Deadly Pond 2

I just back from an 8 day cruise to find my backyard pool was a green squirming mess. I then went about killing the millions of mosquito larvae (and I really don't think I am exaggerating here) that were growing and came up with this idea and found it was not completely original (see link), but my method is a bit different.

Wikipedia mentions a minimum 5 day growing cycle, so all we need to do is kill them every 3 days.

So start with a nice sized (the bigger the better) double pan of water and algae. What I mean is a top pan which is exposed to air with a filtered connection to a lower pan. Mount a small solar cell that charges a battery or super cap which powers a small electric motor triggered by a clock chip. Every three days the electric motor slowly pulls a fine screen belt which generally lies across the bottom of the pool and also wraps around the bottom of the pan into the lower pan. The screen/belt has two paddles located at opposite “ends” of the belt which seal access to the lower pan of water. When the screen/belt moves, the screen is pulled off the bottom of the pan and the paddles cause all the water to flow thru the screen. The intermediate sized larvae will be pulled from the top pan and brought to the bottom pan where they will drown. The smallest of larvae will pass thru the screen to prove to other passing mosquitoes, what a fine place this is to lay their eggs. The rotting bodies of the larger larvae in the lower pan will feed the algae.