With flowers of Joe Pye Weeds (Eutrochium spp., below) showing color just before fully opening, I watch neighboring blooms to monitor who goes where. While the majority of bees are attracted to the wide spreading clump of Blunt Mountain mint (Pycnanthemum muticum, below), a number also dine on nearby Vitex and Clethra. Butterflies, mostly swallowtails,…