Mud Dauber nests.... packed with spiders

MC Paul Barman

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Years back (2002) I was looking out of a window watching this big spider in his web. Then I noticed that there was this mud dauber flying pretty close to the webbing. I was certain the mud dauber was going to get stuck in the web and become a meal for the spider.
Wrong.

Next thing I know the mud dauber lands on the spiders back, stings him, spiders legs retracted inward and the mud dauber pulled the spider off of the web and flew away.


Pretty bad ass. These guys will pluck spiders out of webs and bring them back to their nests.... lots of them.

All of those little cavities are stuffed with spiders.

MudDauberNest02a.jpg
 
Well thats my meal ruined.
 
Just how many spiders do they need? Are they social wasps?
 
Not only do they take on spiders, but they can also bring down planes.

Involvement in Birgenair Flight 301 accident[edit]

On February 6, 1996, Birgenair Flight 301, a 757 jet flying from Puerto Plata in the Dominican Republic, crashed into the Atlantic Ocean. All 13 crew members and 176 passengers were killed. A key part of the accident was a blocked pitot tube, a component which measures outside air pressure through small tubes on the outside of the aircraft and displays this as the plane's speed. Although the tubes were never recovered from the ocean floor, it was discovered that the plane had been sitting on the tarmac for almost 3 weeks with the pitot tubes not covered as they should have been. Investigators believe a colony of Black and yellow mud daubers got into the tube and built their cylindrical nests inside, causing faulty air speed readings which were a large part of the crash. This species also brought down another plane in Washington during 1982.

http://en.wikipedia.org/wiki/Mud_dauber
 
The percentage of life that is actual hell is extremely discouraging.

To capture a spider, the wasp grabs it and stings it into submission.[citation needed] The venom from the sting does not kill the spider, but paralyzes and preserves it so it can be transported and stored in the nest cell until consumed by the larva. A mud dauber usually lays its egg on the prey item and then seals it into the nest cell with a mud cap.[1] It then builds another cell or nest. Missouri
 
This thread is giving me the willies.
 
Genocide, imo. Those are mass graves.
 
Crack open a Mud Dauber's nest to find a bunch of treats.... brown widows:


DSC_0045-2.jpg
 
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