Katie from Liberty, Sc writes,
How long does it take for wasps to die after it has come in contact with a treated surface?
I know it's not an instant knock down. I sprayed around places they like to hang out this morning and I've seen a lot of them flying around this afternoon.
Demon WP Insecticide can take minutes to hours to kill an insect.
Answer last updated on: 05/16/2015