My photography doesn't allow for these to be keyed out, but based on the host plant (frostweed, Verbesina virginica), range, and descriptions on the Aphids on World Plants website*, the strong likelihood is that these are Uroleucon verbesinae. * http://www.aphidsonworldsplants.info/d_APHIDS_U.htm
My photography doesn't allow for these to be keyed out, but based on the host plant (frostweed, Verbesina virginica), range, and descriptions on the Aphids on World Plants website*, the strong likelihood is that these are Uroleucon verbesinae. * http://www.aphidsonworldsplants.info/d_APHIDS_U.htm