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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Thread-waisted Wasps (Sphecidae) » Sceliphrinae » Mud-dauber Wasps (Sceliphrini) » Black Mud-dauber Wasps (Sceliphron) » Yellow-legged Mud-dauber Wasp (Sceliphron caementarium)
Photo#256676
Wasps Nest - Sceliphron caementarium
Copyright © 2009 Lynette Elliott

Wasps Nest - Sceliphron caementarium
Puyallup, Pierce County, Washington, USA
Size: 6x5x3 cm
this is the side that was stuck to the attic (inside the attic)

Images of this individual: tag all
Wasps Nest - Sceliphron caementarium Wasps Nest - Sceliphron caementarium Wasps Nest - Sceliphron caementarium Wasps Nest - Sceliphron caementarium Wasps Nest - Sceliphron caementarium
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Contributed by Lynette Elliott on 5 March, 2009 - 5:10pm
Last updated 15 March, 2009 - 10:13am

These are photos of Mud Dauber Nests.
These are Thread Waisted Wasp nests, family Sphecidae. Some nests can be roundish mounds, and others are elongated several inches long and called Pipe Organ Mud Dauber nests. These are solitary wasps and not anywhere as aggressive as paper wasps or yellow jackets.
… Bettina Bergh, 5 March, 2009 - 9:02pm login or register to post comments

 
Thanks,
I'm thinking they are black and yellow mud dauber nest. You are right they are not aggressive at all, and I haven't found paper wasps to be very aggressive either. Now yellow jackets...
… Lynette Elliott, 5 March, 2009 - 9:37pm login or register to post comments

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