@alexwild found these ants dragging the sweat bee into its nest in a tree stump. I was able to also grab a couple of images before it disappeared down the hole.
Indiana Dunes Learning Center- locations approximate
Indiana Dunes Learning Center- locations approximate
Dunes Learning Center and trails- locations approximate
Miller's Woods trail- locations approximate
Dunes Learning Center and trails- locations approximate
In one of the logs by the open area just to the right of the path into the woods. Can you narrow this down, @alexwild ?
Sizes of ants vary greatly.
They held their ground the entire time I was shooting them on the milkweed. None left the milkweed and it was evident they had no plans to.
Host: common milkweed