The price floor should be $0.00! There must be people in a delusional bubble far away from me who are excited about this “art”… or just a bunch of wash trading.
Gosh, I sure hope they don’t find anything untoward…
If you can buy them as larva you might have a better chance of them sticking around. They don’t have wings but still love eating aphids and other little pests.
I should re-read that. I loved it when I read it almost 20 years ago.