Yellow and Black Mud Dauber
Sceliphron caementarium

Yellow and Black Mud Dauber, Sceliphron caementariumA yellow and black mud dauber wasp hunting in my garden for caterpillars with which to stock its larval cells.  This is one of the more common thread-waisted wasps in this area.








Yellow and Black Mud Dauber, Sceliphron caementariumThis view gives a different perspective of the anatomy of the wasp.  Note the  long thin "waist" between the thorax and the abdomen.








Yellow and Black Mud Dauber, Sceliphron caementariumThe mud dauber gets its name from the fact that it builds its "nest", larval cells from mud.  Here we see a wasp putting the outer layer of mud over two cells, which are side by side on the wall.







Yellow and Black Mud Dauber, Sceliphron caementariumUsually the mud dauber builds two to six cells.  Here we see an unusual nest of twelve cells.  On the lowest cell you can see the plug which closed it until the larva emerged as an adult wasp.









[Taxonomy : Classification ]
[Insects ]  [Back Yard Biology ]  [Science Can Be Fun