Steven writes
if a fly perch on a sprayed surface that has been treated or sprayed with demon wp,how long will it take for the fly to die?
Depending on the size and health of the fly and the amount of Demon WP it contacts, it generally would take anywhere from a few minutes to several hours for an insect like a fly to die after contacting an area treated with Demon WP. For a very quick kill for flying insects, we recommend Maxforce Fly Spot Bait or Alpine Pressurized Fly Bait.
Answer last updated on: 03/25/2018