on Betula nigra, prev obs.
The aphids inside don't look like the Hamamelistes spinosus aphids here: https://influentialpoints.com/Gallery/Hamamelistes_spinosus_spiny_witchhazel_gall_aphid.htm
So...... I guess it's a different aphid? I think there may be at least two species of aphids in there, but I can't tell entirely what's going on there.
The plant is common milkweed, and there are ants, but what's the stuff on the leaves? Is it eggs for those orange bugs? Aphids?Something else?
Multicolored aphids and some aphid mummies on common milkweed