Horace's Duskywing, I think... it kept getting chased off the asters by honeybees making good photos tough, but including a bunch even though some are blurry/not great angles.
-feeding on Zinnia flowers.
in Birch Street Community Gardens, on purple flowers at 10 o'clock when looking at the first Zinnias after the initial corn field.
Quick check of BB garden, not much...