<em>Battus philenor</em>. Texas Canyon Rest Area, Cochise County, Arizona, USA.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/86548370@N00">Katja Schulz</a> from Washington, D. C., USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/treegrow/36944813196/">Pipevine Swallowtail Caterpillar</a>