Insectivorous Fan

This is a fan I built to move the air around my potted plants, which have been supporting a burgeoning population of thrips, whiteflies, aphids, or some other tiny winged pests. Much like some of the larger non-chemical insect traps out there, this moves air through a mesh screen (from a 2.5" diameter mesh tea ball) that traps the insects in a breeze they can't fly free from. Then, if they stay there long enough, they die.
The bottom base pops off to allow you to empty the fan of their littl