Someone mentioned funnel traps:
http://hubpages.com/hub/Home_made_Mosquito_Trap This would me more elegant, in my humble opinion, using flour and
sourdough starter rather than sugar and active dry yeast. As the instructions mention, it works by emitting
CO2 (I think moisture helps, too),
should draw other biting insects. And having dead insects in it will eventually attract carrion seekers.
A bat box might also be worth considering, if there's a species that would do well there.
"the qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of the laws of nature, free to all men and reserved exclusively to none." SCOTUS, Funk Bros. Seed Co. v. Kale Inoculant Co.