Photo 2706420, (c) Katja Schulz, some rights reserved (CC BY)

Attribution © Katja Schulz some rights reserved Uploaded by treegrow Source Flickr Original https://www.flickr.com/photos/treegrow/23311613936/ Associated observations Photos / Sounds What Organ-pipe Mud-dauber Wasp (Trypoxylon politum) Observer treegrow Date August 15, 2015 02:09 PM EDT Place Washington, District of Columbia, United States (Google, OSM) Date Added November 27, 2015 12:01 AM EST Description Trypoxylon politum. Rock Creek Park, Washington, DC, USA Tags LLF 2 IDs Research Grade View Sizes small medium large original