I am hoping to get this community's ideas on the most humane way to kill bugs. In particular, I have invasive Japanese beetles in my garden that I was first fre

I am hoping to get this community's ideas on the most humane way to kill bugs. In particular, I have invasive Japanese beetles in my garden that I was first freezing, then I started crushing as quickly and thoroughly as possible. I worry that I am still causing unneeded suffering, though.