Subject: Streaked Sphinx Moth?
Geographic location of the bug: Sarasota FL
Time: 11:37 AM EDT
Your letter to the bugman: I think this is a Streaked Sphinx Moth.
How you want your letter signed: Steven T.
You are correct that this is a Streaked Sphinx, a species that appears to be more common in Florida in recent years. According to Butterflies and Moths of North America: “Flight: July in Florida” which makes your individual a bit early.