Wishing you luck with the predators..
I had thrips twice last year, each time i brought home a new load of medium. Dr Zymes sprayed would knock them down but not eradicate them, but i picked up ladybugs.. both times they took them out. Following your attempt..
Lady birds will be the reserved infantry for the last stand. They are amazing they eat everything so I'm going to give the other beasties a chance first before I sacrifice them to a lady bird hord
I had be wondering exactly how they ma have got in. So this round I've bought no imports into thd GR like worm castings just incase that was their possible way in.
My issue is I have up to 4 spaces running at different times. If I wanted to spray I normally can't spay a couple of those space due being in flower.
Im in a bit of a vicious circle I eradicate in one space for them to be dug in deep in another.
This war has been timed right I'm down to 2 spaces worth of plants at the moment so it's a full on attack over the next 2 weeks.
I've stop using spinosade and pesticides they just burn most of the plants and stunt them. I've had no luck with spraying they just come back with reinforcement a month later.