You can place a mosquito trap anywhere outdoors including your backyard as long as you pick a suitable one. UV, CO2, H2O and heat mosquito traps are considered to be universal ones, as many of them have enough models for both outdoor and indoor use. Propane traps, however can only be used outside due to their peculiar functioning. Still, they use the most types of bait as they attract mosquitoes with CO2, water, heat, light and an aroma attractant can be additionally used. That is why they are considered to be the most effective ones for outdoor use. If you haven’t decided which you trap you need, read our review of the best mosquito traps and pick the one that will save your house and backyard from mosquitoes.