Comment by yeahitslikethat

Deet is benign to humans. Lots of studies on it since it was invented to protect those building the Panama Canal.

You can also build bat houses. Bats feed almost exclusively on mosquitos. They eat more than their own body weight in them.

There is a great story behind this and I dug deep into the research and history dozens of links long but this might inspire you

https://en.m.wikipedia.org/wiki/Hygieostatic_Bat_Roost