Aphididae, on Giant Ragweed, with pollen camo - Uroleucon ambrosiae
Red Oak Prairie, Allamakee County, Iowa, USA August 26, 2020
perhaps Brown Ambrosia Aphid, pale cauda
found while looking for Schinia larvae (did not find) on Giant ragweed, Ambrosia trifida, at the edge of a hill prairie remnant