Geographic location of the bug: Danbury Ct
Time: 10:23 PM EDT
Your letter to the bugman: What is this large interesting moth?
How you want your letter signed: David
This is a male Polyphemus Moth. The Polyphemus Moth is even more impressive in its defense posture of exposing the large eyespots on its underwings, which might startle a predator into thinking it has disturbed a much larger creature capable of eating the predator.