Every year at Lake Metigoshe there is a hatch of white flies in the late spring. It has been going on for the last 2 weeks, but they have almost run their course. Here is a pic of what they look like. I've looked some on the internet but cannot find a match. Anyone know what they are?

Why is the image so small? On my computer it is larger than the screen of my 17" laptop!

Why is the image so small? On my computer it is larger than the screen of my 17" laptop!