How does wasp and hornet killer spray work?

Question

i.e. Raid, etc

In: 14

Answer 1

Wasp sprays use chemicals known as pyrethroids and pyrethrins, both of which cause catastrophic damage to the wasp’s nervous system on contact, paralyzing them and then killing them. This is why a wasp will drop out of the air instantly after being sprayed.

Src: a quick google search