Subject: Many found on goldenrod
Geographic location of the bug: Greenport, LI, NY eastern end of Long Island ny
Time: 07:59 PM EDT
Your letter to the bugman: Photographed these today and cannot identify
How you want your letter signed: Amy
Based on this BugGuide image, these appear to be March Flies in the genus Dilophus. There are numerous images of Dilophus spinipes on goldenrod on BugGuide.
Thank you so much! I truly appreciate your help!