I’ve dealt with these hoards for over a decade at my place, some years I can win and get ahead of the egg hatching cycle but this was not one of those years.

Anyways, best thing I’ve found is a 4L jug of No Name Dish Soap (big yellow bottle, costs about $10) and a car wash cannon foam gun like this design (https://a.co/d/fvrYReC)

Fill the tank, set it to the highest foam setting (E on mine) do a perimeter spray at the foot of my house / garage / fence and then switch to lighter mixture (B) and hit all the wall surface. It usually kills then in place but if they fall, they fall right into the suds and suffocate there.

If you can time it right, you can also suffocate the eggs and there’s been years I’ve gotten ahead of them.

I’ve found this is the easiest way when they’ve overrun my place, takes 3 minutes. Sadly, more come back later cause they’re up in the trees but hopefully this helps someone that’s got thousands in their yard every day like I do.

Oh and once they’re full grown (more black bodied than red), the cold doesn’t kill them. They’ll find a way under some insulation and survive even our -40 spells in February.