Mosquito repellent

Inside? What about window screens? I live on a farm, in the woods. So ticks and all kinds of biters are around. I use available sprays for the yard twice a year but the skeeters still come out of the woods at night. A bat box helps (bats eat a ton of them), as do tablets in standing water (available at farm stores). I really like the idea of that Indian guy's trap and I might try that just for giggles outside in the garage. It's the CO2 they can see and come to. That's why the propane works. A friend has the propane system. Propane systems work, but only over time. And they can also act as attractants if you don't place them carefully - and you wlays have to keep tabs on the gas - and buy more.