For most of us in the eastern U.S., there are four common species of dark blue and black butterflies. Three of those species are swallowtails, but one of them isn’t. At first glance, the red-spotted purple (Limenitis arthemis astyanax) looks similar to the dark blue and black swallowtails. However, if you give it a second … Continue reading Red-spotted Purple – The dark blue and black butterfly that isn’t a swallowtail