<p>This bumblebee is a nest parasite of other bumblebees....mostly B. impatiens.  The parasite kills or disables the host queen and then has the workers from the host bee raise her babies.  Captured by Tim McMahon in Cecil County Maryland
Photograph by Colby Francoeur.
</p>
Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens,  Twin Macro Flash in Styrofoam Cooler,  F5.0,  ISO 100,  Shutter Speed 200, link to a .pdf of our set up is located in our profile
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/54563451@N08">USGS Bee Inventory and Monitoring Lab</a> from Beltsville, Maryland, USA
2014-04-27 19:35
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usgsbiml/14018610106/">Bombus citrinus, Male, Side, Cecil County, MD_2013-11-14-08.52.58 ZS PMax</a>