When I had my pesticides license I would use Lannate (Methomyl) before bloom. That stuff would kill everything and its mother.
I may risk being sought ut by NSA or some other idiot...but when I was going through my dads stuff, I found his stash of DDT...smart man he was, to save some....”just in case”!!
It’s also a Carbamate by DuPont, and we used it too, for certain applications, but is fatal to humans and dogs. I had syringes with atropine antidote, just in case, until we could get anyone affected, to a nearby hospital’s ER. Very highly restricted and limited use, and you’re right that it kills EVERYTHING.