Also visiting Goldenrod flowers
Three members of the nettle family Urticaceae... Boehmeria cylindrica on the left, Laportea canadensis on the right, Pilea species at the bottom.
Mating. On smooth oxeye.
Eastern purple coneflower.
I believe this is black knot, although it is oozing sap. On wild plum (American plum).
American bellflower. With bonus bug.
This location is has been reported and is being treated be the MN Dept of agriculture.