I was talking to a guy yesterday and asked him - He is a guy that lives in the area - what was in the trees making a HUGE racket.

"Cicadas", he told me!

http://en.wikipedia.org/wiki/Cicada

These things are the noisiest things on the planet.

They stick up in the trees and make the loudest sound. It's starts off low and builds up for about 15-20 seconds then stops.

I laughed because I saw a news blurb about a man who was arrested for calling the police because the insects were making way too much noise near his home!