unknown bug

["richpeet" <>]

In the town I grew up in southern Wisconsin their is a bug that has 
become common and in great numbers within some neighborhoods in late 
summer.  It was not around at all as I grew up.  I do not know if it 
has just expanded its range or is an import.

I keep getting asked when I visit by various people in my old 
neighborhood what it is.  It only sings in darkness in tree tops and 
I have not been able to see it.  

Does anyone know what it is?

This is the warm temp version.
http://people.mn.mediaone.net/richpeet/sounds/unkbug2.mp3

This is the cool temp version.
http://people.mn.mediaone.net/richpeet/sounds/unkbug.mp3

I hope this plays ok.



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