Aesculus parviflora, streamside.
Nice panicles. Hard to see in the small photo (click on it), but the red-orange anthers on long, stringy filaments give these flowers their magic.
Bumble bees love them.
So did this guy.
The Japanese beetles, Popillia japonica were resting between meals.
The Eastern Tiger Swallowtail, Papilio glaucus, couldn't get enough.