Mason, Potter & Mud Dauber Wasps

Mason, Potter, & Mud Dauber Wasp Identification and Control

Correct identification is an important first step in pest control.

Wasp on a white background
Vespidae; Sphecidae
How to Identify a Mason, Potter, or Mud Dauber Wasp

These wasps are 3/8 of and inch to 1+ inches long. They have various colorations: black and yellow; black; black with a bluish tinge.

They also have an elongated segment between the middle and rear body segments.

Where Do They Come From

These wasps create mud nests on sides of structures or under windowsills, eaves, etc.

The nests can appear as clay pots, mud patches or mud tubes or pipes.

Need Help Controlling Wasps?
Wasp building a mud nest

Why Are They Significant

Mason, Potter, & Mud Dauber wasp nests pose a slight health risk to humans. They are not aggressive. They may be considered beneficial since they prey on many species of spiders.

Learn more by reading our blog post: Stinging Insect Guide: Bees, Hornets, & Wasps in Utah. 


Vespidae; Sphecidae


Insects, spiders, nectar


Slight health risk

Tips & Tricks

Wasp building a mud nest

What To Do About Wasps

  • Monitor for wasp nests from early summer through fall.
  • Purchase and use a bee veil, suit and gloves.
  • Minimize nesting habitat around property.
  • Install tight-fitting screens in windows.

Click here to learn more about how Thorn can help with wasps. 

Wasp's mud nests

How To Remove Nest

  • Wear protective bee veil, suit and gloves.
  • Early in the morning, remove the nest and place in garbage bag or scrape from side structure.
  • Clean nest area with soap and water or else wasps will build another nest in the same place.

Don’t let wasps take over. Thorn can help.

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How To Control

Pests can be difficult to control, but that’s what we are here for. We create a strategic plan to gain control of your problem and make sure we get results.

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Thorn's Approach

We take a scientific approach to pest control. We start with an inspection and assessment to help us identify the pest, locate where they are, and create a specific plan for your property. Every home and business is different and requires a unique strategy.


Our Approach to Pest Control

Proper pest management starts with a detailed inspection and assessment from an expert pest professional before treatment. Thorn Pest Solutions uses a three-step process rooted in science to eliminate pests with long-term results.

Driven By Science. Lead By Service.

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Assess Situation

First, we identify the root problem(s) with a site assessment. Pests are almost always an indicator of an environmental condition. This will determine the best actions to provide short and your long-term results against pests.

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Execute Action Plan

Next, we develop a plan to fix the problems we discovered. This includes solving current pest issues, eliminating conducive conditions, and monitoring for future pest activity. Good pest management starts with a good plan.

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Track Success

Lastly, we implement the solutions we developed including inspection, monitoring, and preventing future pest infestations. Good pest control requires a good offense and not just defense. Prevention is key.

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