Widow spider (Latrodectus)
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/92155448@N00">Dave Parker</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/92155448@N00/258176925">Flickr</a>