Black Swallowtail Butterfly September 13, 2016/in Nature Sightings /by Beth Perkins Submitted by Robin Right. https://harvardconservationtrust.org/wp-content/uploads/2016/09/butterfly..jpg 300 400 Beth Perkins https://harvardconservationtrust.org//wp-content/uploads/2016/08/HCT-Color-Logo.png Beth Perkins2016-09-13 16:27:062016-09-13 16:27:06Black Swallowtail Butterfly