Mosquito "trap" blows bugs away

Just read, "Mosquito 'trap' blows bugs away" in Farm Show, Vol 34, No 5, 2010. This guy put a fan in the wall of his screened porch, about 6 ft from the floor, air blowing outside, wired a lamp socket with a fluorescent bulb in front of the fan, and mounted a photocell for the outside of the building. The photocell triggers the trap to turn on from dusk to dawn (which also gives him a light at night), mosquitoes come to the light, and the force of the fan blows them out.

Brilliant!

Except mosquitoes are not attracted to light but rather carbon dioxide. Now you will get lots of them through the fan if you happen to be out there but the light does nothing for the mosquitoes. Other bugs however will come to the light and be sucked through the fan.

Good to know, thanks.