I have gotten it to work

Update... have eight of those f ers flying around trying to land back on nest. They must have been out of town when I did the deed.

That’s why I said wait until dark.

I’d empty the can into that sucker. There’s probably a couple deep inside still kickin. And if you saturate the hive, the ones that were out of town might get enough exposure to eventually keel over.

Go ahead and make sure you have another couple of cans for a potential wasp relocation hive maneuver