Subject: Big weird-looking bug
Geographic location of the bug: United States East Tennessee
Time: 02:37 AM EDT
Your letter to the bugman: I thought this to be a female rhinoceros beetle but I’m not very sure.
How you want your letter signed: However you want to sign it
This is indeed a female Eastern Hercules Beetle, and we have examples of dark individuals here and here in our own archives. BugGuide also has images of dark individuals, and according to BugGuide: “Huge size, greenish elytra with variable amounts of dark spots. Some are nearly black.”