Subject: Unknown “Picturewing Fly”?
Geographic location of the bug: Amherst MA, USA
Time: 01:39 PM EDT
Your letter to the bugman: I photographed this fly in 2004 and have never asked anyone to identify it.
How you want your letter signed: Joseph G. Kunkel
This is a Fruit Fly in the family Tephritidae, and based on this BugGuide image, it is in the genus Eutreta. According to BugGuide, they are “Gall-formers on Asteraceae” and the habitat is “Coastal Dunes, Woodlands.”