I have one tomato plant(Purple Prince I think) that I have in a big pot by the back porch and I have discovered tomato hornworms on. I have some "dust"(can't remember the name right now) that will get rid of them, but have been hand picking them off and thought- "Those buggars have a nasty looking 'stinger' on their butts.... do they actually sting??"
So.... Do they sting or not?? Inquiring minds(mine anyway) want to know